Komatsu 275 a box control units 2.


Description and characteristics of the model range

The model range includes:

  • D-65;
  • D-85;
  • D-155;
  • D-275;
  • D-355;
  • D-375;
  • D-455;
  • D-475;
  • D-575.

Komatsu bulldozers: technical characteristics depend on the selected modification.

D65

The Komatsu D65 bulldozer is designed to perform work on construction sites and in quarries. It is used for leveling and moving various loads, for performing excavation work, cleaning areas and backfilling trenches.

There are several modifications: Komatsu D65EX-16 and Komatsu D65E-12.

Technical indicators and data of the Komatsu D-65 bulldozer:

Full mass15620 kg
13.4 km/h
56 kPa
Largest dump volume5.6 m3
406 l
dimensionsLength - 6600 mm
Width - 3100 mm

Height - 3460 mm

Engine displacement8.3 l
Power unit power139 kW
Piston stroke114 mm
1950 rpm
Rated torque520 Nm
8500 kg
Pressure on the rear cart7000 kg
135 mm
Number of cylinders8
Number of cycles4
Operating temperature-30°…+35°С
TrackFront wheels - 1850 mm
Rear wheels - 1700 mm
External turning radius5800 mm

D85

This bulldozer model is used to move large volumes of various cargo over short distances. The equipment can also be used for the construction of dams and dams, for the formation of embankments.

Characteristics and indicators of Komatsu D85:

Full mass23200 kg
Number of cylinders6
11.04 l
Motor power225 horsepower
2000 rpm
Cylinder diameter125 mm
Piston stroke150 mm
14.3 km/h
Ground clearance415 mm
Wheelbase2840 mm
Dimensions5500*3725*3365 mm
Number of batteries2
Battery capacity170 Ah
480 l
Cooling system volume79 l
Hydraulic system volume90 l
TrackOn the front wheels - 2000 mm
On the rear wheels - 2000 mm
Maximum blade lift1210 mm
540 mm
Track Dimensions560*610*660 mm

D155

The Komatsu D155A bulldozer is a vehicle designed to perform work in quarries and industrial sites. The Komatsu 155 bulldozer is controlled from the driver's cab using special levers. The vehicle is equipped with a SA6D140E-2 diesel engine and a five-speed gearbox with reverse.

Description and technical characteristics of the model:

Total weight38700 kg
Number of cylindrical parts6
Engine power302 horsepower
Crankshaft speed1900 rpm
Cylinder diameter140 mm
Piston stroke165 mm
Maximum transport speed13.9 km/h
Clearance485 mm
Wheelbase3210 mm
DimensionsLength - 8155 mm
Width - 3955 mm

Height - 3500 mm

Number of batteries2
Battery capacity170 Ah
Fuel container500 l
Cooling system volume99 l
Track2100 mm

D275

Komatsu D275 is used for layer-by-layer development of soil and its movement. A four-stroke diesel engine is installed here, manufactured in accordance with the international environmental standard Euro-2. The power unit model is SDA6D140E. The vehicle is also equipped with a TORQFLOW transmission with five gears and reverse.

Technical indicators and model data:

D355

The Komatsu 355 bulldozer belongs to the medium traction category. This modification has a simple design and a reliable, powerful engine. Among the advantages of the Komatsu D355A are:

  • speed of filling trenches;
  • layer-by-layer removal of soil;
  • the presence of a ground leveling function;
  • profiling of embankments;
  • construction of dams and dams.

Technical characteristics and parameters of transport:

D375

The Komatsu D-375 wheeled bulldozer is equipped with a SA6D170E diesel power unit and a TORQFLOW gearbox.

The equipment is designed for loosening soil, leveling the surface, backfilling trenches and removing old road surfaces.

This transport can also be used for mining and building dams.

Characteristics and indicators:

D455, D475 and D575

The Komatsu 455 bulldozer is a crawler tractor with a VTA1710-C800 four-stroke diesel engine. This model is suitable for work on construction and industrial sites. The tractor motor is manufactured in accordance with the international environmental standard Euro-3.

Technical data and characteristics:

Full mass71500 kg
Maximum transport speed14.4 km/h
Specific pressure exerted on the ground96.1 kPa
Largest dump volume6 m3
Fuel tank volume1280 l
dimensionsLength - 11130 mm
Width - 4800 mm

Height - 2135 mm

Engine displacement28 l
Power unit power540 horsepower
Piston stroke145 mm
Maximum engine speed2000 rpm
Rated torque520 Nm
Ground clearance distance540 mm
Diameter of cylindrical elements140 mm
Number of cylinders12
Number of cycles4
TrackOn the front wheels - 2600 mm
On the rear wheels - 2600 mm

The D475 crawler tractor is equipped with a hydraulic power steering and a SAA12V140E-3 diesel power unit, which is made in accordance with the Euro-4 environmental standard.

Parameters and indicators:

Full mass108390 kg
Number of cylinders12
Displacement of the power unit30.48 l
Motor power890 horsepower
Highest crankshaft speed2000 rpm
Cylinder diameter140 mm
Piston stroke165 mm
Highest movement speed14 km/h
Ground clearance655 mm
Wheelbase4524 mm
Dimensions11565*5265*1196 mm
Fuel fluid container1670 l
Cooling system volume210 l
Hydraulic system volume240 l
TrackFront wheels - 2770 mm
Rear wheels - 2770 mm
Maximum blade lift1620 mm
Maximum blade depth1010 mm
Track Dimensions710*810*910 mm

Modification D575 is the largest bulldozer.

Technical data:

Technical specifications Komatsu D275A-5, weight

The running gear of the Komatsu D275A-5 bulldozer has K-shaped carriages. The peculiarity of this form is that they are able to swing on two axes. Vertical movement of the track is now possible by a greater amount. In addition, the manufacturer guarantees constant contact of the road wheels with the caterpillar track.

Unlike the previously produced version of the bulldozer, the track links of the D275A-5 have become larger in size. Thanks to this innovation, the service life of the chassis increases.

The bulldozer weighs 37,680 kg, operating weight - 50,850 kg.

Spare parts for Komatsu D275A-2, A-5, AX bulldozers

Home page / Komatsu spare parts

A full range of optional undercarriage components is always available at your disposal - track belts, chain assemblies, shoes, track and support rollers, idlers and drive sprockets, pins and bushings, lugs.

NameShoe bolt
ManufacturerKOMATSU
ApplicationKomatsu D275A-2
NameShoe nut
ManufacturerKOMATSU
ApplicationKomatsu D275A-2
NameTrack assembly 39L 710 mm
ManufacturerKOMATSU
ApplicationKomatsu D275A-2
NameDouble-sided support roller
ManufacturerKOMATSU
ApplicationKomatsu D275A-2
NameSingle-sided support roller
ManufacturerKOMATSU
ApplicationKomatsu D275A-2
NameSupport roller
ManufacturerKOMATSU
ApplicationKomatsu D275A-2
NameGuide wheel
ManufacturerKOMATSU
ApplicationKomatsu D275A-2
NameSprocket segment
ManufacturerKOMATSU
ApplicationKomatsu D275A-2
NameCrawler chain 39L
ManufacturerKOMATSU
ApplicationKomatsu D275A-2
NameShoe 610mm
ManufacturerKOMATSU
Application"Komatsu D275A-5, AX"
NameShoe 710mm
ManufacturerKOMATSU
Application"Komatsu D275A-5, AX"
NameShoe bolt
ManufacturerKOMATSU
Application"Komatsu D275A-5, AX"
NameSegment Bolt
ManufacturerKOMATSU
Application"Komatsu D275A-5, AX"
NameShoe nut
ManufacturerKOMATSU
Application"Komatsu D275A-5, AX"
NameSegment nut
ManufacturerKOMATSU
Application"Komatsu D275A-5, AX"
NameSegment group
ManufacturerKOMATSU
Application"Komatsu D275A-5, AX"
NameTrack assembly 39 links 610mm
ManufacturerKOMATSU
Application"Komatsu D275A-5, AX"
NameTrack assembly 39 links 710mm
ManufacturerKOMATSU
Application"Komatsu D275A-5, AX"
NameDouble-sided support roller
ManufacturerKOMATSU
Application"Komatsu D275A-5, AX"
NameSingle-sided support roller
ManufacturerKOMATSU
Application"Komatsu D275A-5, AX"
NameSupport roller
ManufacturerKOMATSU
Application"Komatsu D275A-5, AX"
NameGuide wheel
ManufacturerKOMATSU
Application"Komatsu D275A-5, AX"
Name"Crawler chain, 39 links"
ManufacturerKOMATSU
Application"Komatsu D275A-5, AX"

Engine

Traditionally, the Komatsu D275A-5 bulldozer is equipped with an engine produced by the Japanese company. The 4-stroke model SDA6D140E has a power of 306 kW (this value develops at 2,000 rpm). The diesel engine design includes a direct fuel injection system and turbocharging. To minimize harmful effects on the operator, the power unit is attached to the frame using rubber pads.

Photo source: komek.ru

To increase fuel efficiency, the fan speed is controlled automatically. The required value is selected taking into account the degree of heating of the coolant and working fluid of the hydraulic system.

Spare parts for D275A-5

The Komatsu D275A-5 is a heavy duty crawler dozer. It successfully solves all problems even in difficult climatic conditions. The equipment is used to perform work in construction, industry, etc. Using a bulldozer, you can move loads, profile roads, fill trenches, and level surfaces.

The advantages of the model include:

  • high reliability;
  • safe and ergonomic design;
  • optimal performance

The bulldozer is equipped with a comfortable cabin with panoramic glazing and a convenient operator position. The chair is equipped with air suspension and an impressive range of adjustments. A ripper is installed on the machine as standard. You can use other attachments as well.

The group provides the supply of components and spare parts for modern bulldozers. You can buy everything you need for maintenance and repair of equipment, as well as its quick and inexpensive modernization.

Our catalog contains spare parts for bulldozers such as:

  • ripper crowns;
  • dump knives;
  • ripper strut protectors;
  • shoes;
  • assembled tracks;
  • support rollers, etc.

The catalog is supplemented with images and descriptions of components. This allows you to make a choice in the shortest possible time. Our experienced specialists will also help you order components for the D275a-5 and spare parts for equipment. They will take into account all your wishes and requests, tasks to be solved and financial capabilities.

Working for many years, we have created the most comfortable conditions for selecting, ordering and delivering any components.

You will definitely appreciate:

  1. Individual approach of specialists. Each client receives attentive attention and enjoys service of a high level of quality. In their work, specialists are guided by the best business standards.
  2. Availability of products. Any components for D275a-5, spare parts for equipment are supplied by us at the best price. This is due to the fact that we directly cooperate with manufacturers. In addition, our company is ready to offer favorable discounts to all clients interested in long-term and mutually beneficial cooperation.
  3. Efficiency of deliveries. Our company has warehouses in Moscow, St. Petersburg, Omsk, Ulan-Ude, Magadan, Novosibirsk and Khabarovsk. This allows us to significantly reduce the time of delivery of spare parts even to remote settlements of the country.

To buy spare parts or get additional information about them, clarify delivery conditions, call us or use the feedback form.

Cabin and controls

The Komatsu D275A-5 bulldozer is equipped with an electronic control system. The left joystick is responsible for movement operations, gear shifting is performed using buttons. The second joystick is used to control the blade, which works in conjunction with the proportional pressure control valve.

To help the driver, an automatic downshift function has been added: a special controller records the engine speed, the selected gear and the speed of movement, thanks to which the optimal speed mode is automatically determined.

A Torqflow hydromechanical transmission manufactured by Komatsu is installed. The maximum forward speed is 11.2 km/h.

Photo source: komek.ru

The Komatsu D275A-5 cab has a fully adjustable seat that has an elastic suspension. To improve visibility of the rear of the machine, the operator's seat can be rotated 15 degrees, and for convenience, both the gearbox and seat controls simultaneously move. The cabin itself has a suspension with damping elements, which are designed to effectively absorb shock loads and vibration due to the increased length of their working stroke.

Upon additional order, the manufacturer offers a system for creating excess pressure inside the cabin.

In addition to spherical and hemispherical blades, it is possible to install a double-skew blade. In comparison with a working body with a single skew, the angle of inclination can be twice as large, and the optimal value of this value can be selected right on the fly.

Komatsu D275A-5: technical specifications, review, description

Photo source: komek.ru Photo Komatsu D275A-5

Technical specifications Komatsu D275A-5, weight

Power (gross)306 kW/410 hp
Operating weight50,850 kg
Blade volumehemispherical: 13.7 cubic meters
spherical: 16.6 cubic meters

The running gear of the Komatsu D275A-5 bulldozer has K-shaped carriages. The peculiarity of this form is that they are able to swing on two axes. Vertical movement of the track is now possible by a greater amount. In addition, the manufacturer guarantees constant contact of the road wheels with the caterpillar track.

Unlike the previously produced version of the bulldozer, the track links of the D275A-5 have become larger in size. Thanks to this innovation, the service life of the chassis increases.

The weight of the bulldozer is 37,680 kg, operating weight is 50,850 kg.

Engine

Traditionally, the Komatsu D275A-5 bulldozer is equipped with an engine produced by the Japanese company.

The 4-stroke model SDA6D140E has a power of 306 kW (this value develops at 2,000 rpm). The diesel engine design includes a direct fuel injection system and turbocharging.

To minimize harmful effects on the operator, the power unit is attached to the frame using rubber pads.

Photo source: komek.ruThe engine of our own production is installed on Komatsu D275A-5 bulldozers

note

To increase fuel efficiency, the fan speed is controlled automatically. The required value is selected taking into account the degree of heating of the coolant and working fluid of the hydraulic system.

Number of cylinders6
Diameter140 mm
Piston stroke165 mm
Working volume15.24 l
Fuel tank volume840 l

Cabin and controls

The Komatsu D275A-5 bulldozer is equipped with an electronic control system. The left joystick is responsible for movement operations, gear shifting is performed using buttons. The second joystick is used to control the blade, which works in conjunction with the proportional pressure control valve.

To help the driver, an automatic downshift function has been added: a special controller records the engine speed, the selected gear and the speed of movement, thanks to which the optimal speed mode is automatically determined.

A Torqflow hydromechanical transmission manufactured by Komatsu is installed. The maximum forward speed is 11.2 km/h.

Photo source: komek.ru Photo Komatsu D275A-5

The Komatsu D275A-5 cab has a fully adjustable seat that has an elastic suspension.

To improve visibility of the rear of the machine, the operator's seat can be rotated 15 degrees, and for convenience, both the gearbox and seat controls simultaneously move.

The cabin itself has a suspension with damping elements, which are designed to effectively absorb shock loads and vibration due to the increased length of their working stroke.

Important

Upon additional order, the manufacturer offers a system for creating excess pressure inside the cabin.

In addition to spherical and hemispherical blades, it is possible to install a double-skew blade. In comparison with a working body with a single skew, the angle of inclination can be twice as large, and the optimal value of this value can be selected right on the fly.

Dimensions Komatsu D275A-5

Blade width4 300 mm
Ground clearance507 mm
Length9 290 mm
Height3,965 mm

Maintenance

To make regular maintenance of the Komatsu D275A-5 bulldozer faster and more convenient, the main service points have been grouped.

We are talking, in particular, about the power transmission oil filter, hydraulic tank and dipsticks designed to check the oil level - they are all located on the right side of the housing.

Maintenance is also made easier by the fact that a modular principle is used in the design of power transmission components. The engine compartment has become larger.

Disc brakes are maintenance-free. The hydraulic system pipelines are reliably protected from damage.

During operation of the komatsu d275a 5 bulldozer, data on engine speed and gear engaged is displayed on the monitor. In the event of emergency situations, the operator’s attention will be drawn to this using an alarm lamp and an audible signal.

Analogs

Analogues of this machine include the following models: Caterpillar D9R, Powerplus D355В-II, Caterpillar D9T WH, Komatsu D275A-2, Caterpillar D10T2, Caterpillar D9T, Komatsu WD600-6, Caterpillar 834H.

Video

Video – from MrDozer1967 channel

Source: https://exkavator.ru/excapedia/technic/komatsu_d_275a-5

Maintenance

To make regular maintenance of the Komatsu D275A-5 bulldozer faster and more convenient, the main service points have been grouped. We are talking, in particular, about the power transmission oil filter, hydraulic tank and dipsticks designed to check the oil level - they are all located on the right side of the housing. Maintenance is also made easier by the fact that a modular principle is used in the design of power transmission components. The engine compartment has become larger.

The Japanese are famous for their technology. Komatsu D275A-5 cars are made by the Japanese. This is an example of reliability and functionality - bulldozers. Machines from the manufacturer work for many years without complaints. What can a car do? Carry out construction and quarry work. More precisely: digging, loosening, leveling the soil, much more.

Maintenance of Komatsu D275A bulldozers

Home \ EQUIPMENT REPAIR \ Repair of road construction equipment \ Maintenance of road construction equipment \ Maintenance of Komatsu bulldozers \ Maintenance of Komatsu D275A bulldozers

The Komatsu D275A-5 bulldozer model (Komatsu, Komatsu) is the technical excellence of Komatsu, as it has a huge number of advantages. First of all, we should note the excellent diesel engine - SDA6D140E with built-in turbocharging, direct injection and charge air cooling systems. Bulldozers Komatsu D275A-5 (Komatsu, Komatsu) are very common and popular. Used in many industries. It is worth noting that Komatsu D275A-5 bulldozers (Komatsu, Komatsu), like many other Komatsu products, are the standard of quality with proper operation.

Theodolite company provides a range of professional repair and maintenance services for Komatsu D275A-5 bulldozers (Komatsu, Komatsu) throughout the Russian Federation.

The professionalism of our craftsmen allows us to provide all possible types of services; we suggest you familiarize yourself with a short list:

— overhaul of bulldozers

— maintenance of bulldozers

— maintenance of individual components and assemblies of the bulldozer

— diesel engine maintenance

— diagnostics and fault determination.

Maintenance and repair

All our employees are qualified and have sufficient experience. Repair of your equipment can be carried out either on site or at our base located in the city of Yekaterinburg, which is equipped with the necessary installations. In addition, to repair Komatsu D275A-5 bulldozers (Komatsu, Komatsu), we use only high-quality spare parts. After servicing, your equipment will work much more productively and, accordingly, bring more profit. Also, you can consult on all your questions with our specialists.

You can contact us at any time to ask our qualified specialists any questions you may have or to place an order.

Address: Russian Federation, Ekaterinburg, st. Bluchera 28, off. 304

Phones: 8(800) 555-24-19 (calls within Russia are free);

+7 (343) 237-25-77; +7 (343) 383-13-85; +7 (343) 228-43-03

E-Mail: tеоdо [email protected] оm

You may also be interested in other sections of our website: Technical characteristics of Komatsu D275A bulldozers Spare parts for Komatsu D275A bulldozers

  • Technical characteristics of Komatsu D275A bulldozers

Modifications

Kamatsu bulldozers are needed to solve problems in a variety of climatic and terrain conditions. The machines can be wheeled or crawler-mounted; there are also swamp vehicles and amphibious bulldozers. They can work in difficult conditions.

For the first time, a Japanese company produced a tracked vehicle in the late 40s of the 20th century.

In the 21st century, these are cars with a power range from 85 to 899 hp. With. There are models of the largest bulldozers from Kamatsu; there is no competition in size in the whole world. The Japanese bypassed everyone.

Here are the modifications of the bulldozer: D275A-2, D275A-5.

The distinctive feature of the model is its maximum versatility of use and comfort (we are talking about the driver). Plus, an economical and environmentally friendly engine is an important point. These qualities will distinguish the original car from other modifications.

Cabin

The bulldozer is equipped with an electronic control system. Movement and related operations are provided by the left joystick. And actions with the gearbox are performed using buttons. 2 joystick is needed to regulate the blade, which operates with a valve of commensurate pressure control.

The machine is equipped with the ability to automatically shift to a downshift. The controller is directed to important indicators:

  • engine rotation;
  • broadcast;
  • moving speed.

The appropriate speed mode is automatically selected.

The Komatsu D275A-5 has an adjustable seat with elastic suspension. The driver can rotate the seat by 15 degrees, which significantly improves visibility. The gearbox controls move synchronously with the seat.

The interior of the vehicle is equipped with a suspension with damping components, they properly absorb shock loads and vibration due to their increased stroke length.

You can equip the cabin with all sorts of additions. Japanese specialists provide a system for creating excess pressure inside the cabin. Additionally, you can mount a 2nd skew blade. In this case, the angle of inclination can be 2 times greater.

When the key switch is activated in the on mode, the letter “P” appears on the special monitor display. In the lower right corner of the Komatsu D275A-5 panel, a pre-start check alert and a safety reminder alert are displayed.

If any unexpected situations are detected, the hazard warning lamp lights up and an audible warning signal is activated.

During the operation of the car, in the right corner of the monitor you can see information about the engine speed and the engaged reverse or forward gear. If unexpected situations occur, the user code and hour meter data light up.

When a significant user code lights up on the screen, the hazard warning light comes on and operates in flashing mode, and there is also a sound that indicates a possible breakdown. This allows you to avoid serious damage.

Specifications

The Japanese equip their cars with the best spare parts. Therefore, the engine was made by Japanese craftsmen. They created a 6-cylinder four-stroke diesel engine. SDA6D140E includes the following:

  • turbocharging;
  • charge air cooling;
  • direct fuel injection.

It is mounted on the Komatsu D275A-5 frame, using rubber cushions that reduce the impact of external nuances. The construction of the motor emits a low level of toxins that meets European quality requirements.

The car is equipped with a hydraulically driven fan, the frequency of its operation is automatically adjusted. Coolant data counts.

Car engine description:

  • working volume – 15.24 l;
  • maximum power – 410 hp. With.;
  • piston diameter – 14 cm.

The car has a cylindrical frame of support rollers and a suspension that comes in the swinging variety. K-shaped carriages, located in the undercarriage of the car, maintain continuous contact between the track belt and the track roller. The vertical movement of the tracks increases and the slippage of the shoes decreases. The component reduces stress on the chassis and vibration directed at the body when moving over undulating terrain.

The Japanese equipped the Komatsu D275A-5 with volumetric spherical blades, which are made of heavy-duty steel. Single-shank rippers can be adjusted in terms of plowing depth. You can adjust the loosening angle in 3 ranges. Additionally, you can mount a 2nd skew blade.

The dimensions of the device are impressive, they arouse some interest:

  • length – 929 cm;
  • width – 430 cm;
  • height – 398.5 cm;
  • track base – 348 cm;
  • minimum rotation radius – 390 cm;
  • ground clearance - 50.7 cm;
  • front track – 226 cm;
  • rear track – 226 cm;
  • caterpillar tire – 61, 71, 76 cm.

Weight is 37,680 tons. Operating weight is 50,850 tons. The car can reach speeds of up to 14.9 km/h. These indicators indicate that the car is capable of much.

The grouped service points attract attention. So, for greater comfort, the power transmission oil filter, dipsticks for determining the amount of oil in the power transmission components, and the hydraulic tank are located on the right side of the car.

Price

The price of Komatsu D275A-5 varies between 10-15 million rubles. It is significantly influenced by the degree of novelty, equipment and year of manufacture.

Bulldozer KOMATSU D275A-5

Bulldozer engine KOMATSU D275A-5

This economical engine, combined with the large weight of the machine itself, makes the D275A-5 bulldozer a high-quality crawler-mounted tool for loosening hard rocks and. The design of this engine provides lower emissions than required by environmental standards. The engine of the KOMATSU D275A-5 bulldozer is equipped with direct fuel injection, turbocharging and charge air cooling systems, which saves fuel as much as possible.

Large capacity dump

The dozer blade capacity of 13.7 m 3 (hemispherical) and 16.6 m 3 (spherical) gives the KOMATSU D275A-5 excellent performance. The frontal plate and side cheeks of the blade are made of high-strength steel to increase the strength of the structure.

The use of a double skew blade (optional) increases productivity with less operator effort:

1. The optimal cutting angle of the blade blade for all types of materials and slopes of any steepness can be selected on the fly, which increases the blade loading and machine productivity.

2. Operations including digging, bulldozing (load moving) and unloading (leveling) are easy and smooth, reducing operator fatigue.

3. The skew angle of the blade and the speed of its installation are two times higher than the same parameters of a blade with a single skew.

Comfortable working conditions for the operator

1. Newly designed pressurized cabin

(installed upon request). — The newly designed cab and large tinted glass windows provide excellent visibility to the front, sides and rear. — Using air filters and creating excess pressure inside the cabin

2. New cabin with damping element

and undercarriage with K-shaped carriages increase operator comfort while the machine is moving. The cab suspension of the KOMATSU D275A-5 bulldozer uses damping elements of a new design that effectively absorb shock loads and vibration due to the significant length of their working stroke. Cab suspension dampers and a new K-carriage chassis reduce shock and vibration when driving over uneven terrain that is not possible with a conventional cab suspension system. The soft damper spring isolates the cab from the machine frame, absorbing vibration and providing smooth machine operation and operator comfort.

3. New chair with elastic suspension.

The KOMATSU D275A-5 bulldozer uses a new elastic suspension seat design. The guides for the longitudinal movement of the chair and the spring of the modified design have increased strength and rigidity, which reduces the free movement of the components of the chair. The new seat provides excellent support for the back and arms, creating comfortable conditions for the operator while the machine is moving. The ability to move the chair longitudinally allows you to adjust its position depending on the height of the operator.

Standard equipment of the KOMATSU D275A-5 bulldozer

1. Alternator, 75 A/24 V 2. Reverse signal 3. Batteries - 2 x 12 V, 170 Ah 4. Blower fan 5. Decelerator pedal 6. Dry type air cleaner with dust extractor and clogging indicator 7. Anti-wear Final drive housing guard 8. Hinged front guard 9. Hinged under guard with front tow hook 10. Hydraulic track tensioners 11. Lighting system (including two headlights, two taillights) 12. Muffler with rain cover 13. System wrist force control 14. Cooling reservoir 15. ROPS mounting posts 16. Multi-section drive wheels 17. Seven track rollers 18. 610 mm (24 in) wide single grouser rock shoes 19. Starter, 11 kW /24 V 20. Suspension seat upholstered in synthetic leather 21. TORQFLOW hydromechanical transmission 22. Torque converter 23. Road wheel protection 24. Horn 25. Wet side clutches/brakes

KOMATSU D275A-5 bulldozer equipment supplied upon request

1. Air conditioner with heater and defroster 2. Alternator, 90 A/24 V 3. Car stereo 4. Counterweight 5. Double tilt dozer blade 6. Fire extinguisher 7. Hitch 8. Hydraulic system for ripper control 9. Light for Ripper Light 10. Rearview Mirror 11. Dashboard Cover 12. Perforated Side Covers 13. Perforated Single Radiator Guard 14. Push Plate 15. Seat Belt 16. Shoes 17. Hemispherical Dozer Blade Cover for Material Retention 18. Spherical Dozer Blade Cover for Material Retention material retention 19. Heavy-duty hemispherical blade 20. Heavy-duty universal blade 21. Shoe slip control system

Technical characteristics of the Komatsu D275A-5 bulldozer
Bulldozer weight, kg37680
Operating weight, kg50850
Minimum turning radius, mm3900
Komatsu D275A-5 bulldozer engine
ModelKomatsu SDA6D140E
Typefour-stroke, liquid-cooled, direct fuel injection
Suction typewith turbocharging and charge air cooling
Flywheel power at 2000 rpm, hp410
Number of cylinders6
Piston diameter, mm140
Piston stroke, mm165
Working volume, l15.24
Refill tanks for Komatsu D275A-5 bulldozer
Fuel tank, l840
Engine cooling system, l130
Engine lubrication system, l52
Hydromechanical transmission, l90
Final drive housing (each side), l40
Hydraulic system of Komatsu D275A-5 bulldozer
Maximum flow, l/min230
Safety valve setting, MPa27.5
Hydraulic cylinderspiston, double acting
Capacity of the hydraulic control system for bulldozer equipment
Control of a hemispherical bulldozer blade with variable skew angle, l130
Control of a spherical bulldozer blade with variable skew angle, l130
Ripping equipment control (additional volume)
Single-tooth ripper control, l38
Multi-shank ripper control, l38
Chassis of the Komatsu D275A-5 bulldozer
Suspensionswing type, with balance beam and king pin
Track roller framecylindrical shape, made of high-strength steel
Rollers and idlerslubricated track rollers
Number of shoes (each side)39
Single lug height, mm88
Shoe width (standard), mm610
Support area, cm 242456
Number of road wheels (each side)7
Number of support rollers (each side)2
Specific ground pressure, KPa (kgf/cm 2)118 (1.20)

Those times in which the bulldozer operator climbed out of the unit’s cab covered in dust, his hands covered in calluses and oil, have long since sunk into oblivion. Modern bulldozer technology is more of a powerful car than a workhorse, striking at first glance with its comfort, operating parameters and productivity. One of the best representatives of the class - the 37.68 ton Komatsu 275 bulldozer (with an operating weight of 50.85 tons) is worthy of this comparison.

Device

The high-quality design of the vehicle allows it to be called highly technological and functional. The powerful vehicle is equipped with a reliable supporting frame and a crawler carriage with a kingpin. This has a positive effect on overall reliability. The model of this plan is attractive due to the presence of a K-shaped carriage, which provides certain advantages:

  • increased control over the combination of road wheels and caterpillar tracks (this increases the service life of the chassis);
  • carriages swing on two axes (this reduces shock loads on parts of the chassis, which increases durability);
  • comfortable working conditions for the driver due to soft shocks and reduced vibration when moving over difficult terrain.

The advantages of the chassis are properly assessed. Low drive placement and long caterpillar tracks contributed to optimal stability and maneuverability of the vehicle.

At the same time, it is worth inserting a few words about the availability of regular maintenance. Now this can be done quickly and conveniently, since the main service points are in a grouped position.

Pros and cons of the D275A-5

A reliable bulldozer from the manufacturer has a lot of advantages:

  • high stability due to the low center of gravity;
  • high protection of hydraulic turbo lines;
  • the presence of a K-shaped chassis;
  • engine equipped with all necessary accessories;
  • accessible maintenance;
  • adjusted track link design;
  • single-shank ripper;
  • smooth turn.

No disadvantages of this unit have yet been identified. This doesn't mean they don't exist. Experienced drivers note the following disadvantages:

  • The design of the ripper is not entirely accurate; it does not bend the fang under itself enough;
  • low quality rubber goods;
  • illogical headlight position;
  • weak grille, lower armor, sloth covers.

These disadvantages do not have exact confirmation, but they are talked about.

Differences between the Komatsu D275A-5 model

This crawler dozer is designed for maximum versatility and operator comfort. Economical and environmentally friendly engine, the ability to install rippers, spacious steel dumps of spherical and hemispherical shapes. All this qualitatively distinguishes this model from others. Also worth noting is the functional and spacious operator’s cabin.

Features of special equipment

The Komatsu D275A-5D bulldozer features a low center of gravity thanks to the model's exceptionally low profile and increased stability. The main features are:

  • turbocharged engine and electronically controlled valve;
  • original track link design;
  • low location of the drive on the chassis;
  • a unique K-shaped carriage system for better grip on the ground;
  • the presence of fourteen road wheels (seven on each side);
  • availability of a spacious and multifunctional operator cabin.

Model performance indicators

This machine is equipped with a powerful and economical engine, which, together with the large weight of the bulldozer, makes it a high-quality device for loosening hard rocks and performing any bulldozing work.

The engine design reduces exhaust emissions.

This is very important in the context of modern standards and regulations regarding environmental pollution. You can obtain all certificates and permits for the equipment that confirm this information. The modern Caterpillar D10T bulldozer also meets all standards.

Bulldozer Komatsu D275A-5D technical characteristics:

  • dump volume 13.7 cubic meters. m.;
  • pressure exerted on the ground is 1.2 kg/cc;
  • Max. blade lift height 1450 mm;
  • maximum depth of the blade into the ground is 700 mm;
  • adjustment of skew angles in the range of 1000 mm;
  • traction force 800 kN.

Prices

A bulldozer has always been expensive. This even applies to used models. For example, models from 2005-2006 cost 10,000,000-12,000,000 rubles, 2007-2008 – 13,000,0000-15,500,000 rubles, 2010-2011 – 17,500,000-22,000,000 rubles. The difference in price categories is explained by different equipment, levels of wear and operating hours.

The option of renting a car is also being considered. The rental price is 3,000 rubles per hour, which means that an 8-hour shift will cost 24,000 rubles. The rental price depends on the region and the condition of the car.

Conclusion

Komatsu D275A-5 cars are modern models. They are distinguished by sufficient equipment, eye-catching appearance, operational efficiency and a wide range of applications. With standard equipment, the car has everything you need for comfort:

  • driver's seat on suspension, trimmed with eco leather;
  • lighting system with headlights;
  • hydraulic track tensioners;
  • automatic engine warm-up system;
  • color display;
  • rear view mirrors and much more.

The Japanese showed how equipment should work, and this is a kind of challenge to other manufacturers. There are no complaints about the bulldozer, even maintenance is not a hassle. There is also no need to get spare parts. They are in the public domain and can be found.

Video

Bulldozer KOMATSU D275A-5

Bulldozer engine KOMATSU D275A-5

This economical engine, combined with the large weight of the machine itself, makes the D275A-5 bulldozer a high-quality crawler-mounted tool for loosening hard rock and performing bulldozing work. The design of this engine provides lower emissions than required by environmental standards. The engine of the KOMATSU D275A-5 bulldozer is equipped with direct fuel injection, turbocharging and charge air cooling systems, which saves fuel as much as possible.

Large capacity dump

The dozer blade capacity of 13.7 m 3 (hemispherical) and 16.6 m 3 (spherical) gives the KOMATSU D275A-5 excellent performance. The frontal plate and side cheeks of the blade are made of high-strength steel to increase the strength of the structure.

The use of a double skew blade (optional) increases productivity with less operator effort:

1. The optimal cutting angle of the blade blade for all types of materials and slopes of any steepness can be selected on the fly, which increases the blade loading and machine productivity.

2. Operations including digging, bulldozing (load moving) and unloading (leveling) are easy and smooth, reducing operator fatigue.

3. The skew angle of the blade and the speed of its installation are two times higher than the same parameters of a blade with a single skew.

Comfortable working conditions for the operator

1. Newly designed pressurized cabin

(installed upon request). — The newly designed cab and large tinted glass windows provide excellent visibility to the front, sides and rear. — Using air filters and creating excess pressure inside the cabin

2. New cabin with damping element

and undercarriage with K-shaped carriages increase operator comfort while the machine is moving. The cab suspension of the KOMATSU D275A-5 bulldozer uses damping elements of a new design that effectively absorb shock loads and vibration due to the significant length of their working stroke. Cab suspension dampers and a new K-carriage chassis reduce shock and vibration when driving over uneven terrain that is not possible with a conventional cab suspension system. The soft damper spring isolates the cab from the machine frame, absorbing vibration and providing smooth machine operation and operator comfort.

3. New chair with elastic suspension.

The KOMATSU D275A-5 bulldozer uses a new elastic suspension seat design. The guides for the longitudinal movement of the chair and the spring of the modified design have increased strength and rigidity, which reduces the free movement of the components of the chair. The new seat provides excellent support for the back and arms, creating comfortable conditions for the operator while the machine is moving. The ability to move the chair longitudinally allows you to adjust its position depending on the height of the operator.

Standard equipment of the KOMATSU D275A-5 bulldozer

1. Alternator, 75 A/24 V 2. Reverse signal 3. Batteries - 2 x 12 V, 170 Ah 4. Blower fan 5. Decelerator pedal 6. Dry type air cleaner with dust extractor and clogging indicator 7. Anti-wear Final drive housing guard 8. Hinged front guard 9. Hinged under guard with front tow hook 10. Hydraulic track tensioners 11. Lighting system (including two headlights, two taillights) 12. Muffler with rain cover 13. System wrist force control 14. Cooling reservoir 15. ROPS mounting posts 16. Multi-section drive wheels 17. Seven track rollers 18. 610 mm (24 in) wide single grouser rock shoes 19. Starter, 11 kW /24 V 20. Suspension seat upholstered in synthetic leather 21. TORQFLOW hydromechanical transmission 22. Torque converter 23. Road wheel protection 24. Horn 25. Wet side clutches/brakes

KOMATSU D275A-5 bulldozer equipment supplied upon request

1. Air conditioner with heater and defroster 2. Alternator, 90 A/24 V 3. Car stereo 4. Counterweight 5. Double tilt dozer blade 6. Fire extinguisher 7. Hitch 8. Hydraulic system for ripper control 9. Light for Ripper Light 10. Rearview Mirror 11. Dashboard Cover 12. Perforated Side Covers 13. Perforated Single Radiator Guard 14. Push Plate 15. Seat Belt 16. Shoes 17. Hemispherical Dozer Blade Cover for Material Retention 18. Spherical Dozer Blade Cover for Material Retention material retention 19. Heavy-duty hemispherical blade 20. Heavy-duty universal blade 21. Shoe slip control system

Technical characteristics of the Komatsu D275A-5 bulldozer
Bulldozer weight, kg37680
Operating weight, kg50850
Minimum turning radius, mm3900
Komatsu D275A-5 bulldozer engine
ModelKomatsu SDA6D140E
Typefour-stroke, liquid-cooled, direct fuel injection
Suction typewith turbocharging and charge air cooling
Flywheel power at 2000 rpm, hp410
Number of cylinders6
Piston diameter, mm140
Piston stroke, mm165
Working volume, l15.24
Refill tanks for Komatsu D275A-5 bulldozer
Fuel tank, l840
Engine cooling system, l130
Engine lubrication system, l52
Hydromechanical transmission, l90
Final drive housing (each side), l40
Hydraulic system of Komatsu D275A-5 bulldozer
Maximum flow, l/min230
Safety valve setting, MPa27.5
Hydraulic cylinderspiston, double acting
Capacity of the hydraulic control system for bulldozer equipment
Control of a hemispherical bulldozer blade with variable skew angle, l130
Control of a spherical bulldozer blade with variable skew angle, l130
Ripping equipment control (additional volume)
Single-tooth ripper control, l38
Multi-shank ripper control, l38
Chassis of the Komatsu D275A-5 bulldozer
Suspensionswing type, with balance beam and king pin
Track roller framecylindrical shape, made of high-strength steel
Rollers and idlerslubricated track rollers
Number of shoes (each side)39
Single lug height, mm88
Shoe width (standard), mm610
Support area, cm 242456
Number of road wheels (each side)7
Number of support rollers (each side)2
Specific ground pressure, KPa (kgf/cm 2)118 (1.20)

Those times in which the bulldozer operator climbed out of the unit’s cab covered in dust, his hands covered in calluses and oil, have long since sunk into oblivion. Modern bulldozer technology is more of a powerful car than a workhorse, striking at first glance with its comfort, operating parameters and productivity. One of the best representatives of the class - the 37.68 ton Komatsu 275 bulldozer (with an operating weight of 50.85 tons) is worthy of this comparison.

Komatsu D275A-5

  • Description
  • Characteristics
  • Engine
  • Cabin
  • Equipment
  • Excellent stability and low center of gravity due to exceptionally low machine profile
  • Turbocharged and cooled engine
  • Electronically controlled modulating valve
  • New track link design
  • New spacious cabin
  • Low drive undercarriage with long tracks and seven road wheels per side
  • K-carriage system improves traction
  • Rippers (installed upon request)
Weight (includes hemispherical or straight variable blade, ROPS with canopy, cab, operator, base machine standard equipment, rated lubricant capacity, coolant, and full fuel tank)50850 kg
Overall length9290 mm
Overall height3965 mm
Ground pressure1.2 kgf/sq.cm
Overall width4300 mm
Ground clearance507 mm
Weight (including hydraulic unit)7507 kg
Blade typeSemi-U blade with one-way adjustable skew
Length4300 mm
Height1960 mm
Max. blade lift height 1450 mm
Max. the depth of the dump into the ground 640 mm
Max. skew angle adjustment range 1000 mm
SAE13.7 cu. m

Komatsu's Torqflow hydromechanical transmission consists of a three-element, liquid-cooled, single-phase torque converter and a planetary gearbox with a multi-plate clutch. The gearbox is hydraulically driven and pressure lubricated to ensure optimal heat transfer. The shift lock lever and neutral lock switch prevent accidental machine movement.

BroadcastForward speed, km/hReverse speed, km/h
1st gear3,84,9
2nd gear6,78,7
3rd gear11,214,9

Final drives

Komatsu D275A-5 double reduction final drives with spur and planetary gears increase traction force and reduce mechanical stress on gear teeth, extending the life of the final drives. Multi-section drive wheels are bolted on, making them easy to replace in the field.

Motion control system

The PCCS control system lever (joystick) provides easy control of the machine. When you move the lever forward, the machine moves forward, and when you move it backward, the machine shifts into reverse. To turn left, simply tilt the joystick to the left.

PCCS lever, joystick controlled wet multi-plate spring loaded side clutches with hydraulic release. Wet, hydraulically released, multi-disc, pedal/lever service brakes require no maintenance.

The side clutches and brakes are linked together to provide smooth and precise turning.

Minimum turning radius – 3.9 m

Chassis

suspension , with balancer beam and king pin. Track roller frame - cylindrical, made of high-strength steel. Rollers and idlers - lubricated track rollers.

Undercarriage with K-shaped carriages Lubricated road wheels are elastically mounted on the crawler undercarriage using several cross-shaped carriages of a unique design, the oscillatory movements of which are absorbed by rubber cushions.

Rock shoes

Track belts with lubricated joints. Unique dust seals prevent foreign abrasive materials from entering the pin-to-bushing gap, extending track life. Track tension is easily adjusted using a grease gun.

Number of shoes (each side) – 39

lug height – 88 mm Shoe width (standard) – 610 mm Support area – 42,456 cm2 Specific ground pressure (dozer blade) 118 kPa (1.20 kgf/cm2) Number of road wheels (on each side) – 7

Number of support rollers (on each side) – 2

Rock shoesBulldozer weight adjustmentSupport areaSpecific pressure
710 mm570 kg49,416 cm2102 kPa (1.04 kgf/cm2)
760 mm850 kg52,896 cm296 kPa (0.98 kgf/cm2)

Filling volumes d275a-5

Fuel tank – 840 l Engine cooling system – 130 l Engine lubrication system – 52.0 l Hydromechanical transmission, final drive and final clutches – 90 l

Final drive housing (each side) – 40 l

HYDRAULIC SYSTEM

Closed-center, load-sensing system designed to provide precise, fast control and efficient parallel operation.

Komatsu D275A5 performance is at a high level

Komatsu D275A 5 is designed to perform various types of construction and quarry work, including digging, loosening, moving loads (bulldozing), leveling soil, etc. The most important and large elements of the machine (body, frame, hydraulic system, etc.) are developed and constructed at the Komatsu plant, which ensures maximum power of the unit with minimal labor and energy costs.

We invite you to consider the technical characteristics of the Komatsu 275. It is equipped with a 4-stroke 6-cylinder liquid-cooled engine with a capacity of 410 hp. (306 kW at rotation speeds up to 2000 min-1) and Torqflow hydromechanical transmission. The presence of a turbocharging system, as well as direct fuel injection, allows you to minimize fuel consumption, making the machine an economical and ergonomic work tool. The rubber cushions on which the engine is mounted absorb noise. The engine is cooled by a hydraulically driven fan. The system automatically selects the required rotation speed of the fan blades depending on the degree of heating of the working and coolant fluids.

One of the key features of the Komatsu 275 is the presence of an electronic powertrain control system (EPCS). SUSP records all driver actions, their frequency and duration, as well as indicators of control sensors about the state of the system and, in accordance with the information received, regulates the power of the impulse transmitted to the gearbox, onboard clutches and brakes.

When the weight of the load increases and the speed decreases at the same time, the SUSP automatically switches to a lower gear. This greatly simplifies the process of controlling a bulldozer, significantly extends its service life, and also makes all movements of the machine smoother. In addition, the machine’s gearbox has a lever that blocks gear shifting, as well as a neutral gear lock switch, which prevents accidental movement of the bulldozer.

The standard equipment of the bulldozer includes a switch for automatic speed shifting schemes. There are 2 such schemes in the Komatsu 275 bulldozer for heavier loads (first gear - forward travel, second gear - reverse travel) and for lighter loads (second gear - forward travel, second gear - reverse travel). The presence of this switch is especially useful when performing similar actions that involve returning to the starting point.

Equipment of the Komatsu D275A5 bulldozer

The D275A 5 model is equipped with an oscillating type suspension and a cylindrical frame of road wheels. On each side of the track belt there are 39 rock shoes, 7 support rollers and 2 support rollers. Due to the K-shaped carriages located in the bulldozer undercarriage, constant contact between the support roller and the track belt is ensured, slipping of the shoes is minimized, the vertical movement of the tracks is increased, the load on the undercarriage and vibration from impacts when moving the machine over a bumpy surface are reduced.

The Komatsu 275 bulldozer is equipped with spacious hemispherical and spherical blades made of heavy-duty steel (13.7 m3 and 16.6 m3, respectively) and a single-tooth ripper. Komatsu rippers have the ability to adjust the soil loosening angle and plowing depth in 3 ranges. If necessary, it is possible to install an additional double-skew blade.

The Komatsu D275 successfully combines comfort with high productivity. The bulldozer has a spacious cabin with a wide viewing angle, a vertically adjustable seat and an armrest that can be adjusted in height. Thanks to the damping element, there is no noise in the cabin and it does not shake on bumps. To expand the view when moving backwards, the chair has the function of turning 150 to the right. The Komatsu 275 bulldozer is controlled using the PCCS system. The control unit is built directly into the driver's seat, and the human-machine interface allows the driver to act with extreme precision without expending much effort or straining.

The price of Komatsu D275A 5 varies from 10,000,000 rubles. — up to 15,000,000 rub. depending on the year of manufacture, degree of novelty and configuration.

Spare parts for Komatsu D275A bulldozers

Home \ SPARE PARTS \ Komatsu spare parts \ Spare parts for Komatsu bulldozers \ Spare parts for Komatsu D275A bulldozers

Today, the KOMATSU D275A line of bulldozers (Komatsu, Komatsu) are extremely popular. Used in many industries around the world. The main advantage of the KOMATSU D275A bulldozers (Komatsu, Komatsu) is considered to be a 4-stroke, 6-cylinder diesel engine - Komatsu SDA6D140E, which has high technical characteristics. KOMATSU D275A bulldozers (Komatsu, Komatsu) are well suited for our difficult conditions, since they are designed for difficult operating conditions. The car owner should carefully monitor the technical condition of the equipment.

Our company Theodolite has been supplying high quality spare parts for bulldozers KOMATSU D275A (Komatsu, Komatsu) for a long period of time. We offer our customers the widest range of KOMATSU spare parts to order or from stock.

Below is a short list of the products we offer:

— Piston kits (pistons, liners, valves, oil coolers)

— Hydraulic cylinders for bulldozers (pin removal, ripper tilt, blade skew, blade lift, counterweight and many others)

— All possible repair kits

— Spare parts for the bulldozer chassis (booms, buckets, etc.)

— High pressure hoses (HHP)

— Consumables (filters, crowns, cutting elements for working equipment, oils and much more)

How to buy spare parts

We supply spare parts for bulldozers KOMATSU D275A (Komatsu, Komatsu) not only of original quality, but also analogue ones at competitive prices. All orders are completed on time, since we have been cooperating with regular suppliers for a long time. Our company pays great attention to the quality of the products supplied, so we carefully check the goods that we offer, which is why you purchase only high-quality goods from us.

You can contact us at any time to ask our qualified specialists any questions you may have or to place an order.

Address: Russian Federation, Ekaterinburg, st. Bluchera 28, off. 304

Phones: 8(800) 555-24-19 (calls within Russia are free);

+7 (343) 237-25-77; +7 (343) 383-13-85; +7 (343) 228-43-03

E-Mail: tеоdо [email protected] оm

You may also be interested in other sections of our website: Maintenance of KOMATSU D275A bulldozers Technical characteristics of KOMATSU D275A bulldozers

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