HORSEPOWER Gross: 337 kW 452 HP @ 2000 rpm Net: 335 kW 449 HP @ 2000 rpm OPERATING WEIGHT 50850 kg 112,100 lb CRAWLER DOZER Printed in Japan 200801 IP.AD (10) Photo may include optional equipment. may Materials and specifications are subject to change without notice. is a trademark of Komatsu Ltd. Japan.

CRAWLER DOZER D275AX-5 D275A-5R CRAWLER DOZER HORSEPOWER Gross: 337 kW 452 HP @ 2000 rpm Net: 335 kW 449 HP @ 2000 rpm SAA6D140E-5 turbocharged after-cooled diesel engine provides an output of 335 kW 449 HP Komatsu-integrated design for the best value, reliability, and versatility. Hydraulics, power train, frame, and all other major components are engineered by Komatsu. You get a machine whose components are designed to work together for higher production, greater reliability, and more versatility. with excellent productivity. See page 6. Preventative maintenance ● Centralized service station...

CRAWLER DOZER PALM COMMAND CONTROL SYSTEM (PCCS) Power Train Electronic Control System Smooth and soft operation Komatsu’s ergonomically designed control system “PCCS” creates an operating environment with D275A-5R utilizes a newly designed power train electronic control system. The controller registers the amount of operator “complete operator control” . control (movements of lever and operation of switches) along with machine condition signals from each sensor, to calculate Human-machine Interface operation and productivity of new D275A-5R is greatly improved through these new features. accurately...

CRAWLER DOZER PRODUCTIVITY FEATURES Large blade Capacities of 13.7 m3 17.9 yd3 (Semi-U dozer) , 16.6 m3 21.7 yd3 (U dozer) and 14.6 m3 19.1 yd3 (SIGMADOZER) yield outstanding production. High-tensile-strength steel has been incorporated into the front and sides of the blade for increased durability. Dual tilt dozer (option) K-Bogie system The dual tilt dozer increases productivity while reducing operator effort. New K-Bogie undercarriage system retains prior advantages, ● Optimum blade cutting angle for all types of materials and grades can be selected on-the-go for increased load and production....

CRAWLER DOZER WORKING ENVIRONMENT Operator Comfort Preventative Maintenance Preventative maintenance is the only way to ensure long service life from your equipment. That’s why Komatsu designed the D275A-5R provides a quiet, comfortable environment where Comfortable ride with new cab damper mounting and K-Bogie undercarriage the operator can concentrate on the work at hand. D275A-5R’s cab mount uses a new cab damper which Centralized service station Operator comfort is essential for productive work. The provides excellent shock and vibration absorption capacity with its long stroke. Cab damper...

RELIABILITY FEATURES Newly added main fuel filter of 2µ and water separator The hydraulic tank is equipped with a high-filtration breather protect the engine against dirt and water in the fuel. with pressure valve to prevent dust from entering. STEERING SYSTEM Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Komatsu SAA6D140E-5 Type. . . . . . . . . . . . . . . . . . . . . 4-cycle, water-cooled, direct injection Aspiration . . . . . . . . . . . . . . . . . . Turbocharged, air-to-air aftercooled Number of cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

CRAWLER DOZER STANDARD EQUIPMENT SEMI-U DOZER WITH GIANT RIPPER A B C D E F G H I J Alternator 75 ampere/24V Backup alarm Batteries 170 Ah/2 x 12V Blower fan Decelerator pedal Dry-type air cleaner with dust evacuator and dust indicator ● Electric priming pump ● Final drive case wear guard ● Hinged front mask ● Hinged underguard with front pull hook ● Hydraulic track adjusters ● Lighting system (including four front and two rear lights) ● Muffler with rain cap ● Palm lever steering control ● Perforated side covers ● Radiator reserve tank ● ROPS brackets ● Segmented sprockets ● Seven-roller track...

CRAWLER DOZER STANDARD EQUIPMENT SEMI-U DOZER WITH GIANT RIPPER A B C D E F G H I J Alternator 75 ampere/24V Backup alarm Batteries 170 Ah/2 x 12V Blower fan Decelerator pedal Dry-type air cleaner with dust evacuator and dust indicator ● Electric priming pump ● Final drive case wear guard ● Hinged front mask ● Hinged underguard with front pull hook ● Hydraulic track adjusters ● Lighting system (including four front and two rear lights) ● Muffler with rain cap ● Palm lever steering control ● Perforated side covers ● Radiator reserve tank ● ROPS brackets ● Segmented sprockets ● Seven-roller track...