BLADE CAPACITY
8.0– 22.5 m
3
10.5– 29.4 cu.yd
OPERATING WEIGHT
42900– 45700 kg
94,580– 100,750 lb
WHEEL DOZER
Photo may include optional equipment.
SPECIFICATIONS
DIMENSIONS
ENGINE
Model ...................................... Komatsu SAA6D170E-3
Type........................................ Water-cooled, 4-cycle
Aspiration................................ Turbocharged, aftercooled
No.of cylinders ........................ 6
Bore x stroke........................... 170mm x 170mm 6.69" x 6.69"
Piston displacement................ 23.15 ltr. 1,413 cu.in
Performance:
Flywheel horsepower.......... 362 kW 485 HP (SAE J1349)
362 kW 492 PS (DIN 6270)
Rated RPM ......................... 2,000 RPM
Fuel system ............................ Direct injection
Governor................................. Electronic, all-speed control
TRANSMISSION
Torque converter:
Type.................................... 3-element, single-stage,
2-phase
Transmission:
Type.................................... Full-powershift, planetary
gear type
Travel speed:km/h MPH
Measured with 35/65-33-24PR tires
*1st **2nd **3rd **4th
Forward 6.5 4.0 11.8 7.3 20.8 12.9 36.2 22.5
Reverse 7.2 4.5 13.0 8.1 23.0 14.3 40.0 24.9
* Torque converter drive
** Torque converter lockup drive
AXLES & FINAL DRIVES
Drive system ........................... Four-wheel drive
Front ....................................... Fixed, full-floating
Rear ........................................ Center-pin-support, full-
floating 26° total oscillation
Reduction gear ....................... Spiral bevel gear
Differential gear ...................... Straight bevel gear
Final reduction gear ................ Planetary gear, single
reduction, oil bath
BRAKES
Service brakes ........................ 4-wheel, separate front-rear
wheel, hydraulically actuated,
wet disc
Parking brake..........................
Dry-disc type, hydraulic released,
spring applied on front axle
input shaft
Secondary brake..................... Uses parking brake
STEERING SYSTEM
Type........................................ Articulated type, full-
hydraulic power steering
Steering angle......................... 40° each direction
Minimum turning radius at the
center of outside tire ............... 6,980 mm 22'11"
HYDRAULIC SYSTEM
Steering system:
Hydraulic pump ........................Gear pump
Relief valve setting...................210kg/cm
2
3,000PSI
Hydraulic cylinders:
Type .......................................Double-acting, piston type
No. of cylinders.......................2
Bore x stroke......................140 mm x 495 mm
5.5" x 19.5"
Dozer control:
Hydraulic pump ........................Gear pump
Relief valve setting...................210 kg/cm
2
3,000 PSI
Hydraulic cylinders:
Type .......................................Double-acting, piston type
No. of cylinders-bore x stroke:
Lift cylinder.........................1-160 mm x 1,080 mm
6.3" x 42.5"
Tilt and pitch cylinder .........2-180 mm x 236.5 mm
7.1'' x 9.3''
Control valve ............................Spool type
Control positions:
Blade lift control......................Raise, hold, lower and float
Blade tilt and pitch control ......Tilt-left, hold and tilt-right,
pitch forward and back
ROPS & CAB
Structure complies with ISO 3471 and SAE J1040c ROPS
(Roll-Over Protective Structure) standards, as well as ISO
3449 FOPS (Falling Object Protective Structure) standards.
The cab is mounted on viscous mounts and well insulated.
SERVICE REFILL CAPACITIES
Cooling system...................................... 160 ltr. 42.3 U.S.gal
Fuel tank................................................ 670 ltr. 177 U.S.gal
Engine ................................................... 47 ltr. 12.4 U.S.gal
Hydraulic system................................... 215 ltr. 56.8 U.S.gal
Axle (each front and rear)...................... 124 ltr. 32.8 U.S.gal
Torque converter and transmission....... 110 ltr. 29.1 U.S.gal
This specification sheet may contain attachments and optional equipment that are not available in your area. Please consult your local Komatsu
distributor for those items you may require. Materials and specifications are subject to change without notice.
Form No. HESS5981 Printed in Japan 200306 IP.AD (15)
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