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Current number of specifications

Komatsu HD1500-7 Rock Truck

Selected Dimensions

A. Overall Length37.3 ft in11370 mm
C. Overall Height19.2 ft in5850 mm
D. Wheelbase17.7 ft in5400 mm


Capacity Struck71 yd354.3 m3
Heaped (2:1, SAE)102 yd378 m3
Payload144.1 metric tons 158.9 u.s. tons
Material400 Brinell hardness high tensile strength steel (front, sides, and bottom)
Material thickness-Bottom0.75 in19 mm
Material thickness-Front0.47 in12 mm
Material thickness-Sides0.35 in9 mm
Target area7670 mm x 5705 mm 25'2"x 18'9"
HeatingHeating by exhaust gas
StructureFlat floor configuration
Dumping angle45 degrees
Height at full dump37.6 ft in11460.5 mm
Weight42108.3 lb19100 kg
Lubrication SystemMethod- Gear pump, force-lubrication ; Filter-Full-flow type
Number of Cylinders16
TypeWater-cooled, 4-cycle
Air cleanerDry type with double elements and precleaners, with dust indicator
GovernorElectronic control
Power Measured @1900 rpm
Displacement3066 cu in50.2 L
AspirationTurbo-charged, after-cooled
Max Torque697 kg•m 5,042 lb ft
Bore and Stroke159 mm x 159 mm 6.26" x 6.26"
Horse Power: SAE J19951500 hp1118.5 kw
Horse Power: ISO 9249 / SAE J13491399 hp1043.2 kw
Fan drive typeElectronic controlled hydraulic
Fuel systemDirect injection
Fuel Tank147.9 gal560 L
Cooling system37.2 gal141 L
Transmission10.7 gal40.5 L
Final Drive16.8 gal63.5 L
Hydraulic system62.9 gal238 L
Engine Oil13.5 gal51 L
Differentials20.6 gal78 L
Max Speed36 mph57.9 km/h
Torque converter3-elements, 1-stage, 2-phase
TransmissionFull-automatic, planetary shaft type
Speed range7 speeds forward and 1 reverse
Lockup clutchWet, multiple-disc clutch
ForwardTorque converter drive 1st and 2nd gear with direct drive lock-up in 1st through 7th
ReverseTorque converter drive
Shift controlElectronic shift control with automatic clutch modulation in all gears
Gross Weight550004.8 lb249478 kg
Empty Weight232146.7 lb105300 kg
Weight Distribution Front - empty48.6 %
Weight Distribution Rear - empty51.4 %
Weight Distribution Front - loaded32.8 %
Weight Distribution Rear - loaded67.2 %
Standard tire33.00 R51
Hydraulic System
Hoist cylinderTwin, 3-stage telescopic type
Relief pressure19.0 MPa 193.4 kg/cm 2 2,750 psi
Hoist timeRaise-15 sec; Lower-15 sec
Final DrivePlanetary gear
Service brakeFront- Fully hydraulic control, oil-cooled multiple-disc type; Rear- Fully hydraulic control, oil-cooled multiple-disc type
Parking brakeSpring applied, oil-released, 3 caliper dry disc mounted on input yoke to differential
RetarderOil-cooled, multiple-disc front and rear brakes act as retarder.
Secondary brakeManual - push button operated. Automatically applied prior to hydraulic system pressure dropping below established level.
Brake surface59148 cm 2 24,668 in2
Turning Radius40 ft in12200 mm
Overall Length37.3 ft in11370 mm
Overall Height19.2 ft in5850 mm
Wheelbase17.7 ft in5400 mm
Width Over Tires-Front19.4 ft in5915 mm
Width Over Tires-Rear19.6 ft in5985 mm