Overview
The Komatsu HD785-5 Rock Truck is a articulated dump truck listed in the Heavy Equipment Hub equipment database with structured specifications for comparison, research, and machine selection. Key specification points include engine power of 1,042 hp, travel speed of 40.2 mph and fuel capacity of 330.0 gal. This model can be reviewed for equipment comparison, jobsite planning, fleet research, and specification-based machine selection. Use the full specifications table to compare the Komatsu HD785-5 Rock Truck against similar articulated dump truck models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Gross Power
1,042
hp
Rated Payload
171,960.56
lb
Overall Length
34.83
ft
Overall Width
18.58
ft
Full Specifications
30 specs
Dimensions
Dump Ground Clearance
2.55 ft / 0.78 m
Dump Height
33.41 ft / 10.18 m
Ground Clearance
2.56 ft / 0.78 m
Load Capacity - Heaped
79 lb / 36 kg
Load Capacity - Struck
51 lb / 23 kg
Overall Height
17.25 ft / 5.26 m
Overall Length
34.83 ft / 10.62 m
Overall Width
18.58 ft / 5.66 m
Rated Payload
171,961 lb / 78,000 kg
Engine
Cooling System Fluid Capacity
60 gal / 227.1 L
Displacement
1,861 cu in / 30.5 L
Empty Weight
155,403 lb / 70,490 kg
Engine Make
2238
Engine Model
SAA12V140ZE-2
Engine Oil Capacity
37 gal / 140.1 L
Fuel Capacity
330 gal / 1,249.2 L
Gross Power
1,042 hp / 777.0 kW
Load Capacity - Heaped
44.10 yd³ / 33.72 m³
Loaded Weight
367,000 lb / 166,468 kg
Max Speed
40.20 mph / 64.7 km/h
Number Of Gears - Forward
7
Number Of Gears - Reverse
1
Number of Cylinders
12
Transmission Type
Komatsu 7-speed, electronically-controlled, automatic powershift transmission
Weight Distribution Front - Empty
48 lb / 22 kg
Weight Distribution Front - Loaded
33 lb / 15 kg
Weight Distribution Rear - Empty
52 lb / 24 kg
Weight Distribution Rear - Loaded
67 lb / 30 kg
Hydraulics
Lower Time
13 sec
Raise Time
12 sec
Related Machines
Frequently Asked Questions
How powerful is the Komatsu HD785-5 Rock Truck engine? +
The Komatsu HD785-5 Rock Truck produces 1,042 hp (777.0 kW) of engine power. This output is typical for its weight class and designed to handle demanding Articulated Dump Truck work cycles efficiently.
How does the Komatsu HD785-5 Rock Truck compare to similar Articulated Dump Truck models? +
You can compare the Komatsu HD785-5 Rock Truck side by side with any other model using the Heavy Equipment Hub compare tool. Key comparison points include engine power, operating weight, digging depth, hydraulic flow, and overall dimensions.