Komatsu HD785-5 Off-Highway Truck Specs

Category: Off-Highway Trucks ➔
Manufacturer: Komatsu ➔
Model: HD785-5 ➔

Komatsu HD785-5 is an off-highway haul truck designed for large-scale mining and quarry operations. It is used to transport high volumes of overburden, ore, and aggregate across rough terrain and haul roads. The HD785-5 features a rigid frame, high payload capacity, and diesel powertrain built for continuous duty cycles in demanding site conditions. Typical applications include surface mining, earthmoving, and bulk material handling. As part of Komatsu's off-highway truck lineup, the HD785-5 is configured for durability, service access, and efficient material transport in heavy production environments.

Dimensions

Komatsu HD785-5 Off-Highway Truck Dimensions specifications
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)
Overall Height	17.25 ft (5.26 m)
Overall Length	34.83 ft (10.62 m)
Overall Width	18.58 ft (5.66 m)

Dump

Komatsu HD785-5 Off-Highway Truck Dump specifications
Load Capacity - Heaped	78.7 cu yd
Load Capacity - Struck	50.5 cu yd
Lower Time	13 sec
Raise Time	12 sec
Rated Payload	171,960.56 lbs (78,000.09 kg)

Engine

Komatsu HD785-5 Off-Highway Truck Engine specifications
Displacement	1,861.00 cu in (30,496.39 cu cm)
Engine Make	2238
Engine Model	SAA12V140ZE-2
Gross Power	1,042.00 hp (777.03 kw)
Number Of Cylinders	12

Operational

Komatsu HD785-5 Off-Highway Truck Operational specifications
Cooling System Fluid Capacity	60.00 gal (227.10 l)
Engine Oil Capacity	37.00 gal (140.05 l)
Fuel Capacity	330.00 gal (1,249.05 l)

Transmission

Komatsu HD785-5 Off-Highway Truck Transmission specifications
Max Speed	40.20 mph (64.70 kph)
Number Of Gears - Forward	7
Number Of Gears - Reverse	1
Transmission Type	Komatsu 7-speed, electronically-controlled, automatic powershift transmission

Weights

Komatsu HD785-5 Off-Highway Truck Weights specifications
Empty Weight	155,403.00 lbs (70,489.70 kg)
Loaded Weight	367,000.00 lbs (166,468.61 kg)
Weight Distribution Front - Empty	48 %
Weight Distribution Front - Loaded	33 %
Weight Distribution Rear - Empty	52 %
Weight Distribution Rear - Loaded	67 %

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