Komatsu HD785-1 Dump Truck

Dimensions

Dump Ground Clearance 3 ft (1 m)
Dump Height 30 ft (9 m)
Ground Clearance 3 ft (1 m)
Overall Height 16 ft (5 m)
Overall Length 33 ft (10 m)
Overall Width 17 ft (5 m)
Wheelbase 16 ft (5 m)

Dump

Dump Angle 64 degrees
Load Capacity – heaped 68 cu yd (52 cu m)

Engine

Aspiration turbocharged
Displacement 2,307 cu in (37,800 cu cm)
Engine Model KT-2300
Gross Power 900 hp (671 kw)
Net Power 877 hp (654 kw)
Rated Engine Speed 121.6 rpm
Torque Measured @ turbocharged rpm

Operating Specifications

Alternator Supplied Amperage Komatsu TORQFLOW planetary gear
Cooling System Fluid Capacity 64 gal (240 l)
Diff and Final Drive Fluid Capacity 59 gal (224 l)
Engine Oil Capacity 40 gal (150 l)
Fuel Capacity 328 gal (1,240 l)
Hydraulic System Fluid Capacity 122 gal (460 l)
Tire Size 24.00-49-42PR

Service Refill Capacities

Brake/Hoist Hydraulic Tank 171,961 gal (650,871 l)

Transmission

Max Speed 44 mph (70 kph)
Number of Gears – Forward 6
Number of Gears – Reverse 1
Transmission Type Komatsu TORQFLOW planetary gear

Weights

Empty Weight 113,538 lbs (51,500 kg)
Loaded Weight 285,620 lbs (129,555 kg)
Weight Distribution Front – empty 48.2%
Weight Distribution Front – loaded 32.3%
Weight Distribution Rear – empty 51.8%
Weight Distribution Rear – loaded 67.7%
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