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Current number of specifications

Komatsu 830E-1AC Rock Truck

Selected Dimensions

A. Overall Length47.2 ft in14400 mm
C. Overall Height22.6 ft in6880 mm
D. Wheelbase20.8 ft in6350 mm


Electric Drive
AlternatorG.E.GTA - 49
ControlAC Torque Control System
Motorised WheelsGEB25
Maximum speed (km/h)​64
Electrical System
Alternator24 volt, 140 amp
Lighting24 volt
Cranking motorsTwo/24 volt
Suspension System
Capacity Struck153 yd3117 m3
Heaped (2:1, SAE)192.3 yd3147 m3
StructureFlat floor configuration
Weight60999.7 lb27669 kg
Canopy sheet5 mm 0.19'' 690 mPa 100,000 psi
Front sheet12 mm 0.47'' 1379 mPa 200,000 psi tensile strength steel
Side sheet8 mm 0.31'' 1379 mPa 200,000 psi tensile strength steel
Floor sheet19 mm 0.75'' 1379 mPa 200,000 psi tensile strength steel (two-piece)
Payload488650.2 lb221648 kg
Number of Cylinders16
Power Measured @1900 rpm
Displacement3661.4 cu in60 L
Fuel TypeDiesel
Weight21182 lb9608 kg
Horse Power: SAE J19952501 hp1865 kw
Horse Power: ISO 9249 / SAE J13492361.5 hp1761 kw
Operating cycle4-cycle
Service Brake Typeall-hydraulic actuated
Parking Brake TypeSpring-applied, hydraulically released, with speed application protection.​
FrontWheel speed disc. Three calipers on a 1213 mm / 47.75" O.D. disc
RearDual disc armature speed. Two 635 mm / 25" O.D. discs per side. One caliper per disc.
Emergency brakesAutomatically applied prior to hydraulic system pressure dropping below level required to meet secondary stopping requirements.
​Wheel brake locksSwitch-activated​
​Electric dynamic retarder (max.)2983kW Continuously rated high-density blown grids w/retard at engine idle and reverse propulsion.​
Fuel Tank831.1 gal3146 L
Cooling system116.5 gal441 L
Hydraulic system210 gal795 L
Crankcase58.9 gal223 L
Motor gear box10 gal38 L
Gross Weight850649.2 lb385848 kg
Empty Weight361999 lb164200 kg
Weight Distribution Front - empty50 %
Weight Distribution Rear - empty50 %
Weight Distribution Front - loaded33 %
Weight Distribution Rear - loaded67 %
Standard tire40.00R57
Hydraulic System
Hoist cylinderTwo 3-stage dual-acting outbound cylinders and internal cushion valve, over-centre damping
Relief pressureHoist-17240 kPa 2,500 psi, Steering and brake-27580 kPa 4,000 psi
Hoist timePower-up loaded: 21 sec; Power-down: 16 sec; Float-down empty: 17 sec
Turning circle diameter (SAE)93 ft in28.3 m
Reservoir238 gal900.9 L
FiltrationIn-line replaceable elements
SuctionSingle, full flow, 100 mesh
Hoist and steeringDual, in-line, high pressure
PumpsTandem gear-type pump
Turning Radius46.6 ft in14200 mm
Overall Length47.2 ft in14400 mm
Overall Height22.6 ft in6880 mm
Wheelbase20.8 ft in6350 mm
Width Over Tires-Front22.5 ft in6860 mm
Width Over Tires-Rear23.9 ft in7290 mm