Overview
The Komatsu 730E-8 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 fuel capacity of 831.1 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 730E-8 Rock Truck against similar articulated dump truck models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Overall Length
449.48
in
Full Specifications
43 specs
Dimensions
Capacity Struck
77
Cranking Motors
24
Front
312
Heaped (2:1, Sae)
111
Maximum Speed (Km/H)
64.50 mph / 103.8 km/h
Motorised Wheels
35
Overall Height
223.43 in / 5,675 mm
Overall Length
449.48 in / 11,417 mm
Ratio
30.80
Rear
279
Weight
62,102 lb / 28,169 kg
Wheelbase
191.61 ft / 58.40 m
Width Over Tires-Front
22.31 ft / 6.80 m
Width Over Tires-Rear
23.46 ft / 7.15 m
Engine
Displacement
3,051 cu in / 50.0 L
Empty Weight
323,998 lb / 146,963 kg
Engine Make
2238
Engine Model
SSA16V159E-2
Front
Wheel speed disc. Three calipers on a 1213 mm / 47.75\" O.D. disc
Fuel Tank
831.10 gal / 3,146.1 L
Horse Power: Iso 9249 / Sae J1349
1,405
Horse Power: Sae J1995
1,492
Lighting
24
Number of Cylinders
16
Operating Cycle
4
Payload
399,998 lb / 181,436 kg
Power Measured @
1,900 rpm
Rear
Dual disc armature speed. Two 635 mm / 25\" O.D. discs per side. One caliper per disc.
Turning Radius
446.20 ft / 136.00 m
Weight
13,589 lb / 6,164 kg
Weight Distribution Front - Empty
50 lb / 23 kg
Weight Distribution Front - Loaded
34 lb / 15 kg
Weight Distribution Rear - Empty
50 lb / 23 kg
Weight Distribution Rear - Loaded
66 lb / 30 kg
Hydraulics
Gross Weight
724,000 lb / 328,401 kg
Hoist Cylinder
3
Hoist Time
19
Motor Gear Box
10.10
Reservoir
135 gal / 511.0 L
Suction
100
Turning Circle Diameter (Sae)
89 in / 2,261 mm
Other
Cooling System
116.50 gal / 441.0 L
Crankcase
59 gal / 223.3 L
Related Machines
Frequently Asked Questions
How does the Komatsu 730E-8 Rock Truck compare to similar Articulated Dump Truck models? +
You can compare the Komatsu 730E-8 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.