Komatsu 730E-8 Rock Truck
Dimensions
Dimensions
Overall Length
449.48ft in
Overall Height
223.43ft in
Wheelbase
191.61ft in
Turning Radius
446.2ft in
Width Over Tires-Front
22.31ft in
Width Over Tires-Rear
23.46ft in
Specifications
Electric Drive
Ratio
30.8:1
Alternator
GTA - 49
Control
AC Torque Control System
Motorised Wheels
GEB35 Traction Motors
Maximum Speed (Km/H)
64.5
Electrical System
Alternator
24 volt, 250 am
Lighting
24 volt
Cranking Motors
Two/24 volt
Suspension System
Front
312
Rear
279
Body
Capacity Struck
77yd3
Heaped (2:1, Sae)
111yd3
Payload
399997.9lb
Structure
Flat floor configuration
Weight
62102.1lb
Canopy Sheet
6 mm 0.24\'\' 690 MPa 100,000 psi tensile strength steel
Front Sheet
10 mm 0.39\'\' 1379 MPa 200,000 psi tensile strength steel
Side Sheet
8 mm 0.31\'\' 1379 MPa 200,000 psi tensile strength steel
Floor Sheet
16 mm 0.63\'\' Outer 19 mm 0.75\'\' Center 1379 MPa 200,000 psi tensile strength steel
Engine
Number Of Cylinders
16
Engine Make
2238
Engine Model
SSA16V159E-2
Power Measured @
1900rpm
Displacement
3051.2cu in
Fuel Type
Diesel
Weight
13589.3lb
Horse Power: Sae J1995
1492hp
Horse Power: Iso 9249 / Sae J1349
1405hp
Operating Cycle
4-cycle
Driveline
Service Brake Type
all-hydraulic actuated
Parking Brake Type
Spring-applied, hydraulically released, with speed application protection.
Front
Wheel speed disc. Three calipers on a 1213 mm / 47.75\" O.D. disc
Rear
Dual disc armature speed. Two 635 mm / 25\" O.D. discs per side. One caliper per disc.
Emergency Brakes
Automatically applied prior to hydraulic system pressure dropping below level required to meet secondary stopping requirements.
Wheel Brake Locks
Switch-activated
Electric Dynamic Retarder (Max.)
2387kW Continuously rated high-density blown grids w/retard at engine idle and reverse propulsion.
Capacities
Fuel Tank
831.1gal
Cooling System
116.5gal
Hydraulic System
210.1gal
Crankcase
59gal
Motor Gear Box
10.1gal
Weights
Gross Weight
724000.3lb
Empty Weight
323998lb
Weight Distribution Front - Empty
50%
Weight Distribution Rear - Empty
50%
Weight Distribution Front - Loaded
34%
Weight Distribution Rear - Loaded
66%
Tires
Standard Tire
37.00 R57
Hydraulic System
Hoist Cylinder
Two 3-stage dual-acting outbound cylinders and internal cushion valve, over-centre damping
Relief Pressure
Hoist-17237 kPa 2,500 psi, Steering and brake-27580 kPa 4,000 psi
Hoist Time
Power-up loaded: 19 sec; Power-down: 10.5sec; Float-down empty: 12 sec
Turning Circle Diameter (Sae)
89ft in
Reservoir
135gal
Filtration
In-line replaceable elements
Suction
Single, full flow, 100 mesh
Hoist And Steering
Dual, in-line, high pressure
Pumps
.Two pumps, single package, end of alternator
