Komatsu 730E-8 Rock Truck

SKU: 730E-8 Category:
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

Ratio

​30.8:1

Control

AC Torque Control System

Motorised Wheels

GEB35 Traction Motors

Maximum Speed (Km/H)

​64.5

Alternator

24 volt, 250 am

Lighting

24 volt

Cranking Motors

Two/24 volt

Capacity - Struck

77yd3

Heaped (2:1, Sae)

111yd3

Payload

399997.9lb

Structure

Flat floor configuration

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

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

Operating Cycle

4-cycle

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.​

Fuel Tank

831.1gal

Cooling System

116.5gal

Hydraulic System

210.1gal

Crankcase

59gal

Motor Gear Box

10.1gal

Gross Weight

724000.3lb

Empty Weight

323998lb

Standard Tire

​37.00 R57

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