Komatsu 730E-8 Rock Truck

SKU: 730E-8 Category: ,
Weights
Empty Weight

323998 lb

Gross Weight

724000.3 lb

Weight

13589.3 lb

Engine & Fuel System
Engine Make

2238

Engine Model

SSA16 V159E-2

Fuel Tank

831.1 gal

Fuel Type

diesel

Horse Power: Sae J1995

1492 hp

Number Of Cylinders

16

Power Measured @

1900 rpm

Cooling System

116.5 gal

Displacement

3051.2 cu in

Drive System
Emergency Brakes

Automatically applied prior to hydraulic system pressure dropping below level required to meet secondary stopping requirements.

Parking Brake Type

Spring-applied, hydraulically released, with speed application protection.​

Service Brake Type

all-hydraulic actuated

​Wheel Brake Locks

Switch-activated​

Hoist And Steering

Dual, in-line, high pressure

Operating Specs
Operating Cycle

4-cycle

Hydraulic System
Hydraulic System

210.1 gal

Pumps

Two pumps, single package, end of alternator

Filtration

In-line replaceable elements

Dimensions, Wheels & Tires
Standard Tire

​37.00 R57

Wheelbase

191.61 ft in

Width Over Tires-Front

22.31 ft in

Width Over Tires-Rear

23.46 ft in

Motorised Wheels

GEB35 Traction Motors

Turning Radius

446.2 ft in

Overall Length

449.48 ft in

Overall Height

223.43 ft in

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.

Battery & Electrical System
Alternator

24 volt, 250 am

​Electric Dynamic Retarder (Max.)

2387kW Continuously rated high-density blown grids w/retard at engine idle and reverse propulsion.​

Transmission
Motor Gear Box

10.1 gal

Maximum Speed (Km/H)

​64.5

Technical Specs
Ratio

​30.8:1

Control

AC Torque Control System

Lighting

24 volt

Cranking Motors

Two/24 volt

Capacity - Struck

77 yd3

Heaped (2:1, Sae)

111 yd3

Payload

399997.9 lb

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

Crankcase

59 gal

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)

89 ft in

Reservoir

135 gal

Suction

Single, full flow, 100 mesh