Komatsu 980E-4 Rock Truck
Dimensions
Dimensions
Overall Length
45.61ft in
Overall Height
26.25ft in
Wheelbase
2.19ft in
Turning Radius
42.33ft in
Width Over Tires-Front
26.19ft in
Width Over Tires-Rear
29.79ft in
Specifications
Electric Drive
Ratio
35.02:1
Alternator
GTA -39
Control
AC Torque Control System
Motorised Wheels
GDY108-C Induction Traction Motors
Maximum Speed (Km/H)
61
Dual Fan Main Blower
340 m3/min 12,000 cfm
Electrical System
Alternator
24 volt, 250 amp
Lighting
24 volt
Cranking Motors
Two/24 volt
Suspension System
Front
303 mm 11.92\"
Rear
239 mm 9.40\"
Body
Capacity Struck
240.7yd3
Heaped (2:1, Sae)
327yd3
Payload
814407.4lb
Structure
Flat floor configuration
Weight
92001.2lb
Canopy Sheet
06mm 0.24\" 690 Mpa 1,00,000 psi tensile strength steel
Front Sheet
10 mm 0.39\" Outer, 12mm 0.47\" Center, 1379 mPa 200,000 psi tensile strength steel
Side Sheet
10 mm 0.39\" 1379 Mpa 2,00,000 psi tensile strength steel
Floor Sheet
16 mm 0.63\" Outer, 19mm 0.75\" Center, 1379 mPa 200,000 psi tensile strength steel
Loading Height
23.5ft in
Engine
Number Of Cylinders
18
Engine Make
2238
Engine Model
SSDA18V170
Power Measured @
1900rpm
Displacement
4759.9cu in
Fuel Type
Diesel
Horse Power: Sae J1995
3500.1hp
Horse Power: Iso 9249 / Sae J1349
3345.9hp
Operating Cycle
4-cycle
Weight (Wet)
25904.4lb
Weight (Dry)
24802.1lb
Driveline
Service Brake Type
Oil-cooled, hydraulic-actuated, multiple disc brakes at each wheel.
Parking Brake Type
Multiple disc, spring-applied, hydraulically-released, dry brakes on inboard end of each wheel motor rotor shaft. Rated to hold on ±15% grade at maximum gross vehicle weight.
Emergency Brakes
Oil-cooled, multiple disc front & rearAutomatically applied prior to hydraulic system pressure dropping below level required to meet secondary stopping requirements.
Wheel Brake Locks
Switch-activated
Electric Dynamic Retarder (Max.)
Continuous at 4476 kW 6,000 hp
Max. Service Apply Pressure (Kpa)
2750psi
Total Friction Area Per Brake (Cm2)
103729
Capacities
Fuel Tank
1400.2gal
Cooling System
190gal
Hydraulic System
350.1gal
Crankcase
90.1gal
Motor Gear Box
25.1gal
Weights
Gross Weight
1378499.8lb
Empty Weight
564092.4lb
Weight Distribution Front - Empty
48%
Weight Distribution Rear - Empty
52%
Weight Distribution Front - Loaded
33%
Weight Distribution Rear - Loaded
67%
Tires
Standard Tire
59/80 R63
Hydraulic System
Hoist Cylinder
Two 2-stage dual-acting outbound cylinders and internal cushion valve, over-centre damping
Relief Pressure
Hoist and brake cooling- 17237 kPa 2,500 psi Steering and brake-20685 kPa 3,000 psi
Hoist Time
Power-up loaded: 21 sec; Power-down: 16 sec; Float-down empty:17 sec
Turning Circle Diameter (Sae)
105ft in
Reservoir
250gal
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
