Caterpillar 789D Rock Truck
Units
Specifications
Engine
Net Power
1969hp
Gross Power
2100hp
Displacement
4766cu in
Bore
6.7in
Stroke
8.3in
Gross Power - Sae J1995
2100hp
Engine Model
3516C - HD
Rated Net Power - Iso 9249
1969hp
Transmission
Reverse
7.3 mile/h
Forward - 1
7.8mph
Forward - 2
10.6mph
Forward - 3
14.4mph
Forward - 4
19.4mph
Forward - 5
26.3mph
Forward - 6
35.5mph
Steering
Steering Standards
SAE J1511 OCT90 ISO 5010:1992
Steering Angle
36.1degrees
Turning Diameter -Front Wheel
90.4ft in
Vehicle Clearance - Turn Circle
99.2ft in
Tires
Standard Tires
37.00-R57
Optional Tires
40.00-R57
Brakes
Brake Surface - Front
12662in2
Brake Surface - Rear
18024in2
Standards
SAE J1473 OCT90 ISO 3450:1996
Body Hoists
Pump Flow - High Idle
193 gal/min
Relief Valve Setting - Raise
2500 psi
Body Raise Time - High Idle
18.9 s
High Idle Body Lower Time - Float
17.3 s
High Idle Body Lower Time - Power
15.6 s
Final Drives
Planetary Ratio
10.83:1
Differential Ratio
2.35:1
Total Reduction Ratio
25.46:1
Operating Specifications
Nominal Payload Capacity
400000lb
Standard Msd Body (Sae 2:1)
170yd3
Standard X Body (Sae 2:1)
161yd3
Standard Dual Slope Body (Sae 2:1)
141yd3
Standard Combi Body (Sae 2:1)
200yd3
Standard Gateless Coal Body (Sae 2:1)
250yd3
Service Refill Capacities
Cooling System
192gal
Differential - Final Drives
154gal
Crankcase
77gal
Brake Hoist System
241gal
Fuel Tank - Standard
550gal
Fuel Tank - Optional
1000gal
Transmission Tank
20gal
Steering System
50gal
Weight Distributions - Approximate
Front Axle - Empty
46 %
Front Axle - Loaded
33 %
Rear Axle - Empty
54 %
Rear Axle - Loaded
67 %
Weights - Approximate
Body Weight Range
23 920 kg-45 547 kg (52,850 lb-100,414 lb)
Gross Machine Operating Weight (Gmw)
715000lb
Empty Operating Chassis Weight (Eocw)
218542lb
Rops
Rops Standards
Standards
Sound
Sound Standards
Standards
Suspension
Effective Cylinder Stroke - Front
4in
Effective Cylinder Stroke - Rear
3.5in
Optional Engine
Engine Model
3516B EUI
Gross Power
1900hp
Rated Net Power - Iso 9249
1791hp
Bore
6.7in
Stroke
7.5in
Displacement
4211cu in
