789D Mining Truck

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Caterpillar’s exclusive design ownership provides advantages by creating a total hauling unit that delivers the best integration of high production, availability, and payload in combination with low operating cost and long life. The Cat® 789D continues the tradition of Caterpillar’s proven 789 Truck with high productivity and lowest in class cost per ton.

Operating Specifications

Nominal Payload Capacity
200 ton (US)
Standard MSD Body (SAE 2:1)
170 yd³
Standard X Body (SAE 2:1)
161 yd³
Standard Dual Slope Body (SAE 2:1)
141 yd³
Standard Combi Body (SAE 2:1)
200 yd³
Standard Gateless Coal Body (SAE 2:1)
250 yd³

Engine

Engine Model
3516C - HD
Gross Power - SAE J1995
2100 HP
Rated Net Power - ISO 9249
1969 HP
Bore
6.7 in
Stroke
8.3 in
Displacement
4766 in³
Net Power
1969 HP
Gross Power
2100 HP

Weights - Approximate

Gross Machine Operating Weight (GMW)
715000 lb
Body Weight Range
23 920 kg-45 547 kg (52,850 lb-100,414 lb)
Empty Operating Chassis Weight (EOCW)
218542 lb

Weight Distributions - Approximate

Front Axle - Empty
46 %
Rear Axle - Empty
54 %
Front Axle - Loaded
33 %
Rear Axle - Loaded
67 %

Steering

Steering Standards
SAE J1511 OCT90 ISO 5010:1992
Steering Angle
36.07 °
Turning Diameter - Front Wheel
90.32 ft
Vehicle Clearance - Turn Circle
99.18 ft

Optional Engine

Engine Model
3516B EUI
Gross Power
1900 HP
Rated Net Power - ISO 9249
1791 HP
Bore
6.7 in
Stroke
7.5 in
Displacement
4211 in³

Service Refill Capacities

Fuel Tank - Standard
550 gal (US)
Fuel Tank - Optional
1000 gal (US)
Cooling System
192 gal (US)
Crankcase
77 gal (US)
Differential - Final Drives
154 gal (US)
Steering System
50 gal (US)
Brake Hoist System
241 gal (US)
Transmission Tank
20 gal (US)

Transmission

Forward - 1
7.8 mile/h
Forward - 2
10.6 mile/h
Forward - 3
14.4 mile/h
Forward - 4
19.4 mile/h
Forward - 5
26.3 mile/h
Forward - 6
35.5 mile/h
Reverse
7.3 mile/h

Final Drives

Differential Ratio
2.35:1
Planetary Ratio
10.83:1
Total Reduction Ratio
25.46:1

Suspension

Effective Cylinder Stroke - Front
4 in
Effective Cylinder Stroke - Rear
3.5 in
Rear axle - Oscillation
±5.6°

Brakes

Brake Surface - Front
12662 in²
Brake Surface - Rear
18024 in²
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

Tires

Standard Tires
37.00-R57
Optional Tires
40.00-R57

ROPS

ROPS Standards
Standards

Sound

Sound Standards
Standards