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.

Weights - Approximate

Nominal Rated Payload
210 ton (US)
Rated Gross Machine Weight
715000 lb
Chassis Weight
218542 lb

Engine

Engine Model
Cat® 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

Body - Dual Slope

Body Weight
60684 lb

Operating Specifications

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

Weight Distributions - Approximate

Front Axle - Empty
46 %
Rear Axle - Empty
54 %
Front Axle - Loaded
33 %
Rear Axle - Loaded
67 %
Note
Weight distributions optimized with Cat body.

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
Top Speed - Loaded
35.5 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