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789D Mining Truck

What will it take to boost your bottom line? A truck with a tradition of proven performance in a wide variety of applications? A truck with the lowest cost per ton in its size class, for an overall reduction in your operating costs? The reliability and reduced costs that come with long life — from the engine and powertrain to the components, brakes and frame? With the Cat® 789D, you get all of this — and more. The 789D offers the lowest cost per ton in its size class and high reliability — reducing overall costs and delivering a better bottom line to the most important mine in the world: yours.

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Specifications
Equipment
Units: US Metric
Engine
Engine Model
Cat® 3516C HD
Gross Power - SAE J1995
2100 HP
1566 kW
Rated Net Power - ISO 9249
1969 HP
1468 kW
Bore
6.7 in
170 mm
Stroke
8.3 in
210 mm
Displacement
4766 in³
78.1 l
Net Power
1969 HP
1468 kW
Gross Power
2100 HP
1566 kW
Optional Engine
Engine Model
3516B EUI
Gross Power
1900 HP
1417 kW
Rated Net Power - ISO 9249
1791 HP
1335 kW
Bore
6.7 in
170 mm
Stroke
7.5 in
190 mm
Displacement
4211 in³
69 l
Weights - Approximate
Rated Gross Machine Weight
715000 lb
324319 kg
Body - Dual Slope
Body Weight
60684 lb
27526 kg
Weights - Approximate
Chassis Weight
218542 lb
99129 kg
Nominal Rated Payload
210 ton (US)
191 t
Operating Specifications
Standard MSD Body (SAE 2:1)
170 yd³
130 m³
Standard X Body (SAE 2:1)
161 yd³
123 m³
Standard Dual Slope Body (SAE 2:1)
141 yd³
108 m³
Standard Combi Body (SAE 2:1)
200 yd³
153 m³
Standard Gateless Coal Body (SAE 2:1)
250 yd³
191 m³
Transmission
Forward - 1
7.8 mile/h
12.6 km/h
Forward - 2
10.6 mile/h
17.1 km/h
Forward - 3
14.4 mile/h
23.1 km/h
Forward - 4
19.4 mile/h
31.2 km/h
Forward - 5
26.3 mile/h
42.3 km/h
Forward - 6
35.5 mile/h
57.2 km/h
Reverse
7.3 mile/h
11.8 km/h
Top Speed - Loaded
35.5 mile/h
57.2 km/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
105 mm
Effective Cylinder Stroke - Rear
3.5 in
93 mm
Rear axle - Oscillation
±5.6°
Brakes
Brake Surface - Front
12662 in²
81693 cm²
Brake Surface - Rear
18024 in²
116283 cm²
Standards
SAE J1473 OCT90 ISO 3450:1996
Body Hoists
Pump Flow - High Idle
193 gal/min
731 l/min
Relief Valve Setting - Raise
2500 psi
17238 kPa
Body Raise Time - High Idle
18.9 s
18.9 s
High Idle Body Lower Time - Float
17.3 s
17.3 s
High Idle Body Lower Time - Power
15.6 s
15.6 s
Weight Distributions - Approximate
Front Axle - Empty
46 %
46 %
Rear Axle - Empty
54 %
54 %
Front Axle - Loaded
33 %
33 %
Rear Axle - Loaded
67 %
67 %
Note
Weight distributions optimized with Cat body.
Tires
Standard Tires
37.00-R57
Optional Tires
40.00-R57
Service Refill Capacities
Fuel Tank - Standard
550 gal (US)
2082 l
Fuel Tank - Optional
1000 gal (US)
3785 l
Cooling System
192 gal (US)
725 l
Crankcase
77 gal (US)
291 l
Differential - Final Drives
154 gal (US)
583 l
Steering System
50 gal (US)
189 l
Brake Hoist System
241 gal (US)
909 l
Transmission Tank
20 gal (US)
76 l
ROPS
ROPS Standards
Standards
Sound
Sound Standards
Standards
Steering
Steering Standards
SAE J1511 OCT90 ISO 5010:1992
Steering Angle
36.07 °
36.07 °
Turning Diameter - Front Wheel
90.32 ft
27.53 m
Vehicle Clearance - Turn Circle
99.18 ft
30.23 m
Standard Equipment
POWER TRAIN
ELECTRICAL
OPERATOR ENVIRONMENT
FLUIDS
OTHER STANDARD EQUIPMENT