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
- Gross Power - SAE J1995
- 2100 HP
- Engine Model
- Cat® 3516C HD
- 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
- Cat® 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
