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789D Mining Truck
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Product Specs
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 |
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 |
Weights - Approximate
| Rated Gross Machine Weight | 715000 lb |
| Chassis Weight | 218542 lb |
| Nominal Rated Payload | 214 ton (US) |
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 |
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 |
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. |
Tires
| Standard Tires | 37.00-R57 |
| Optional Tires | 40.00-R57 |
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) |
ROPS
| ROPS Standards | Standards |
Sound
| Sound Standards | Standards |
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 |