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.
Engine | |
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Engine Model | 3516C - HD |
Gross Power - SAE J1995 | 2100 HP / 1566 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 |
Rated Net Power - ISO 9249 | 1969 HP / 1468 kW |
Weights - Approximate | |
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Gross Machine Operating Weight (GMW) | 715000 lb / 324319 kg |
Body Weight Range | 23 920 kg-45 547 kg (52,850 lb-100,414 lb) |
Empty Operating Chassis Weight (EOCW) | 218542 lb / 99129 kg |
Operating Specifications | |
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Nominal Payload Capacity | 200 ton (US) / 181 ton (US) |
Standard Combi Body (SAE 2:1) | 200 yd³ / 153 m³ |
Standard Dual Slope Body (SAE 2:1) | 141 yd³ / 108 m³ |
Standard Gateless Coal Body (SAE 2:1) | 250 yd³ / 191 m³ |
Standard MSD Body (SAE 2:1) | 170 yd³ / 130 m³ |
Standard X Body (SAE 2:1) | 161 yd³ / 123 m³ |
Final Drives | |
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Differential Ratio | 2.35:1 |
Planetary Ratio | 10.83:1 |
Total Reduction Ratio | 25.46:1 |
Transmission | |
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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 |
Suspension | |
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Effective Cylinder Stroke - Front | 4 in / 105 mm |
Effective Cylinder Stroke - Rear | 3.5 in / 93 mm |
Rear axle - Oscillation | ±5.6° |
Body Hoists | |
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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 |
High Idle Body Lower Time - Float | 17.3 s |
High Idle Body Lower Time - Power | 15.6 s |
Brakes | |
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Brake Surface - Rear | 18024 in² / 116283 cm² |
Standards | SAE J1473 OCT90 ISO 3450:1996 |
Brake Surface - Front | 12662 in² / 81693 cm² |
Weight Distributions - Approximate | |
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Front Axle - Empty | 46 % |
Front Axle - Loaded | 33 % |
Rear Axle - Empty | 54 % |
Rear Axle - Loaded | 67 % |
Service Refill Capacities | |
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Brake Hoist System | 241 gal (US) / 909 l |
Cooling System | 192 gal (US) / 725 l |
Crankcase | 77 gal (US) / 291 l |
Differential - Final Drives | 154 gal (US) / 583 l |
Fuel Tank - Optional | 1000 gal (US) / 3785 l |
Fuel Tank - Standard | 550 gal (US) / 2082 l |
Steering System | 50 gal (US) / 189 l |
Transmission Tank | 20 gal (US) / 76 l |
Tires | |
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Optional Tires | 40.00-R57 |
Standard Tires | 37.00-R57 |
ROPS | |
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ROPS Standards | Standards |
Sound | |
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Sound Standards | Standards |
Steering | |
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Steering Angle | 36.07 ° |
Turning Diameter - Front Wheel | 90.32 ft / 27.53 m |
Vehicle Clearance - Turn Circle | 99.18 ft / 30.23 m |
Steering Standards | SAE J1511 OCT90 ISO 5010:1992 |
Optional Engine | |
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Bore | 6.7 in / 170 mm |
Displacement | 4211 in³ / 69 l |
Engine Model | 3516B EUI |
Gross Power | 1900 HP / 1417 kW |
Rated Net Power - ISO 9249 | 1791 HP / 1335 kW |
Stroke | 7.5 in / 190 mm |
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