789D Mining Truck

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Overview

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

Units:
Engine Model 3516C - HD 3516C - HD Less
Gross Power - SAE J1995 2100.0 HP 1566.0 kW Less
Bore 6.7 in 170.0 mm Less
Stroke 8.3 in 210.0 mm Less
Displacement 4766.0 in³ 78.1 l Less
Net Power 1969.0 HP 1468.0 kW Less
Gross Power 2100.0 HP 1566.0 kW Less
Rated Net Power - ISO 9249 1969.0 HP 1468.0 kW Less

Weights - Approximate

Gross Machine Operating Weight (GMW) 715000.0 lb 324319.0 kg Less
Body Weight Range 23 920 kg-45 547 kg (52,850 lb-100,414 lb) 23 920 kg-45 547 kg (52,850 lb-100,414 lb) Less
Empty Operating Chassis Weight (EOCW) 218542.0 lb 99129.0 kg Less

Operating Specifications

Nominal Payload Capacity 200.0 ton (US) 181.0 t Less
Standard Combi Body (SAE 2:1) 200.0 yd³ 153.0 m³ Less
Standard Dual Slope Body (SAE 2:1) 141.0 yd³ 108.0 m³ Less
Standard Gateless Coal Body (SAE 2:1) 250.0 yd³ 191.0 m³ Less
Standard MSD Body (SAE 2:1) 170.0 yd³ 130.0 m³ Less
Standard X Body (SAE 2:1) 161.0 yd³ 123.0 m³ Less

Final Drives

Differential Ratio 2.35:1 2.35:1 Less
Planetary Ratio 10.83:1 10.83:1 Less
Total Reduction Ratio 25.46:1 25.46:1 Less

Transmission

Forward - 1 7.8 mile/h 12.6 km/h Less
Forward - 2 10.6 mile/h 17.1 km/h Less
Forward - 3 14.4 mile/h 23.1 km/h Less
Forward - 4 19.4 mile/h 31.2 km/h Less
Forward - 5 26.3 mile/h 42.3 km/h Less
Forward - 6 35.5 mile/h 57.2 km/h Less
Reverse 7.3 mile/h 11.8 km/h Less

Suspension

Effective Cylinder Stroke - Front 4.0 in 105.0 mm Less
Effective Cylinder Stroke - Rear 3.5 in 93.0 mm Less
Rear axle - Oscillation ±5.6° ±5.6° Less

Body Hoists

Pump Flow - High Idle 193.0 gal/min 731.0 l/min Less
Relief Valve Setting - Raise 2500.0 psi 17238.0 kPa Less
Body Raise Time - High Idle 18.9 s 18.9 s Less
High Idle Body Lower Time - Float 17.3 s 17.3 s Less
High Idle Body Lower Time - Power 15.6 s 15.6 s Less

Brakes

Brake Surface - Rear 18024.0 in² 116283.0 cm² Less
Standards SAE J1473 OCT90 ISO 3450:1996 SAE J1473 OCT90 ISO 3450:1996 Less
Brake Surface - Front 12662.0 in² 81693.0 cm² Less

Weight Distributions - Approximate

Front Axle - Empty 46.0 % 46.0 % Less
Front Axle - Loaded 33.0 % 33.0 % Less
Rear Axle - Empty 54.0 % 54.0 % Less
Rear Axle - Loaded 67.0 % 67.0 % Less

Service Refill Capacities

Brake Hoist System 241.0 gal (US) 909.0 l Less
Cooling System 192.0 gal (US) 725.0 l Less
Crankcase 77.0 gal (US) 291.0 l Less
Differential - Final Drives 154.0 gal (US) 583.0 l Less
Fuel Tank - Optional 1000.0 gal (US) 3785.0 l Less
Fuel Tank - Standard 550.0 gal (US) 2082.0 l Less
Steering System 50.0 gal (US) 189.0 l Less
Transmission Tank 20.0 gal (US) 76.0 l Less

Tires

Optional Tires 40.00-R57 40.00-R57 Less
Standard Tires 37.00-R57 37.00-R57 Less

ROPS

ROPS Standards Standards Standards Less

Sound

Sound Standards Standards Standards Less

Steering

Steering Angle 36.07 ° 36.07 ° Less
Turning Diameter - Front Wheel 90.32 ft 27.53 m Less
Vehicle Clearance - Turn Circle 99.18 ft 30.23 m Less
Steering Standards SAE J1511 OCT90 ISO 5010:1992 SAE J1511 OCT90 ISO 5010:1992 Less

Optional Engine

Bore 6.7 in 170.0 mm Less
Displacement 4211.0 in³ 69.0 l Less
Engine Model 3516B EUI 3516B EUI Less
Gross Power 1900.0 HP 1417.0 kW Less
Rated Net Power - ISO 9249 1791.0 HP 1335.0 kW Less
Stroke 7.5 in 190.0 mm Less