Off-Highway Trucks

789D

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.

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    • Optional Engine
      Bore 170 mm
      Displacement 69 l
      Engine Model 3516B EUI
      Gross Power 1417 kW
      Rated Net Power - ISO 9249 1335 kW
      Stroke 190 mm
    • Engine
      Bore 170 mm
      Displacement 78.1 l
      Engine Model 3516C - HD
      Gross Power 1566 kW
      Gross Power - SAE J1995 1566 kW
      Net Power 1468 kW
      Rated Net Power - ISO 9249 1468 kW
      Stroke 210 mm
    • Weights - Approximate
      Body Weight Range 23 920 kg-45 547 kg (52,850 lb-100,414 lb)
      Empty Operating Chassis Weight (EOCW) 99129 kg
      Gross Machine Operating Weight (GMW) 324319 kg
    • Suspension
      Effective Cylinder Stroke - Front 105 mm
      Effective Cylinder Stroke - Rear 93 mm
      Rear axle - Oscillation ±5.6°
    • Operating Specifications
      Nominal Payload Capacity 181 t
      Standard Combi Body (SAE 2:1) 153 m³
      Standard Dual Slope Body (SAE 2:1) 108 m³
      Standard Gateless Coal Body (SAE 2:1) 191 m³
      Standard MSD Body (SAE 2:1) 130 m³
      Standard X Body (SAE 2:1) 123 m³
    • Body Hoists
      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
      Pump Flow - High Idle 731 l/min
      Relief Valve Setting - Raise 17238 kPa
    • Final Drives
      Differential Ratio 2.35:1
      Planetary Ratio 10.83:1
      Total Reduction Ratio 25.46:1
    • Transmission
      Forward - 1 12.6 km/h
      Forward - 2 17.1 km/h
      Forward - 3 23.1 km/h
      Forward - 4 31.2 km/h
      Forward - 5 42.3 km/h
      Forward - 6 57.2 km/h
      Reverse 11.8 km/h
    • Brakes
      Brake Surface - Front 81693 cm²
      Brake Surface - Rear 116283 cm²
      Standards SAE J1473 OCT90 ISO 3450:1996
    • Weight Distributions - Approximate
      Front Axle - Empty 46 %
      Front Axle - Loaded 33 %
      Rear Axle - Empty 54 %
      Rear Axle - Loaded 67 %
    • Service Refill Capacities
      Brake Hoist System 909 l
      Cooling System 725 l
      Crankcase 291 l
      Differential - Final Drives 583 l
      Fuel Tank - Optional 3785 l
      Fuel Tank - Standard 2082 l
      Steering System 189 l
      Transmission Tank 76 l
    • Tires
      Optional Tires 40.00-R57
      Standard Tires 37.00-R57
    • ROPS
      ROPS Standards Standards
    • Sound
      Sound Standards Standards
    • Steering
      Steering Angle 36.07 °
      Steering Standards SAE J1511 OCT90 ISO 5010:1992
      Turning Diameter - Front Wheel 27.53 m
      Vehicle Clearance - Turn Circle 30.23 m

    Product Downloads

    789D Brochure

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