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Power Train – Engine

Power Train – Engine

Power Train – Engine

Power Train – Engine

Power Train – Engine

Power Train – Engine

Power Train – Engine

Power Train – Engine

Power Train – Engine

Power Train – Engine

Power Train – Transmission

Power Train – Transmission

Power Train – Transmission

Power Train – Transmission

Power Train – Transmission

Power Train – Transmission

Power Train – Transmission

Power Train – Transmission

Power Train – Transmission

Power Train – Transmission

Engine/Power Train Integration

Engine/Power Train Integration

Engine/Power Train Integration

Engine/Power Train Integration

Engine/Power Train Integration

Structures

Structures

Structures

Structures

Structures

Structures

Structures

Structures

Operator's Station

Operator's Station

Operator's Station

Operator's Station

Operator's Station

Cat® Brake System

Cat® Brake System

Cat® Brake System

Cat® Brake System

Cat® Brake System

Cat® Brake System

Cat® Brake System

Truck Body Systems

Truck Body Systems

Truck Body Systems

Monitoring System

Monitoring System

Monitoring System

Monitoring System

Monitoring System

Monitoring System

Monitoring System

Monitoring System

Safety

Safety

Safety

Safety

Safety

Sustainability

Sustainability

Sustainability

Sustainability

Serviceability

Serviceability

Serviceability

Serviceability

Serviceability

Serviceability

Serviceability

Serviceability

Serviceability

Serviceability

Serviceability

Customer Support

Customer Support

Customer Support

Customer Support

Customer Support

789C Standard Equipment

Brake System
  • Oil-cooled, Multiple-disc, Front and Rear
  • Parking
  • Secondary, Emergency

Cab, ROPS/FOPS
  • Air Cleaner Service Indicator
  • Air Conditioner
  • Ashtray
  • Cigarette Lighter
  • Coat Hook
  • Diagnostic Connector
  • Electric Engine Control Fault Indicator
  • Electric Window (Operator Only)
  • Entertainment Radio Ready
  • Glass, Tinted
  • Heater/defroster: 11 070 kCal (43,930 BTU)
  • Horn
  • Insulated and Sound Suppressed
  • Integrated Object Detection System
  • Dome Courtesy Light
  • Mirrors, Right and Left
  • Quad-Gauge Panel
  • Seat, Air Suspension, 3-point Operator Restraint
  • Seat, Passenger, Non-suspension
  • Seat Belts, 3-point, 75 mm (3 in) wide retractable
  • Speedometer
  • Steering, Automatic Supplemental
  • Steering Wheel, Tilt, Padded, Telescopic
  • Storage Compartment
  • Sun Visor
  • Tachometer
  • Transmission Gear Indicator
  • VIMS Keypad
  • VIMS Message Center with Universal Gauge
  • Windshield Wiper and Washer

Engine – Cat 3516B EUI Diesel Engine
  • Air Cleaner with Precleaner (2)
  • Elevated Low Idle Control
  • Ether Starting Aid, Automatic
  • Multi-Point Oil Pressure Sensing
  • Turbocharger (4)/Aftercooler

Ground Level
  • Battery Disconnect
  • Engine Shutdown
  • VIMS Dataports (2)

Lighting System
  • Back-up Lights, Halogen
  • Direction Signals and Hazard Warning (Rear Halogen)
  • External Payload Lights, red/green
  • Headlights, Halogen, with Dimmer
  • LH Ladder Light and Service Deck Lights
  • Stop and Tail Lights (LED)
  • Under-hood Light

Reservoirs (Separate)
  • Brake/Converter/Hoist
  • Steering
  • Transmission

Transmission
  • 6-speed, Automatic Power Shift
  • Body-up Shift Inhibitor
  • Controlled Throttle Shifting
  • Directional Shift Management
  • Electronic Control and Downshift Inhibitor
  • Lock-up Torque Converter
  • Neutral Coast Inhibitor
  • Neutral Start Switch, Reverse Shift Inhibitor
  • Programmable Top Gear
  • Reverse Neutralizer during Dumping

789C Optional Equipment

Bodies
  • see Weight/Payload Calculation chart

Body extensions (dual slope):
  • Tail
  • Sideboards1

Body and tail extension liners2
  • Full-length liner
  • Tail extension liner3

Fuel tanks
  • 850 gal/3222 L
  • 1,000 gal/3785 L

Starting system
  • Air (TDI Turbine)
  • Air (IR Turbine)

Overview

The 789C Mining Truck is engineered for performance, designed for comfort, and built to last. Developed specifically for high production mining and hauling applications, the 789C Mining Truck keeps material moving at high volume to lower your cost-per-ton.Rugged construction creates a durable machine. Easy maintenance procedures ensure high reliability and long life with low operating costs.

Engine

Units:
Engine Model Cat 3516B EUI Cat 3516B EUI Less
Gross Power - SAE J1995 1900.0 mm H2O 1417.0 kg/mm Less
Net Power - ISO 9249 1791.0 mm H2O 1335.0 kg/mm Less
Net Power - 80/1269/EEC 1791.0 mm H2O 1335.0 kg/mm Less
Bore 6.7 in 170.0 mm Less
Stroke 7.5 in 190.0 mm Less
Displacement 4211.0 in³ 69.0 l Less
Net Power - SAE J1349 1771.0 mm H2O 1320.0 kg/mm Less

Weights - Approximate

Chassis Weight 218300.0 lb 99020.0 kg Less
Body Weight Range 26 800-29 950 kg (59,000-71,500 lb) 26 800-29 950 kg (59,000-71,500 lb) Less
Gross Machine Operating Weight 700000.0 lb 317515.0 kg Less

Operating Specifications

Nominal Payload Capacity 195.0 Sh Ton 177.0 t Less
Body Capacity - SAE 2:1 137.0 yd³ 105.0 m³ Less
Top Speed - Loaded 32.7 mile/h 52.6 km/h Less
Steer Angle 36.0 ° 36.0 ° Less
Maximum Capacity Custom Custom Less
Turning Circle - Clearance Diameter 99.2 ft 30.2 m Less
Turning Diameter - Front 90.2 ft 27.5 m 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 7.2 mile/h 11.6 km/h Less
Forward - 2 9.8 mile/h 15.7 km/h Less
Forward - 3 13.2 mile/h 21.3 km/h Less
Forward - 4 17.8 mile/h 28.7 km/h Less
Forward - 5 24.2 mile/h 38.9 km/h Less
Forward - 6 32.7 mile/h 52.6 km/h Less
Reverse 6.5 mile/h 10.5 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
Body Lower Time - Float 17.3 s 17.3 s Less
Body Power Down - High Idle 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

Approximate Weights - Dual Slope

Gross Weight - Empty 310525.0 lb 140852.0 kg Less
Chassis 225500.0 lb 102285.0 kg Less
Body 59625.0 lb 27045.0 kg Less
Full Liner 20840.0 lb 9453.0 kg Less
Tail Extension 1700.0 lb 771.0 kg Less
Side Boards 2860.0 lb 1297.0 kg Less

Approximate Weights - Flat Floor

Chassis 225400.0 lb 102240.0 null Less
Body 66200.0 lb 30018.0 null Less
Grid Liner 3300.0 lb 1500.0 kg Less
Rear - Third Liner 4200.0 lb 1905.0 kg Less
Gross Weight - Empty 299100.0 lb 135670.0 null Less

Weight Distributions - Approximate

Front Axle - Loaded 33.0 % 33.0 % Less
Rear Axle - Loaded 67.0 % 67.0 % Less
Front Axle - Empty 47.0 % 47.0 % Less
Rear Axle - Empty 53.0 % 53.0 % Less

Capacity - Dual Slope - 100% Fill Factor

Struck 96.0 yd³ 73.0 m³ Less
Heaped (SAE 2:1) 137.0 yd³ 105.0 m³ Less

Capacity - Flat Floor - 100% Fill Factor

Struck 102.0 yd³ 92.0 m³ Less
Heaped (SAE 2:1) 158.0 yd³ 121.0 m³ Less

Service Refill Capacities

Fuel Tank - Standard 851.0 gal (US) 3222.0 l Less
Cooling System 175.0 gal (US) 663.0 l Less
Crankcase 77.0 gal (US) 291.0 l Less
Steering Tank 34.0 gal (US) 130.0 l Less
Steering System - Including Tank 50.0 gal (US) 189.0 l Less
Brake/Hoist Hydraulic Tank 140.0 gal (US) 531.0 l Less
Brake Hoist System - Includes Tank 240.0 gal (US) 909.0 l Less
Differential - Final Drives 154.0 gal (US) 583.0 l Less
Torque Converter - Transmission Sump 59.0 gal (US) 224.0 l Less
Torque Converter/Transmission System - Including Sump 20.0 gal (US) 76.0 l Less

Tires

Standard Tires 37.00-R57 (E4) 37.00-R57 (E4) Less

Steering

Steering Standards SAE J1511 OCT90 ISO 5010:1992 SAE J1511 OCT90 ISO 5010:1992 Less
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