789 Mining Truck

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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 new Cat® 789 continues the tradition of Caterpillar’s proven 789 Truck with high productivity and lowest in class cost per ton.

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Body Weight 59827lb
Chassis Weight 234003lb
Nominal Rated Payload 211ton (US)
Note (1) Consult your tire manufacturer for maximum tire load.
Note (2) Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires.
Rated Gross Machine Weight 715000lb
Bore 6.7in
Displacement 4766in³
Emissions Rating U.S. Tier 4 / EU Stage V
Engine Model Cat® 3516E
Gross Power - SAE J1995 2100HP
Net Power - SAE J1349 1975HP
Note (1) Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.
Rated Speed 1650r/min
Stroke 8.5in
Front Axle - Empty 50%
Front Axle - Loaded 33%
Rear Axle - Empty 50%
Rear Axle - Loaded 67%
Differential Ratio 2.35:1
Planetary Ratio 10.83:1
Total Reduction Ratio 25.46:1
Type Double reduction, planetary with full floating axles.
Note (1) Quick Change Rims optional.
Note (2) Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.
Optional Tires 40.00-R51
Rims 29" x 57"
Standard Tires 37.00-R51
Front Wet Disc Brake Surface Area 12662in²
Parking Brake Four-corner, Multi-disc, Spring Applied, Hydraulically Released
Rear - Wet Disc Brake Surface Area 20861in²
Service Brakes Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Standards Service and Secondary: ISO 3450:2011
Heaped (SAE 2:1) 141yd³
Struck 101yd³
Body Lower Time - Float 16s
Body Raise Time - High Idle 14s
Pump Flow - High Idle 106.5gal/min
Relief Valve Setting - Raise 2749psi
Type Twin, two-stage hydraulic cylinders with snubbing valve.
Effective Cylinder Stroke - Front 4.12in
Effective Cylinder Stroke - Rear 3.67in
Rear axle - Oscillation ±5°
Type Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments
Brake Hoist System 347gal (US)
Brake Hoist System - Includes Tank 55gal (US)
Brake/Hoist Tank 169gal (US)
Cooling System 180gal (US)
Crankcase 77gal (US)
Diesel Exhaust Fluid Tank 62gal (US)
Differential - Final Drives 161gal (US)
Final Drive - Each 5.8gal (US)
Fuel Tank - Standard 544gal (US)
Steering System - Includes Tank 46gal (US)
Steering Tank 42gal (US)
Torque Converter - Transmission System - Including Sump 55gal (US)
Air Conditioning HFC - 134A refrigerant: 31733 Btu/h
FOPS Standards FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 for Operator and ISO 13459:2012 Level II for Trainer.
Heater / Defroster 36510Btu/h
Note The operator sound pressure level, 76 dB(A), complies with ISO 6394:2008 and ISO 6396:2008.
ROPS Standards (1) ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer.
Steering Angle 36.07°
Steering Standards ISO 5010:2007
Turning Diameter - Front 90.3ft
Centerline Front Tire Width 17.75ft
Centerline of Rear Dual Tire Width 15.42ft
Dump Clearance 4.75ft
Engine Guard Clearance 4.25ft
Front Canopy Height 21.42ft
Ground Clearance 4.25ft
Height - Top of ROPS 18.25ft
Inside Body Depth - Maximum 9.33ft
Inside Body Length 27.33ft
Inside Body Width 21.33ft
Loading Height - Empty 18.58ft
Operating Width 25.67ft
Outside Body Width 22.5ft
Overall Body Length 42ft
Overall Canopy Width 25.08ft
Overall Height - Body Raised 44.08ft
Overall Length 41.5ft
Overall Tire Width 23.33ft
Rear Axle - Clearance 4.17ft
Rear Axle - Tail 11.75ft
Rear Sidewall Height 3.17ft
Wheel Base 18.67ft
Forward - 1 7.8mile/h
Forward - 2 10.6mile/h
Forward - 3 14.4mile/h
Forward - 4 19.4mile/h
Forward - 5 26.3mile/h
Forward - 6 35.5mile/h
Reverse 7.3mile/h
Top Speed - Loaded 35.5mile/h

Standard Equipment:

  • Electrical
    • 24V electrical system, low maintenance batteries (2) 93 amp-hour
    • Alarm, backup
    • Brushless alternator, 225 amp
    • Ground accessible power control box: Ethernet VIMS port and VIMS lamp, Engine starter transmission and battery lockouts
    • Jump start/battery charge receptacle
    • LED Lighting system:
      – Backup and hazard lights; Curb Lights (1) RH side, (1) LH side; Turn signals (front and rear LED)
      – Engine compartment lights
      – Headlights with lo-hi beam selector
      – Ladder light and service deck lights
      – Stop/tail lights
  • Operator Environment
    • 12V auxiliary power connection
    • Diagnostic connection port COM3 and Ethernet
    • Delayed engine shutdown
    • Dome courtesy light and map lights
    • Entertainment Radio Ready: Radio mounting provisions and 12V power supply, Speakers, Antenna (AM/FM/WB/satellite radio)
    • Gauges/indicators: critical oil and coolant temperatures, Fuel and DEF level, Engine system, brake and transmission fault indicators, Speedometer, Tachometer
    • Heated mirrors, right and left
    • Hoist, body control (electric)
    • Interactive touchscreen vehicle information display: day/night mode, action alarm, quad gauge display
    • Operator and trainer air suspension seats
    • Power windows
    • Provision for customer accessory mounting
    • Retractable front visor
    • ROPS cab, insulated/sound supressed
    • Stairway & walkway access, 600 mm (24")
    • Steering wheel, tiltable, telescopic
    • Self-filling to windshield washer fluid from AC condensate
    • Storage locations for operator gear
    • Windshield wiper, intermittent control
    • Unitized hydraulic powered HVAC with automatic temperature control
  • Power Train
    • 37R57 power train with standard rims
    • Cat 3516E tier 4 final engine and aftertreatment: Automatic engine thermal management, Automatic low voltage idle management, Air cleaner with precleaner (two), Turbocharging (four) with air-to-air aftercooler, Mechanical Electronic Unit Injector MEUI)(TM-A) fuel system, Automatic starter protection, Automatic ether starting aid
    • Hydraulic braking system: Automatic retarder control (ARC), adjustable; Oil-cooled, multi-disc (front & rear) (service, retarding, parking, secondary); Anti roll back strategy, Engine overspeed protection, Park break integrated with gear selector, Brake release motor (towing), Extended life brake disc material
    • Transmission:
      – 6-speed, automatic powershift with electronic control (TCC)
      – Advanced Productivity Electronic Control Strategy (APECS)
      – Body-up reverse neutralizer
      – Body-up shift inhibitor
      – Downshift/reverse shift inhibitor
      – Directional shift management
      – Downshift/reverse shift inhibitor
      – Enhanced Traction Control System (TCS)
      – programmable top gear
      – oil level sensor
      – neutral cost inhibitor
      – neutral start switch
      – lock-up torque converter
      – rear axle continuous lubrication/ filtration
  • Fluids
    • Extended Life Coolant to -35° C (-30° F)
  • Technology Products
    • Product Link Elite
  • Other Equipment
    • Automatic lubrication system
    • Auxiliary "buddy" dumping quick connect
    • Auxiliary steering quick connect (towing)
    • Auxiliary connection "user defined shutdown"
    • Hydraulic filters, 1,000 hours
    • Guards for rotating components
    • Fast fill fuel & DEF remote fill system
    • Mudflaps
    • Secondary steering (automatic)
    • Tie off points
    • Tow hooks (front) and tow pin (rear)
    • Vital Info Management System (VIMS)
    • Sight glasses for hydraulic oils
    • SOS℠ sample ports

Optional Equipment:

  • Electrical
    • Digital payload display
    • Auxiliary work lights (1) RH side, (1) LH side
    • Work lamps
  • Operator Environment
    • Wide heated mirrors
  • Power Train
    • No air - electric starter with four batteries, electric horn and automatic lubrication system, Turbine air starter with air tank, air horn and automatic lubrication system, variable speed fan drive
    • Transmission: Rear Axle Oil Cooler & Filter, Engine Pre-lubrication System
    • Prelube, engine
    • Oil renewal system
  • Fluids
    • Coolant, -50° C (-58° F)
  • Technology Products
    • Minestar GPS
  • Truck Bodies
    • Dual slope Body
    • High Peformance (HP) body
    • MSDII body
    • X body
    • Body specific side wall and tail extensions
    • Customizable body liner packages
    • Body heat exhaust
    • Rock ejectors
    • Rear body lighting package
  • Other Equipment
    • Brake Wear Indicator
    • Cold Weather Starter
    • Hub Odometer, Kilometers
    • Powered access stairway
    • Rim diffuser
    • Right Side Discharge Exhuast Piping
    • Wheel chocks
    • Working at Heights Handrail Arrangement
    • Working at Heights Handhold Arrangement