789 Mining Truck

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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Gross Power - SAE J1995 2100 HP
Engine Model Cat® 3516E
Net Power - SAE J1349 1975 HP
Rated Speed 1650 r/min
Emissions Rating U.S. Tier 4 / EU Stage V
Bore 6.7 in
Stroke 8.5 in
Displacement 4766 in³
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.
Nominal Rated Payload 211 ton (US)
Rated Gross Machine Weight 715000 lb
Chassis Weight 234003 lb
Body Weight 59827 lb
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.
Front Axle - Empty 50 %
Rear Axle - Empty 50 %
Front Axle - Loaded 33 %
Rear Axle - Loaded 67 %
Type Double reduction, planetary with full floating axles.
Differential Ratio 2.35:1
Planetary Ratio 10.83:1
Total Reduction Ratio 25.46:1
Forward - 1 7.8 mile/h
Forward - 2 10.6 mile/h
Forward - 3 14.4 mile/h
Forward - 4 19.4 mile/h
Forward - 5 26.3 mile/h
Forward - 6 35.5 mile/h
Reverse 7.3 mile/h
Top Speed - Loaded 35.5 mile/h
Standard Tires 37.00-R51
Optional Tires 40.00-R51
Rims 29" x 57"
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.
Service Brakes Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Front Wet Disc Brake Surface Area 12662 in²
Rear - Wet Disc Brake Surface Area 20861 in²
Standards Service and Secondary: ISO 3450:2011
Parking Brake Four-corner, Multi-disc, Spring Applied, Hydraulically Released
Struck 101 yd³
Heaped (SAE 2:1) 141 yd³
Type Twin, two-stage hydraulic cylinders with snubbing valve.
Pump Flow - High Idle 106.5 gal/min
Relief Valve Setting - Raise 2749 psi
Body Raise Time - High Idle 14 s
Body Lower Time - Float 16 s
Type Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments
Effective Cylinder Stroke - Front 4.12 in
Effective Cylinder Stroke - Rear 3.67 in
Rear axle - Oscillation ±5°
Fuel Tank - Standard 544 gal (US)
Diesel Exhaust Fluid Tank 62 gal (US)
Cooling System 180 gal (US)
Crankcase 77 gal (US)
Final Drive - Each 5.8 gal (US)
Differential - Final Drives 161 gal (US)
Steering Tank 42 gal (US)
Steering System - Includes Tank 46 gal (US)
Brake/Hoist Tank 169 gal (US)
Brake Hoist System 347 gal (US)
Brake Hoist System - Includes Tank 55 gal (US)
Torque Converter - Transmission System - Including Sump 55 gal (US)
Air Conditioning HFC - 134A refrigerant: 31733 Btu/h
Heater / Defroster 36510 Btu/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.
FOPS Standards FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 for Operator and ISO 13459:2012 Level II for Trainer.
Steering Angle 36.07 °
Turning Diameter - Front 90.3 ft
Steering Standards ISO 5010:2007
Height - Top of ROPS 18.25 ft
Overall Body Length 42 ft
Inside Body Length 27.33 ft
Overall Length 41.5 ft
Wheel Base 18.67 ft
Rear Axle - Tail 11.75 ft
Ground Clearance 4.25 ft
Dump Clearance 4.75 ft
Loading Height - Empty 18.58 ft
Rear Sidewall Height 3.17 ft
Inside Body Depth - Maximum 9.33 ft
Overall Height - Body Raised 44.08 ft
Operating Width 25.67 ft
Centerline Front Tire Width 17.75 ft
Engine Guard Clearance 4.25 ft
Overall Canopy Width 25.08 ft
Outside Body Width 22.5 ft
Inside Body Width 21.33 ft
Front Canopy Height 21.42 ft
Rear Axle - Clearance 4.17 ft
Centerline of Rear Dual Tire Width 15.42 ft
Overall Tire Width 23.33 ft
  • 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
  • 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
  • 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
  • Extended Life Coolant to -35° C (-30° F)
  • Product Link Elite
  • 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
  • S•O•S℠ sample ports
  • Digital payload display
  • Auxiliary work lights (1) RH side, (1) LH side
  • Work lamps
  • Wide heated mirrors
  • 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
  • Coolant, -50° C (-58° F)
  • Minestar GPS
  • 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
  • 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