Mining Trucks:

785G Mining Truck

ROPS Standards
ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS and ISO 13459:2012 criteria.
Cooling Fan Drive - Direct Drive - Operator Sound Level (ISO 6396:2008)
77 dB(A)
Steering Standards
ISO 5010:2007
Note (1)
Body weight only. Does not include liners.

Product Specs

  • ROPS

  • ROPS Standards
    ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS and ISO 13459:2012 criteria.
    FOPS Standards
    FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 and ISO 13459:2012 Level II criteria.
  • Sound

  • Cooling Fan Drive - Direct Drive - Operator Sound Level (ISO 6396:2008)
    Cooling Fan Drive - Direct Drive - Machine Sound Level (ISO 6395:2008)
    Cooling Fan Drive - Optional Clutch - Machine Sound Level (ISO 6395:2008)
    Cooling Fan Drive - Optional Clutch - Operator Sound Level (ISO 6396:2008)
    Note (1)
    Testing done per specified standard work cycle procedures and conditions with 50% HVAC blower fan speed. Optional clutch control fan measurement done at 70% of maximum engine cooling fan speed.
    Note (2)
    Hearing protection may be needed when operating with an open operator station/cab (when not properly maintained or doors/windows open) for extended periods or in a noisy environment.
  • Steering

  • Steering Standards
    ISO 5010:2007
    Machine Clearance Diameter - ISO 7457:1997 (33.00R51 tires)
    Steering Angle
    36 degrees
    Turning Diameter - ISO 7457:1997 (33.00R51 tires)
  • Body

  • Note (1)
    Body weight only. Does not include liners.
    Note (2)
    Contact your local Cat dealer for site specific body recommendations.
    Standard Dual Slope Volume (SAE 2:1)
    Standard Dual Slope Weight
    Standard MSD Volume (SAE 2:1)
    Standard MSD Weight
  • Body Hoists

  • Note (2)
    Power raise in both stages; power down in second stage.
    Note (3)
    Automatic body lower modulation reduces impact on frame.
    Body Lower Time - Float High Idle
    Body Lower Time - Float Low Idle
    Body Power Down- High Idle
    Body Raise Time - High Idle
    Note (1)
    Twin, two-stage hydraulic cylinder mounted outside main frame; double-acting cylinders in second stage.
  • Dimensions (All dimensions are approximate. MSD II Body, 33R51 tires, unloaded machine.)

  • Centerline Front Tire Width
    Centerline of Rear Dual Tire Width
    Dump Clearance
    Engine Guard Clearance
    Front Canopy Height
    Ground Clearance
    Height - Top of ROPS
    Inside Body Depth - Maximum
    Inside Body Length
    Inside Body Width
    Loading Height - Empty
    Operating Width
    Outside Body Width
    Overall Body Length
    Overall Canopy Width
    Overall Height - Body Raised
    Overall Length
    Overall Tire Width
    Rear Axle - Clearance
    Rear Axle - Tail
    Rear Sidewall Height
    Wheel Base
  • Engine

  • Emissions
    Meets U.S. EPA Tier 4 Final emissions standards.
    Note (3)
    Selectable 1,450 hp configuration.
    Engine Model
    Cat 3512E HD
    Gross Power - SAE J1995
    Gross Power - SAE J1995:2014
    Note (1)
    Power rating conditions: – At 1,650 rpm rated speed based on SAE J1995:2014 standard air inlet conditions of 25° C (77° F) and 99 kPa (29.31 in Hg) dry barometric pressure. – Based on fuel of 35° API gravity (at 15.6° C or 60° F) having a LHV of 42 780 kJ
    Note (2)
    No engine derating required up to 2987 m (9800 ft) altitude per standard conditions.
  • Operating Specifications

  • Note (2)
    Refer to the Cat Mining Truck 10/10/20 Overload Policy (AEXQ0250) for maximum gross machine weight limitations.
    Note (3)
    *Includes standard liners and MSD II (Mine Specific Design) body.
    Nominal Payload Capacity
    146ton (US)
    Gross Machine Operating Weight (GMW) (33R51 tires)
    Gross Machine Operating Weight (GMW) (36R51 tires)
    Nominal Payload Capacity (33.00R51 tires)*
    146ton (US)
    Nominal Payload Capacity (36.00R51 tires)*
    148ton (US)
    Note (1)
    GMW depends on tire selection. Consult your tire manufacturer for maximum loaded top speed.
  • Service Refill Capacities

  • Note (1)
    Separate steering system and separate torque converter/transmission system prevents cross contamination.
    Note (2)
    Contact your local Cat dealer for DEF infrastructure recommendations.
    Torque Converter - Transmission System - Including Sump
    46gal (US)
    Cooling System
    100gal (US)
    Steering Tank
    29gal (US)
    Brake Hoist System - Includes Tank
    160gal (US)
    Brake/Hydraulic Tank
    135gal (US)
    DEF Tank
    36gal (US)
    Differential - Final Drives
    139gal (US)
    Engine Crankcase
    54gal (US)
    Fuel Tank
    410gal (US)
    Steering System - Includes Tank
    45gal (US)
  • Tires

  • Note (1)
    Productive capabilities of the 785G truck are such that, under certain job conditions, TKPH (TMPH) capabilities could be exceeded and, therefore, limit production.
    Note (2)
    Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection.
    Optional Tire
    36.00R51 (Michelin and Bridgestone)
    Standard Tire
    33.00R51 (E3 and E4)
  • Transmission

  • Note
    Maximum travel speeds with standard 33.00-R51 tires.
    Total Final Drive Reduction Ratio
    Forward - 1
    Forward - 2
    Forward - 3
    Forward - 4
    Forward - 5
    Forward - 6
  • Weights - Approximate

  • Note (1)
    Chassis weight includes standard mandatory attachments, 33R51 tires, all operating fluid levels full and 100% fuel.
    Note (2)
    Estimated weight of debris is not included in operating chassis weight.
    Note (3)
    Body weight varies depending on body selection and configuration.
    Body Weight Range
    21 275 kg-30 623 kg (46,903 lb-67,512 lb)
    Empty Operating Chassis Weight
  • Suspension

  • Cylinder Stroke - Front
    Cylinder Stroke - Rear
  • Braking System

  • Brake Surface - Front
    Brake Surface - Rear
    Oil cooled four corner hydraulic actuated disc brakes.
    ISO 3450:2011
  • Weight Distributions - Approximate

  • Front Axle - Empty
    Front Axle - Loaded - Target
    Rear Axle - Empty
    Rear Axle - Loaded - Target


  • Power Train
    • 33R51 power train with standard rims
    • Cat 3512E high displacement Tier 4 Final engine and aftertreatment
      • Automatic engine and DEF thermal management
      • Automatic low voltage idle management
      • Air cleaner with precleaner (two)
      • Turbocharging (four) with air-to-air aftercooler
      • Mechanical Electronic Unit Injector (MEUI-A) fuel system
      • Automatic starter protection
      • Automatic ether starting aid
    • Hydraulic braking system:
      • Automatic retarder control, adjustable
      • Oil-cooled, multi-disc (front and rear)
        – Service, retarding, parking, secondary
      • Anti roll back strategy
      • Engine over speed protection
      • Park brake integrated with gear selector
      • Brake release motor (towing)
      • Extended life brake disc material
    • Transmission:
      • Six-speed, automatic power shift with Electronic Clutch Pressure Control (ECPC)
      • Advanced Productivity Electronic Control Strategy (APECS)
      • Body-up reverse neutralizer
      • Body-up shift inhibitor
      • Downshift/reverse shift inhibitor
      • Directional shift management
      • Enhanced Traction Control System
      • Programmable top gear
      • Oil level sensor
      • Neutral coast inhibitor
      • Neutral start switch
      • Lock-up torque converter
      • Rear axle continuous lubrication/filtration
  • Electrical
    • Jump start/battery charge receptacle
    • Ground accessible power control box
      – Ethernet VIMS port and VIMS lamp
      – Engine starter, transmission and battery lockouts
    • Brushless alternator, 225 amp
    • Alarm, backup
    • 24V electrical system, low maintenance batteries (2) 93 amp-hour
    • LED payload indicator lamps
    • LED lighting system:
      • Backup and hazard lights
      • Curb lights, (one) RH side, (one) LH side
      • Turn signals (front and rear)
      • Engine compartment lights
      • Headlights with low-high beam selector
      • Ladder light and service deck lights
      • Stop/tail lights
  • Operator Environment
    • Unitized hydraulic powered HVAC with automatic temperature control
    • Four point seat belt for operator seat
    • Power windows
    • Heated mirrors, right and left
    • Heated and ventilated operator seat
    • Operator and trainer air suspension seats
    • Storage locations for operator gear
    • Provision for customer accessory mounting
    • Diagnostic connection port COM3 and Ethernet
    • Dome courtesy light and map lights
    • Fire suppression ready
    • Delayed Engine Shutdown
    • Integrated object detection system with touchscreen display
    • Interactive touchscreen vehicle information display
      • Day/night mode
      • Action alarm
      • Quad gauge display
    • Gauges and indicators panel:
      • Critical oil and coolant temperatures
      • Fuel and DEF level
      • Engine system, brake and transmission fault indicators
      • Speedometer, Tachometer
    • Entertainment radio ready:
      • Speakers
      • Antenna (AM/FM/WB/satellite radio)
      • Radio mounting provisions and 12V power supply
    • Retractable front visor
    • 12V auxiliary power connection
    • ROPS cab, insulated/sound suppressed
    • Hoist, body control (electric)
    • Stairway and walkway access, 600 mm (24 in)
    • Steering wheel, tiltable, telescopic
    • Windshield wiper, intermittent control
    • Self-filling to windshield washer fluid from AC condensate
  • Fluids
    • Extended Life Coolant, –35° C (–30° F)
  • Technology Products
    • Product Link Elite
  • Other Standard Equipment
    • Turbine air starter with air tank, air horn and automatic lubrication system
    • Auxiliary “buddy” dumping quick connect
    • Auxiliary steering quick connect (towing)
    • Hydraulic Filters, 1,000 hours
    • Guards for rotating components
    • Fast fill fuel and DEF remote fill system
    • Secondary steering (automatic)
    • Tie off points
    • Tow hooks (front) and tow pin (rear)
    • Vital Information Management System (VIMS)
    • Auxiliary connection ‘user defined shutdown'
    • Sight glasses for hydraulic oils
    • S∙O∙SSM ports
  • Power Train
    • Quick change rims
    • 36R51 larger tire power train arrangement
    • Prelube, engine
    • Rear axle cooler
    • Clutch control, variable speed cooling fan
  • Body
    • MSD volume: 99 m3 (130 yd3)
    • MSD II body: 100 m3 (131 yd3)
    • Dual slope body: 78 m3 (102 yd3)
    • Body specific side wall and tail extensions
    • Customizable body liner packages
    • Body heat exhaust
    • Rock ejectors
    • Rear body lighting group
      • Directional signals
      • Stop/tail lights
  • Electrical
    • Electronic Throttle Lock
    • Digital Payload Display
    • Auxiliary rear work lights, (one) RH side, (one) LH side
    • No air – electric starter with 93-amp hour batteries (four), electric horn and automatic lubrication system
  • Other Attachments
    • Fire Suppression System – ANSUL® LVS
    • Powered access stairway
    • Fuel heater, fuel water separator
    • Road Analysis Control (RAC)
    • Cold weather start (block heater)
    • Ground accessible fluid service center, hydraulic and coolant
    • Bumper towing – center pin kit
    • Communication Ar – Minestar radio
    • Miscellaneous:
      • Fire extinguisher, portable
      • Hub odometer, kilometers
      • Wheel chocks
      • Gauge, brake wear indicator
      • Five piece crankcase guards
      • Working at heights protection
  • Antifreeze
    • Coolant, –50° C (–58° F)

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