Piscataway Campus
Bensalem Campus

Mining Trucks

785 Mining Truck (LRC, Tier 4 Final / EU Stage V)

  • Gross Power
    1600 HP
  • Net Power
    1509 HP
  • Engine Model
    Cat® 3512E
  • Emissions Rating
    Fuel Optimized
Gross Power
1600 HP
Net Power
1509 HP
Engine Model
Cat® 3512E
Emissions Rating
Fuel Optimized
6.7 in
8.5 in
3573 in³
Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.
U.S. EPA Tier 4 Final / EU Stage V available for applicable markets.
Additional fuel optimized selectable power ratings: 1,450 hp
Weights - Approximate
Nominal Rated Payload
153 ton (US)
Rated Gross Machine Weight
550000 lb
Nominal Rated Payload
157 ton (US)
Rated Gross Machine Weight
564000 lb
Chassis Weight
186799 lb
Chassis Weight
193192 lb
Body Weight
57779 lb
Consult your tire manufacturer for maximum tire load
Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires.
Body weight varies depending on body selection and configuration.
Weight Distributions - Approximate
Front Axle
Rear Axle
Front Axle
Rear Axle
Weight distributions optimized with Cat body.
Final Drives
Double reduction, planetary with full floating axles.
Differential Ratio
Planetary Ratio
Total Reduction Ratio
7.5 mile/h
10.2 mile/h
13.8 mile/h
18.6 mile/h
25.2 mile/h
34 mile/h
6.8 mile/h
Top Speed
34 mile/h
Maximum travel speeds with standard 33.00-R51 tires.
Standard Tire
Optional Tire
610 mm (24") Rims (standard). 660 mm (26") Rims (optional).
Quick Change Rims optional.
Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.
Braking System
Service Brakes
Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Front Wet Disc Brake Surface Area
9487 in²
13908 in²
Service and Secondary: ISO 3450:2011
Parking Brake
Four corner, multi disc, spring applied, hydraulically released
Capacity - MSD II - 100% Fill Factor
72 m^3 / 94 yd^3
99 m^3 / 129 yd^3
Consult your local Cat dealer for body recommendations.
Body Hoists
Twin, two-stage hydraulic cylinders with snubbing valve.
Pump Flow
192.7 gal/min
Relief Valve Setting
2500 psi
Body Raise Time
15.2 s
Body Lower Time
15.9 s
Body Lower Time
16.2 s
Body Power Down
15.9 s
Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments
Effective Cylinder Stroke
12.6 in
Effective Cylinder Stroke
6.5 in
Rear axle
+/- 5 degrees
Service Refill Capacities
Fuel Tank
410 gal (US)
Diesel Exhaust Fluid Tank
36 gal (US)
Cooling System
100 gal (US)
54 gal (US)
Front Wheels
8 gal (US)
139 gal (US)
Steering Tank
29 gal (US)
Steering System
45 gal (US)
135 gal (US)
Brake Hoist System
160 gal (US)
Torque Converter
46 gal (US)
Air Conditioning
HFC - 134A refrigerant: 24,500 Btu/h
33300 Btu/h
The operator sound pressure level, 77 dB(A) with direct drive and 75 dB9A) with optional clutch, tested to ISO 6396:2008.
ROPS Standards
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.
Steer Angle
36 °
Turning Diameter
97.75 ft
Steering Standards
ISO 5010:2007
Dimensions (All dimensions are approximate. MSD II Body, 33R51 tires, unloaded machine.)
17.09 ft
Overall Body Length
39.32 ft
Inside Body Length
27.29 ft
Overall Length
39.23 ft
Wheel Base
17 ft
Rear Axle
12.56 ft
Ground Clearance
3.29 ft
Dump Clearance
3.7 ft
Loading Height
17.39 ft
Inside Body Depth
9.15 ft
Overall Height
39.48 ft
Operating Width
24.72 ft
Centerline Front Tire Width
15.91 ft
Engine Guard Clearance
3.41 ft
Overall Canopy Width
24.81 ft
Outside Body Width
22 ft
Inside Body Width
19.72 ft
Front Canopy Height
19.8 ft
Rear Axle
3.25 ft
Centerline of Rear Dual Tire Width
14.06 ft
Overall Tire Width
20.59 ft
Dimensions (Approximate)
Rear Sidewall Height
2.87 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 payload indicator lamps
    • LED Lighting system: Back-up 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
    • Extended Life Coolant to — 35° C (— 30° F)
    • 5V USB charging port
    • 12V auxiliary power connection
    • Cup holders
    • Diagnostic connection port COM3 and Ethernet
    • Delayed Engine Shutdown
    • Dome courtesy light and map lights
    • Entertainment radio ready: Speakers, Optional Antenna (AM/FM/WB/satellite radio), Radio mounting provisions and 12V power supply
    • Fire suppression ready
    • Floor mat, multi-piece & replaceable
    • Gauges and indicators panel: Critical oil and coolant temperatures; Fuel and DEF level (if applicable); Engine system, brake and transmission fault indicators; Operator selectable max. machine speed by rotary dial; Speedometer, Tachometer
    • Heated mirrors, right and left
    • Hoist, body control
    • Interactive touchscreen vehicle information display: Day/night mode; Action alarm; Quad gauge display
    • Operator and trainer air suspension seats
    • Operator Door Power Window
    • Provision for customer accessory mounting
    • Push button secure start
    • Retractable front visor
    • ROPS cab, insulated/sound suppressed
    • Stairway and walkway access, 600 mm (24 in)
    • Steering wheel, tiltable, telescopic
    • Self-filling to windshield washer fluid from AC condensate
    • Storage locations for operator gear
    • Three point seat belt for operator seat
    • Windshield wiper, intermittent control / washer
    • Unitized hydraulic powered HVAC with automatic temperature control
    • Ventilated operator seat
    • 33R51 power train with standard rims
    • Cat 3512E engine: Automatic engine and DEF thermal management (if applicable); 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 (ARC), adjustable and automatic; Brake release motor (towing); Engine over speed protection; Extended life brake disc material; Hill start assist/Anti roll back strategy; Oil-cooled, multi-disc (front and rear) — Service, retarding, parking, secondary; Park brake integrated with gear selector
    • 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
    • Turbine air starter with air tank, air horn and automatic lubrication system
    • Auxiliary "buddy" dumping quick connect
    • Auxiliary connection 'user defined shutdown'
    • Auxiliary steering quick connect (towing)
    • eOMM
    • Fast fill fuel and DEF remote fill system
    • Guards for rotating components
    • Hill Start Assist
    • Hydraulic Filters, 1,000 hours
    • Remote flash software and troubleshooting
    • Secondary steering (automatic)
    • Tie off points
    • Tow hooks (front) and tow pin (rear)
    • Sight glasses for hydraulic oils
    • SOS℠ ports
    • Vital Information Management System (VIMS)
  • Cat Technology Products
    • Cyber security
    • Integrated object detection system with touchscreen display
    • Tire Payload Monitoring System 2 (TPMS 2)
    • Product Link Elite
    • Auxiliary rear work lights, (one) LH side
    • Digital Payload Display
    • LED Lighting system: Additional lighting package, Auxiliary VIMS, Body rear, Seat & park brake
    • Workshop horn
  • Truck bodies
    • 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
    • Extended Life Coolant to — 50° C (— 58° F)
    • Emergency stop
    • Deluxe Cab: Advanced cabin filtration system; Catwalk and handrails for rear cab access; Heated, cooled and ventilated front seat; Power right side window; Suspended companion seat; Storage tray
    • No air – electric starter with 93-amp hour batteries (four), electric horn and automatic lubrication system
    • Hydraulic braking system: Advanced ground control with Anti-lock Braking System (ABS) and Dynamic Stability Control (DSC)
    • Variable speed fan drive
    • Transmission: Engine pre-lubrication system; Rear axle continuous lubrication/filtration with cooler
    • 2560 L (676 gal) fuel tank (non-Tier 4)
    • Body heat exhaust
    • Bumper towing – center pin kit
    • Cold weather start (block heater)
    • Communication Ar – Minestar radio
    • Fire extinguisher, portable
    • Five piece crankcase guards
    • Fuel heater, fuel water separator
    • Fuel tank mud guard
    • Gauge, brake wear indicator
    • Ground accessible fluid service center, hydraulic and coolant
    • Hub odometer, kilometers
    • Powered access stairway
    • Rim Diffuser
    • Wheel chocks
    • Wireless Electronic Technician (ET)
    • Working at heights protection
  • Cat Technology Products
    • Cruise control
    • 360 degree surround view camera
    • 4G cellular/satellite dual mode
    • Connectivity bundle (includes: wireless operator ID, bluetooth key FOB to start)
    • Driver Safety System (DSS) 4.0 Ready
    • Minestar GPS
    • Minestar communication group (enables: Minestar Fleet, Aux, and Truck Spotting)
    • Oil Renewal System (ORS) (non-Tier 4)
    • Road Analysis Control (RAC)