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

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The 785 Large Mining Truck was Caterpillar’s first entry into the mining industry more than three decades ago and has been a proven performer on sites around the world ever since. And now it’s the first to combine a game-changing level of efficiency with industry-leading physical availability to deliver the next generation of productive hauling. It all starts with the operator, who sits in a state-of-the-art environment designed for efficiency and equipped with features that increase comfort, automate functions, provide real-time information and boost confidence. The 785 also delivers significant improvements in serviceability and reliability, enhanced connectivity and easier technology integration. These improvements — and more — take an already proven truck to the next level of productivity.

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Body Weight 57779lb
Chassis Weight (33.00R51 Tires) 186799lb
Chassis Weight (36.00R51 Tires) 193192lb
Nominal Rated Payload (33.00R51 Tires) 153ton (US)
Nominal Rated Payload (36.00R51 Tires) 157ton (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.
Note (3) Body weight varies depending on body selection and configuration.
Rated Gross Machine Weight (33.00R51 tires) 550000lb
Rated Gross Machine Weight (36.00R51 tires) 564000lb
Bore 6.7in
Displacement 3573in³
Emissions Rating Fuel Optimized
Engine Model Cat® 3512E
Gross Power - SAE J1995 1600HP
Net Power - SAE J1349 1509HP
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.
Note (2) U.S. EPA Tier 4 Final / EU Stage V available for applicable markets.
Note (3) Additional fuel optimized selectable power ratings: 1,450 hp
Stroke 8.5in
Front Axle - Empty 48%
Front Axle - Loaded 33%
Note Weight distributions optimized with Cat body.
Rear Axle - Empty 52%
Rear Axle - Loaded 67%
Differential Ratio 2:10:1
Planetary Ratio 10.83:1
Total Reduction Ratio 22.75:1
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 Tire 36.00R51
Rims 610 mm (24") Rims (standard). 660 mm (26") Rims (optional).
Standard Tire 33.00R51
Front Wet Disc Brake Surface Area 9487in²
Parking Brake Four corner, multi disc, spring applied, hydraulically released
Rear - Wet Disc Brake Surface Area 13908in²
Service Brakes Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Standards Service and Secondary: ISO 3450:2011
Heaped (SAE 2:1) 99 m^3 / 129 yd^3
Note Consult your local Cat dealer for body recommendations.
Struck 72 m^3 / 94 yd^3
Body Lower Time - Float High Idle 15.9s
Body Lower Time - Float Low Idle 16.2s
Body Power Down- High Idle 15.9s
Body Raise Time - High Idle 15.2s
Pump Flow - High Idle 192.7gal/min
Relief Valve Setting - Raise 2500psi
Type Twin, two-stage hydraulic cylinders with snubbing valve.
Effective Cylinder Stroke - Front 12.6in
Effective Cylinder Stroke - Rear 6.5in
Rear axle - Oscillation +/- 5 degrees
Type Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments
Brake Hoist System - Includes Tank 160gal (US)
Brake/Hoist Tank 135gal (US)
Cooling System 100gal (US)
Crankcase 54gal (US)
Diesel Exhaust Fluid Tank 36gal (US)
Differential - Final Drives 139gal (US)
Front Wheels - Each 8gal (US)
Fuel Tank 410gal (US)
Steering System - Includes Tank 45gal (US)
Steering Tank 29gal (US)
Torque Converter - Transmission System - Including Sump 46gal (US)
Air Conditioning HFC - 134A refrigerant: 24,500 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 33300Btu/h
Note The operator sound pressure level, 77 dB(A) with direct drive and 75 dB9A) with optional clutch, tested to ISO 6396:2008.
ROPS Standards (1) ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer.
Steer Angle 36°
Steering Standards ISO 5010:2007
Turning Diameter - ISO 7457:1997 (33.00R51 tires) 97.75ft
Centerline Front Tire Width 15.91ft
Centerline of Rear Dual Tire Width 14.06ft
Dump Clearance 3.7ft
Engine Guard Clearance 3.41ft
Front Canopy Height 19.8ft
Ground Clearance 3.29ft
Height - Top of ROPS 17.09ft
Inside Body Depth - Maximum 9.15ft
Inside Body Length 27.29ft
Inside Body Width 19.72ft
Loading Height - Empty 17.39ft
Operating Width 24.72ft
Outside Body Width 22ft
Overall Body Length 39.32ft
Overall Canopy Width 24.81ft
Overall Height - Body Raised 39.48ft
Overall Length 39.23ft
Overall Tire Width 20.59ft
Rear Axle - Clearance 3.25ft
Rear Axle - Tail 12.56ft
Wheel Base 17ft
Forward - 1 7.5mile/h
Forward - 2 10.2mile/h
Forward - 3 13.8mile/h
Forward - 4 18.6mile/h
Forward - 5 25.2mile/h
Forward - 6 34mile/h
Note Maximum travel speeds with standard 33.00-R51 tires.
Reverse 6.8mile/h
Top Speed - Loaded 34mile/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 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
  • Fluids
    • Extended Life Coolant to — 35° C (— 30° F)
  • Operator Environment
    • 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
  • Power Train
    • 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
  • Other Equipment
    • 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

Optional Equipment:

  • Electrical
    • 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
  • Fluids
    • Extended Life Coolant to — 50° C (— 58° F)
  • Operator Environment
    • 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
  • Power Train
    • 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
  • Other Equipment
    • 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)
Renee HerndonRenee Herndon
21:55 29 Feb 24
Dalton was very helpful, The road construction, however, was not! 😂I would rather have to sand paper an alligators @$$ in a phone booth that to get in that mess again.
Michael BirrenMichael Birren
14:58 24 Feb 24
I purchased a used C-15 from a customer of Greg Pool was a running take out. I picked up the engine from the Greg Pool Cat near Nags Head NC. They started they had done all service on this engine stated the hours and all items replaced during the life of engine under their care. I just recently put the engine in my boat after 2 years of building the vessel I find that everything they said about the engine was a LIE!!! Turbo was Bad, After cooler was not updated to the newer version for the C-15 it was missing a terminal Resistor that was clearly stolen off the engine which created a major issue with start up upon installation. Greg Pool Caterpillar stated the hours at 3300 we find out there were 5700 hours. I didn’t do a start up or test run which I regret because i was dealing with a Caterpillar dealer i thought i could trust them. Clearly not Buyers Be Ware if your dealing with Greg Pool Caterpillar in NC. I have 3 of the C-15 engines in my Work boats here in Tampa Fl and my Cat dealership here is Ring power who have done an amazing job to get me going with this Engine. I am very Disappointed in The Caterpillar company for allowing such A dealership to exist.
David LawrenceDavid Lawrence
13:04 22 Feb 24
Brandon PierceBrandon Pierce
22:00 18 Feb 24
Darin NoeDarin Noe
01:17 16 Feb 24
Jose SotoJose Soto
15:26 23 Sep 23
Hunter ElliottHunter Elliott
16:17 07 Sep 23
Rick Kelly-CrapseRick Kelly-Crapse
21:06 25 Aug 23
They had all my parts for my 3208 Cat.Friendly folks at parts counter.