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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Weights - Approximate
- Nominal Rated Payload (33.00R51 Tires)
- 153ton (US)
- Rated Gross Machine Weight (33.00R51 tires)
- 550000lb
- Nominal Rated Payload (36.00R51 Tires)
- 157ton (US)
- Rated Gross Machine Weight (36.00R51 tires)
- 564000lb
- Chassis Weight (33.00R51 Tires)
- 186799lb
- Chassis Weight (36.00R51 Tires)
- 193192lb
- Body Weight
- 57779lb
- 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.
Engine
- Gross Power - SAE J1995
- 1600HP
- Net Power - SAE J1349
- 1509HP
- Engine Model
- Cat� 3512E
- Emissions Rating
- Fuel Optimized
- Bore
- 6.7in
- Stroke
- 8.5in
- Displacement
- 3573in³
- 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
Weight Distributions - Approximate
- Front Axle - Empty
- 48%
- Rear Axle - Empty
- 52%
- Front Axle - Loaded
- 33%
- Rear Axle - Loaded
- 67%
- Note
- Weight distributions optimized with Cat body.
Final Drives
- Type
- Double reduction, planetary with full floating axles.
- Differential Ratio
- 2:10:01
- Planetary Ratio
- 10.83:1
- Total Reduction Ratio
- 22.75:1
Tires
- Standard Tire
- 33.00R51
- Optional Tire
- 36.00R51
- Rims
- 610 mm (24") Rims (standard). 660 mm (26") Rims (optional).
- 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.
Braking System
- Service Brakes
- Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
- Front Wet Disc Brake Surface Area
- 9487in²
- Rear - Wet Disc Brake Surface Area
- 13908in²
- Standards
- Service and Secondary: ISO 3450:2011
- Parking Brake
- Four corner, multi disc, spring applied, hydraulically released
Capacity - MSD II - 100% Fill Factor
- Struck
- 72 m^3 / 94 yd^3
- Heaped (SAE 2:1)
- 99 m^3 / 129 yd^3
- Note
- Consult your local Cat dealer for body recommendations.
Body Hoists
- Type
- Twin, two-stage hydraulic cylinders with snubbing valve.
- Pump Flow - High Idle
- 192.7gal/min
- Relief Valve Setting - Raise
- 2500psi
- Body Raise Time - High Idle
- 15.2s
- Body Lower Time - Float High Idle
- 15.9s
- Body Lower Time - Float Low Idle
- 16.2s
- Body Power Down- High Idle
- 15.9s
Suspension
- Type
- Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments
- Effective Cylinder Stroke - Front
- 12.6in
- Effective Cylinder Stroke - Rear
- 6.5in
- Rear axle - Oscillation
- +/- 5 degrees
Service Refill Capacities
- Fuel Tank
- 410gal (US)
- Diesel Exhaust Fluid Tank
- 36gal (US)
- Cooling System
- 100gal (US)
- Crankcase
- 54gal (US)
- Front Wheels - Each
- 8gal (US)
- Differential - Final Drives
- 139gal (US)
- Steering Tank
- 29gal (US)
- Steering System - Includes Tank
- 45gal (US)
- Brake/Hoist Tank
- 135gal (US)
- Brake Hoist System - Includes Tank
- 160gal (US)
- Torque Converter - Transmission System - Including Sump
- 46gal (US)
Cab
- Air Conditioning
- HFC - 134A refrigerant: 24,500 Btu/h
- 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.
- FOPS Standards
- FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II for Operator and ISO 13459:2012 Level II for Trainer.
Steering
- Steer Angle
- 36°
- Turning Diameter - ISO 7457:1997 (33.00R51 tires)
- 97.75ft
- Steering Standards
- ISO 5010:2007
Dimensions (All dimensions are approximate. MSD II Body, 33R51 tires, unloaded machine.)
- Height - Top of ROPS
- 17.09ft
- Overall Body Length
- 39.32ft
- Inside Body Length
- 27.29ft
- Overall Length
- 39.23ft
- Wheel Base
- 17ft
- Rear Axle - Tail
- 12.56ft
- Ground Clearance
- 3.29ft
- Dump Clearance
- 3.7ft
- Loading Height - Empty
- 17.39ft
- Inside Body Depth - Maximum
- 9.15ft
- Overall Height - Body Raised
- 39.48ft
- Operating Width
- 24.72ft
- Centerline Front Tire Width
- 15.91ft
- Engine Guard Clearance
- 3.41ft
- Overall Canopy Width
- 24.81ft
- Outside Body Width
- 22ft
- Inside Body Width
- 19.72ft
- Front Canopy Height
- 19.8ft
- Rear Axle - Clearance
- 3.25ft
- Centerline of Rear Dual Tire Width
- 14.06ft
- Overall Tire Width
- 20.59ft
Transmission
- 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
- Reverse
- 6.8mile/h
- Top Speed - Loaded
- 34mile/h
- Note
- Maximum travel speeds with standard 33.00-R51 tires.
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
- S�O�S? 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)