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785 Mining Truck (LRC, Tier 4 Final / EU Stage V)
Nominal Rated Payload (33.00R51 Tires)
153 ton (US)
139 t
Rated Gross Machine Weight (33.00R51 tires)
550,000 lb
249,476 kg
Gross Power - SAE J1995
1,600 HP
1,193 kW
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SPECIFICATIONS
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.
Body Hoists
Type
Twin, two-stage hydraulic cylinders with snubbing valve.
Pump Flow - High Idle
192.7 gal/min
729.6 l/min
Relief Valve Setting - Raise
2,500 psi
17,238 kPa
Body Raise Time - High Idle
15.2 s
15.2 s
Body Lower Time - Float High Idle
15.9 s
15.9 s
Body Lower Time - Float Low Idle
16.2 s
16.2 s
Body Power Down- High Idle
15.9 s
15.9 s
Braking System
Service Brakes
Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Front Wet Disc Brake Surface Area
9,487 in²
61,270 cm²
Rear - Wet Disc Brake Surface Area
13,908 in²
89,728 cm²
Standards
Service and Secondary: ISO 3450:2011
Parking Brake
Four corner, multi disc, spring applied, hydraulically released
Cab
Air Conditioning
HFC - 134A refrigerant: 24,500 Btu/h
Heater / Defroster
33,300 Btu/h
33,300 Btu/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 for Operator and ISO 13459:2012 Level II for Trainer.
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.
Dimensions (All dimensions are approximate. MSD II Body, 33R51 tires, unloaded machine.)
Height - Top of ROPS
17.09 ft
5,208 mm
Overall Body Length
39.32 ft
11,985 mm
Inside Body Length
27.29 ft
8,318 mm
Overall Length
39.23 ft
11,957 mm
Wheel Base
17 ft
5,180 mm
Rear Axle - Tail
12.56 ft
3,829 mm
Ground Clearance
3.29 ft
1,004 mm
Dump Clearance
3.7 ft
1,128 mm
Loading Height - Empty
17.39 ft
5,299 mm
Inside Body Depth - Maximum
9.15 ft
2,790 mm
Overall Height - Body Raised
39.48 ft
12,032 mm
Operating Width
24.72 ft
7,535 mm
Centerline Front Tire Width
15.91 ft
4,850 mm
Engine Guard Clearance
3.41 ft
1,038 mm
Overall Canopy Width
24.81 ft
7,562 mm
Outside Body Width
22 ft
6,714 mm
Inside Body Width
19.72 ft
6,010 mm
Front Canopy Height
19.8 ft
6,035 mm
Rear Axle - Clearance
3.25 ft
990 mm
Centerline of Rear Dual Tire Width
14.06 ft
4,285 mm
Overall Tire Width
20.59 ft
6,277 mm
Engine
Gross Power - SAE J1995
1,600 HP
1,193 kW
Net Power - SAE J1349
1,509 HP
1,125 kW
Engine Model
Cat® 3512E
Emissions Rating
Fuel Optimized
Bore
6.7 in
170 mm
Stroke
8.5 in
215 mm
Displacement
3,573 in³
58.56 l
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
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
Service Refill Capacities
Fuel Tank
410 gal (US)
1,552 l
Diesel Exhaust Fluid Tank
36 gal (US)
136 l
Cooling System
100 gal (US)
379 l
Crankcase
54 gal (US)
204 l
Front Wheels - Each
8 gal (US)
30 l
Differential - Final Drives
139 gal (US)
527 l
Steering Tank
29 gal (US)
110 l
Steering System - Includes Tank
45 gal (US)
170 l
Brake/Hoist Tank
135 gal (US)
511 l
Brake Hoist System - Includes Tank
160 gal (US)
606 l
Torque Converter - Transmission System - Including Sump
46 gal (US)
175 l
Steering
Steer Angle
36 °
36 °
Turning Diameter - ISO 7457:1997 (33.00R51 tires)
97.75 ft
29.8 m
Steering Standards
ISO 5010:2007
Suspension
Type
Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments
Effective Cylinder Stroke - Front
12.6 in
320 mm
Effective Cylinder Stroke - Rear
6.5 in
165 mm
Rear axle - Oscillation
+/- 5 degrees
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.
Transmission
Forward - 1
7.5 mile/h
12.1 km/h
Forward - 2
10.2 mile/h
16.3 km/h
Forward - 3
13.8 mile/h
22.2 km/h
Forward - 4
18.6 mile/h
29.9 km/h
Forward - 5
25.2 mile/h
40.6 km/h
Forward - 6
34 mile/h
54.8 km/h
Reverse
6.8 mile/h
11 km/h
Top Speed - Loaded
34 mile/h
54.8 km/h
Note
Maximum travel speeds with standard 33.00-R51 tires.
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.
Weights - Approximate
Nominal Rated Payload (33.00R51 Tires)
153 ton (US)
139 t
Rated Gross Machine Weight (33.00R51 tires)
550,000 lb
249,476 kg
Nominal Rated Payload (36.00R51 Tires)
157 ton (US)
142 t
Rated Gross Machine Weight (36.00R51 tires)
564,000 lb
255,826 kg
Chassis Weight (33.00R51 Tires)
186,799 lb
84,731 kg
Chassis Weight (36.00R51 Tires)
193,192 lb
87,631 kg
Body Weight
57,779 lb
26,208 kg
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.
- 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
- 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)
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