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

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

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 ...
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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
Engine Model
Cat 3512E
Net Power - SAE J1349
1509hp
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
223gal/min
Relief Valve Setting - Raise
2500psi
Body Raise Time - High Idle
15s
Body Lower Time - Float
15.6s
Body Power Down- High Idle
15.5s

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
+/- 5.4 degrees

Service Refill Capacities

Fuel Tank
410gal (US)
Diesel Exhaust Fluid Tank
36gal (US)
Cooling System
126gal (US)
Crankcase
54gal (US)
Front Wheels - Each
7.1gal (US)
Differential - Final Drives
139gal (US)
Steering Tank
29gal (US)
Steering System - Includes Tank
31gal (US)
Brake/Hoist Tank
135gal (US)
Brake Hoist System - Includes Tank
143gal (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
25.1°
Turning Diameter - ISO 7457:1997 (33.00R51 tires)
96.6ft
Steering Standards
ISO 5010:2019

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
7.4mile/h
Forward - 2
10mile/h
Forward - 3
13.7mile/h
Forward - 4
18.5mile/h
Forward - 5
25mile/h
Forward - 6
35.6mile/h
Reverse
7.2mile/h
Top Speed - Loaded
35.6mile/h
Note
Maximum travel speeds with standard 33.00-R51 tires.