785G Mining Truck

785G Mining Truck

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Operating Specifications

Nominal Payload Capacity
146ton (US)
Note (1)
GMW depends on tire selection. Consult your tire manufacturer for maximum loaded top speed.
Gross Machine Operating Weight (GMW) (33R51 tires)
550000lb
Gross Machine Operating Weight (GMW) (36R51 tires)
564000lb
Nominal Payload Capacity (33.00R51 tires)*
146ton (US)
Nominal Payload Capacity (36.00R51 tires)*
148ton (US)
Note (3)
*Includes standard liners and MSD II (Mine Specific Design) body.
Note (2)
Refer to the Cat Mining Truck 10/10/20 Overload Policy (AEXQ0250) for maximum gross machine weight limitations.

Engine

Engine Model
Cat 3512E HD
Gross Power - SAE J1995
1600HP
Bore
6.7in
Stroke
8.5in
Displacement
3573in³
Note (2)
No engine derating required up to 2987 m (9800 ft) altitude per standard conditions.
Note (1)
Power rating conditions: – At 1,650 rpm rated speed based on SAE J1995:2014 standard air inlet conditions of 25° C (77° F) and 99 kPa (29.31 in Hg) dry barometric pressure. – Based on fuel of 35° API gravity (at 15.6° C or 60° F) having a LHV of 42 780 kJ
Gross Power - SAE J1995:2014
1600HP
Emissions
Meets U.S. EPA Tier 4 Final emissions standards.
Note (3)
Selectable 1,450 hp configuration.

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
Total Final Drive Reduction Ratio
22.75:1
Note
Maximum travel speeds with standard 33.00-R51 tires.

Service Refill Capacities

Cooling System
100gal (US)
Steering Tank
29gal (US)
Steering System - Includes Tank
45gal (US)
Fuel Tank
410gal (US)
Engine Crankcase
54gal (US)
Differential - Final Drives
139gal (US)
DEF Tank
36gal (US)
Brake Hoist System - Includes Tank
160gal (US)
Brake/Hydraulic Tank
135gal (US)
Note (1)
Separate steering system and separate torque converter/transmission system prevents cross contamination.
Note (2)
Contact your local Cat dealer for DEF infrastructure recommendations.
Torque Converter - Transmission System - Including Sump
46gal (US)

Body Hoists

Note (2)
Power raise in both stages; power down in second stage.
Note (1)
Twin, two-stage hydraulic cylinder mounted outside main frame; double-acting cylinders in second stage.
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
Note (3)
Automatic body lower modulation reduces impact on frame.

ROPS

ROPS Standards
ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS and ISO 13459:2012 criteria.
FOPS Standards
FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 and ISO 13459:2012 Level II criteria.

Weight Distributions - Approximate

Rear Axle - Empty
52%
Front Axle - Empty
48%
Front Axle - Loaded - Target
33%
Rear Axle - Loaded - Target
67%

Braking System

Standards
ISO 3450:2011
Brake Surface - Front
9487in²
Brake Surface - Rear
13908in²
Note
Oil cooled four corner hydraulic actuated disc brakes.

Weights - Approximate

Empty Operating Chassis Weight
186661lb
Body Weight Range
21 275 kg-30 623 kg (46,903 lb-67,512 lb)
Note (1)
Chassis weight includes standard mandatory attachments, 33R51 tires, all operating fluid levels full and 100% fuel.
Note (2)
Estimated weight of debris is not included in operating chassis weight.
Note (3)
Body weight varies depending on body selection and configuration.

Suspension

Cylinder Stroke - Front
12.6in
Cylinder Stroke - Rear
6.5in

Sound

Cooling Fan Drive - Direct Drive - Operator Sound Level (ISO 6396:2008)
77dB(A)
Cooling Fan Drive - Direct Drive - Machine Sound Level (ISO 6395:2008)
121dB(A)
Cooling Fan Drive - Optional Clutch - Operator Sound Level (ISO 6396:2008)
75dB(A)
Cooling Fan Drive - Optional Clutch - Machine Sound Level (ISO 6395:2008)
120dB(A)
Note (1)
Testing done per specified standard work cycle procedures and conditions with 50% HVAC blower fan speed. Optional clutch control fan measurement done at 70% of maximum engine cooling fan speed.
Note (2)
Hearing protection may be needed when operating with an open operator station/cab (when not properly maintained or doors/windows open) for extended periods or in a noisy environment.

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
Rear Sidewall Height
2.87ft
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

Tires

Optional Tire
36.00R51 (Michelin and Bridgestone)
Note (1)
Productive capabilities of the 785G truck are such that, under certain job conditions, TKPH (TMPH) capabilities could be exceeded and, therefore, limit production.
Note (2)
Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection.
Standard Tire
33.00R51 (E3 and E4)

Body

Standard Dual Slope Weight
51892lb
Standard Dual Slope Volume (SAE 2:1)
102yd³
Standard MSD Weight
46711lb
Standard MSD Volume (SAE 2:1)
130yd³
Note (1)
Body weight only. Does not include liners.
Note (2)
Contact your local Cat dealer for site specific body recommendations.

Steering

Turning Diameter - ISO 7457:1997 (33.00R51 tires)
97.75ft
Machine Clearance Diameter - ISO 7457:1997 (33.00R51 tires)
108.92ft
Steering Angle
36 degrees
Steering Standards
ISO 5010:2007

Performance

The 785G 3512E HD engine gives you the choice of power ratings: 1,450 hp to match your current fleet performance or 1,600 hp for faster cycle times. Advanced Productivity Electronic Control Strategy for Transmission delivers a smoother ride, better acceleration and gear optimization.

Safety

Standard Cat® Detect system, LED lighting, 600 mm (24 in) wide walkways, guarding of rotating components and hydraulic brake system with enhanced traction control system. Optional Working at Heights and Powered Access stairway.

Serviceability

Modular HVAC system, modular radiator, improved ground level serviceability, oil sight glass, 1,000 hour hydraulic filter, and Tier 4 SCR system improves serviceability and reduces downtime.

Operator Environment

New, quieter and larger, ergonomic deluxe cab. Electronic transmission controls and Cat comfort seats provides a smoother ride. Full size trainer door and improved head clearance on platform.

Operating Cost

Improved 3512E HD engine meets U.S. EPA Tier 4 Final emission standards, and the features Cat Selective Catalytic Reduction (SCR) system that provides the least Total Fluid Consumption cost with greater reliability.

Tire Options

With 36R51 tire option, particularly flat long haul high speed applications can take advantage of higher payload and higher TKPH.

Standard Equipment:

Optional Equipment:

    Power Train
    • Quick change rims
    • 36R51 larger tire power train arrangement
    • Prelube, engine
    • Rear axle cooler
    • Clutch control, variable speed cooling fan
    Body
    • MSD volume: 99 m3 (130 yd3)
    • 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
    Electrical
    • Electronic Throttle Lock
    • Digital Payload Display
    • Auxiliary rear work lights, (one) RH side, (one) LH side
    • No air – electric starter with 93-amp hour batteries (four), electric horn and automatic lubrication system
    Other Attachments
    • Fire Suppression System – ANSUL® LVS
    • Powered access stairway
    • Fuel heater, fuel water separator
    • Road Analysis Control (RAC)
    • Cold weather start (block heater)
    • Ground accessible fluid service center, hydraulic and coolant
    • Bumper towing – center pin kit
    • Communication Ar – Minestar radio
    • Miscellaneous:
      • Fire extinguisher, portable
      • Hub odometer, kilometers
      • Wheel chocks
      • Gauge, brake wear indicator
      • Five piece crankcase guards
      • Working at heights protection
    Antifreeze
    • Coolant, –50° C (–58° F)