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785G Mining Truck Specifications
Engine Model Cat 3512E HD
Engine Model Cat 3512E HD
Gross Power - SAE J1995 1600 hp
Gross Power - SAE J1995 1600 HP

Engine

Engine Model
Cat 3512E HD
Engine Model
Cat 3512E HD
Gross Power - SAE J1995
1600 hp
Gross Power - SAE J1995
1600 HP
Bore
6.7 in
Bore
6.7 in
Stroke
8.5 in
Stroke
8.5 in
Displacement
3573 in3
Displacement
3573 in³
Note
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
Note
No engine derating required up to 2987 m (9800 ft) altitude per standard conditions.
Gross Power - SAE J1995:2014
1600 HP
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
Note (2)
No engine derating required up to 2987 m (9800 ft) altitude per standard conditions.
Emissions
Meets U.S. EPA Tier 4 Final emissions standards.
Note
Selectable 1,450 hp configuration.
Emissions
Meets U.S. EPA Tier 4 Final emissions standards.
Note (3)
Selectable 1,450 hp configuration.

Weights - Approximate

Empty Operating Chassis Weight
186661 lb
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.

Operating Specifications

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

Transmission

Forward 1
7.5 mph
Forward - 1
7.5 mile/h
Forward 2
10.2 mph
Forward - 2
10.2 mile/h
Forward 3
13.8 mph
Forward - 3
13.8 mile/h
Forward 4
18.6 mph
Forward - 4
18.6 mile/h
Forward 5
25.2 mph
Forward - 5
25.2 mile/h
Forward 6
34 mph
Forward - 6
34 mile/h
Reverse
6.8 mph
Reverse
6.8 mile/h
Total Final Drive Reduction Ratio
22.75:1
Note
Maximum travel speeds with standard 33.00-R51 tires.
Note
Maximum travel speeds with standard 33.00-R51 tires.

Suspension

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

Body Hoists

Body Raise Time– High Idle
15.2 Seconds
Note
Twin, two-stage hydraulic cylinder mounted outside main frame; double-acting cylinders in second stage.
Body Lower Time - Float High Idle
15.9 s
Body Lower Time - Float Low Idle
16.2 s
Body Power Down- High Idle
15.9 s
Body Raise Time - High Idle
15.2 s
Note (1)
Twin, two-stage hydraulic cylinder mounted outside main frame; double-acting cylinders in second stage.
Note
Power raise in both stages; power down in second stage.
Note
Automatic body lower modulation reduces impact on frame.
Note (2)
Power raise in both stages; power down in second stage.
Note (3)
Automatic body lower modulation reduces impact on frame.

Braking System

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

Weight Distributions – Approximate

Front Axle – Empty
48%
Rear Axle – Empty
52%

Weight Distributions - Approximate

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

Service Refill Capacities

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

ROPS

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

Sound

Cooling Fan Drive - Direct Drive - Operator Sound Level (ISO 6396:2008)
77 dB(A)
Cooling Fan Drive - Direct Drive - Machine Sound Level (ISO 6395:2008)
121 dB(A)
Cooling Fan Drive - Optional Clutch - Operator Sound Level (ISO 6396:2008)
75 dB(A)
Cooling Fan Drive - Optional Clutch - Machine Sound Level (ISO 6395:2008)
120 dB(A)
Note
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
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.
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.

Steering

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

Weights – Approximate

Note
Chassis weight includes standard mandatory attachments, 33R51 tires, all operating fluid levels full and 100% fuel.
Note
Estimated weight of debris is not included in operating chassis weight.
Note
Body weight varies depending on body selection and configuration.

Dimensions (All dimensions are approximate. MSD II Body, 33R51 tires, unloaded machine.)

Height - Top of ROPS
17.09 ft
Overall Body Length
39.32 ft
Inside Body Length
27.29 ft
Overall Length
39.23 ft
Wheel Base
17 ft
Rear Axle - Tail
12.56 ft
Ground Clearance
3.29 ft
Dump Clearance
3.7 ft
Loading Height - Empty
17.39 ft
Rear Sidewall Height
2.87 ft
Inside Body Depth - Maximum
9.15 ft
Overall Height - Body Raised
39.48 ft
Operating Width
24.72 ft
Centerline Front Tire Width
15.91 ft
Engine Guard Clearance
3.41 ft
Overall Canopy Width
24.81 ft
Outside Body Width
22 ft
Inside Body Width
19.72 ft
Front Canopy Height
19.8 ft
Rear Axle - Clearance
3.25 ft
Centerline of Rear Dual Tire Width
14.06 ft
Overall Tire Width
20.59 ft

Tires

Standard Tire
33.00R51 (E3 and E4)
Optional Tire
36.00R51 (Michelin and Bridgestone)
Note
Productive capabilities of the 785G truck are such that, under certain job conditions, TKPH (TMPH) capabilities could be exceeded and, therefore, limit production.
Note
Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection.
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
51892 lb
Standard Dual Slope Volume (SAE 2:1)
102 yd³
Standard MSD Weight
46711 lb
Standard MSD Volume (SAE 2:1)
130 yd³
Note (1)
Body weight only. Does not include liners.
Note (2)
Contact your local Cat dealer for site specific body recommendations.
  • POWER TRAIN
    • 33R51 power train with standard rims
    • Cat 3512E high displacement Tier 4 Final engine and aftertreatment
      • Automatic engine and DEF thermal management
      • 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, adjustable
      • Oil-cooled, multi-disc (front and rear)
        – Service, retarding, parking, secondary
      • Anti roll back strategy
      • Engine over speed protection
      • Park brake integrated with gear selector
      • Brake release motor (towing)
      • Extended life brake disc material
    • 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
  • ELECTRICAL
    • Jump start/battery charge receptacle
    • Ground accessible power control box
      – Ethernet VIMS port and VIMS lamp
      – Engine starter, transmission and battery lockouts
    • Brushless alternator, 225 amp
    • Alarm, backup
    • 24V electrical system, low maintenance batteries (2) 93 amp-hour
    • LED payload indicator lamps
    • LED lighting system:
      • Backup 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
  • OPERATOR ENVIRONMENT
    • Unitized hydraulic powered HVAC with automatic temperature control
    • Four point seat belt for operator seat
    • Power windows
    • Heated mirrors, right and left
    • Heated and ventilated operator seat
    • Operator and trainer air suspension seats
    • Storage locations for operator gear
    • Provision for customer accessory mounting
    • Diagnostic connection port COM3 and Ethernet
    • Dome courtesy light and map lights
    • Fire suppression ready
    • Delayed Engine Shutdown
    • Integrated object detection system with touchscreen display
    • Interactive touchscreen vehicle information display
      • Day/night mode
      • Action alarm
      • Quad gauge display
    • Gauges and indicators panel:
      • Critical oil and coolant temperatures
      • Fuel and DEF level
      • Engine system, brake and transmission fault indicators
      • Speedometer, Tachometer
    • Entertainment radio ready:
      • Speakers
      • Antenna (AM/FM/WB/satellite radio)
      • Radio mounting provisions and 12V power supply
    • Retractable front visor
    • 12V auxiliary power connection
    • ROPS cab, insulated/sound suppressed
    • Hoist, body control (electric)
    • Stairway and walkway access, 600 mm (24 in)
    • Steering wheel, tiltable, telescopic
    • Windshield wiper, intermittent control
    • Self-filling to windshield washer fluid from AC condensate
  • FLUIDS
    • Extended Life Coolant, –35° C (–30° F)
  • TECHNOLOGY PRODUCTS
    • Product Link Elite
  • OTHER STANDARD EQUIPMENT
    • Turbine air starter with air tank, air horn and automatic lubrication system
    • Auxiliary “buddy” dumping quick connect
    • Auxiliary steering quick connect (towing)
    • Hydraulic Filters, 1,000 hours
    • Guards for rotating components
    • Fast fill fuel and DEF remote fill system
    • Secondary steering (automatic)
    • Tie off points
    • Tow hooks (front) and tow pin (rear)
    • Vital Information Management System (VIMS)
    • Auxiliary connection ‘user defined shutdown'
    • Sight glasses for hydraulic oils
    • S∙O∙SSM ports
  • 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)