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785G Mining Truck

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    Learn more about the 785G Mining Truck

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    Product Specs

    Engine

    Engine Model Cat® 3512E
    Gross Power - SAE J1995 1600 HP
    Bore 6.7 in
    Stroke 8.5 in
    Displacement 3573 in³
    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/kg (18,390 Btu/lb) when used at 29° C (84.2° F).
    Note (2) No engine derating required up to 2987 m (9800 ft) altitude per standard conditions.
    Note (3) Selectable 1,450 hp configuration.
    Emissions Meets U.S. EPA Tier 4 Final / EU Stage V emissions standards.

    Weights - Approximate

    Nominal Rated Payload 152 ton (US)
    Chassis Weight 186661 lb
    Body Weight - MSD 46738 lb
    Nominal Rated Payload (33.00R51 Tires) 152 ton (US)
    Nominal Rated Payload (36.00R51 Tires) 154 ton (US)
    Rated Gross Machine Weight (33.00R51 tires) 550000 lb
    Rated Gross Machine Weight (36.00R51 tires) 564000 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.
    Note (4) Refer to the Cat Mining Truck 10/10/20 Overload Policy (AEXQ0250) for maximum gross machine weight limitations.

    Tires

    Standard Tire 33.00R51 (E3 and E4)
    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.

    Transmission

    Forward - 1 7.5 mile/h
    Forward - 2 10.2 mile/h
    Forward - 3 13.8 mile/h
    Forward - 4 18.6 mile/h
    Forward - 5 25.2 mile/h
    Forward - 6 34 mile/h
    Reverse 6.8 mile/h
    Total Final Drive Reduction Ratio 22.75:1
    Top Speed - Loaded 34 mile/h
    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 s
    Body Lower Time - Float High Idle 15.9 s
    Body Power Down- High Idle 15.9 s
    Body Lower Time - Float Low Idle 16.2 s
    Note (1) Twin, two-stage hydraulic cylinder mounted outside main frame; double-acting cylinders in second stage.
    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
    Brake Surface - Rear 13908 in²
    Standards ISO 3450:2011
    Note Oil cooled four corner hydraulic actuated disc brakes.

    Weight Distributions - Approximate

    Front Axle - Empty 48%
    Rear Axle - Empty 52%
    Front Axle - Loaded - Target 33%
    Rear Axle - Loaded - Target 67%
    Note Weight distributions optimized with Cat body.

    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.

    Service Refill Capacities

    Fuel Tank 410 gal (US)
    DEF Tank 36 gal (US)
    Cooling System 100 gal (US)
    Engine Crankcase 54 gal (US)
    Differential - Final Drives 139 gal (US)
    Steering Tank 29 gal (US)
    Steering System - Includes Tank 45 gal (US)
    Brake/Hydraulic Tank 135 gal (US)
    Brake Hoist System - Includes Tank 160 gal (US)
    Torque Converter - Transmission System - Including Sump 46 gal (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.

    Steering

    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

    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.

    Sound

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

    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