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    775 Off-Highway Truck
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    775G Off-Highway Truck Bare Chassis
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    785 Mining Truck (LRC, Tier 4 Final / EU Stage V)
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    Operating Specifications
    Nominal Payload Class (100%) 70.5 ton (US) - -
    Top Speed - Loaded 41.6 mile/h - -
    Maximum Working Payload (110%) 77.5 ton (US) - -
    Target Payload (100%) 70.5 ton (US) - -
    Maximum Allowable Payload (120%)* 84.6 ton (US) - -
    Note (2) * Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations. - -
    Note (1) Capacity with Dual Slope body – no liner. - -
    Body Capacity - SAE 2:1 55.23 yd³ - -
    Nominal Water Tank Capacity - 15000 gal (US) -

    Engine
    Engine Model Cat® C27 Cat® C27 Cat 3512E
    Rated Engine Speed 1800 r/min - -
    Gross Power - SAE J1995:2014 825 hp - -
    Net Power - SAE J1349:2011 768 hp - -
    Net Power - 80/1269/EEC 775 hp - -
    Net Power - ISO 9249 775 hp - -
    Bore 5.4 in 5.4 in 6.7 in
    Stroke 6 in 6 in 8.5 in
    Displacement 1648 in³ 1648 in³ 3573 in³
    Engine Power - ISO 14396 812 hp - -
    Note (2) Ratings based on SAE J1995 standard air conditions of 25° C (77° F) and 100 kPa (29.61 Hg) barometer. Power based on fuel having API gravity of 35 at 16° C (60° F) and an LHV of 42 780 kJ/kg (18,390 BTU/lb) when engine used at 30° C (86° F). - U.S. EPA Tier 4 Final / EU Stage V available for applicable markets.
    Net Torque 3148 ft-lb - -
    Peak Torque - Speed 1200 r/min - -
    Note (1) Power rating applies at 2,000 rpm when tested under the specified condition for the specified standard. - Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.
    Note (3) No engine derating required up to 3810 m (12,500 ft) for Tier 2 Equivalent. - Additional fuel optimized selectable power ratings: 1,450 hp
    Emissions Meets EU Stage V emission standards. - -
    Gross Power - SAE J1995 - 825 hp 1600 hp
    Rated Net Power - SAE J1349 - 683 hp -
    Note - Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator. Specifications shown are for LRC model. -
    Net Power - SAE J1349 - - 1509 hp
    Emissions Rating - - Fuel Optimized

    Capacity - Dual Slope - 100% Fill Factor
    Struck 42.7 yd³ - -
    Heaped (SAE 2:1)* 55.5 yd³ - -
    Note (1) Contact your local Cat dealer for body recommendation. - -
    Note (2) *ISO 6483:1980 - -

    Capacity - Flat Floor - 100% Fill Factor
    Struck 42.2 yd³ - -
    Heaped (SAE 2:1)* 55.2 yd³ - -
    Note (1) Contact your local Cat dealer for body recommendation. - -
    Note (2) *ISO 6483:1980 - -

    Weight Distributions - Approximate
    Front Axle - Empty 50 % - 48%
    Front Axle - Loaded 34 % - 33%
    Rear Axle - Empty 50 % - 52%
    Rear Axle - Loaded 66 % - 67%
    Note - - Weight distributions optimized with Cat body.

    Transmission
    Forward - 1 6.6 mile/h 6.6 mile/h 7.4 mile/h
    Forward - 2 9.3 mile/h 9.3 mile/h 10 mile/h
    Forward - 3 12.6 mile/h 12.6 mile/h 13.7 mile/h
    Forward - 4 16.8 mile/h 16.8 mile/h 18.5 mile/h
    Forward - 5 22.8 mile/h 22.8 mile/h 25 mile/h
    Forward - 6 30.7 mile/h 30.7 mile/h 35.6 mile/h
    Forward - 7 41.6 mile/h 41.6 mile/h -
    Reverse 8.7 mile/h 8.7 mile/h 7.2 mile/h
    Note Maximum travel speeds with standard 24.00R35 (E4) tires. Maximum travel speeds with standard 24.00R35 (E4) tires Maximum travel speeds with standard 33.00-R51 tires.
    Top Speed - Loaded - - 35.6 mile/h

    Final Drives
    Differential Ratio 3.64:1 - 2:10:01
    Planetary Ratio 4.80:1 - 10.83:1
    Total Reduction Ratio 17.49:1 - 22.75:1
    Type - - Double reduction, planetary with full floating axles.

    Brakes
    Brake Surface - Front 257 in² 257 in² -
    Brake Surface - Rear 9497 in² 9497 in² -
    Brake Standards ISO 3450:2011 - -

    Service Refill Capacities
    Fuel Tank 210 gal (US) - 410 gal (US)
    Cooling System 45 gal (US) 45 gal (US) 126 gal (US)
    Differential - Final Drives 38 gal (US) 38 gal (US) 139 gal (US)
    Steering Tank 9.5 gal (US) - 29 gal (US)
    Steering System - Including Tank 14 gal (US) 14 gal (US) -
    Brake Hoist System 85 gal (US) 85 gal (US) -
    Torque Converter - Transmission System - LRC 16 gal (US) - -
    Crankcase 24 gal (US) 24 gal (US) 54 gal (US)
    Brake/Hoist Hydraulic Tank 46.5 gal (US) 46.5 gal (US) -
    Torque Converter - Transmission System - HRC 18 gal (US) - -
    Fuel Tank Capacity - 210 gal (US) -
    Diesel Exhaust Fluid Tank - - 36 gal (US)
    Front Wheels - Each - - 7.1 gal (US)
    Steering System - Includes Tank - - 31 gal (US)
    Brake/Hoist Tank - - 135 gal (US)
    Brake Hoist System - Includes Tank - - 143 gal (US)
    Torque Converter - Transmission System - Including Sump - - 46 gal (US)

    Body Hoists
    Pump Flow - High Idle 118 gal/min - 223 gal/min
    Relief Valve Setting - Raise 2502 psi - 2500 psi
    Relief Valve Setting - Lower 500 psi - -
    Body Raise Time - High Idle 10 s - 15 s
    Body Lower Time - Float 14 s - 15.6 s
    Body Power Down - High Idle 14 s - -
    Type - - Twin, two-stage hydraulic cylinders with snubbing valve.
    Body Power Down- High Idle - - 15.5 s

    Weights - Approximate
    Maximum Gross Vehicle Weight 246503 lb - -
    Nominal Rated Payload (36.00R51 Tires) - - 162 ton (US)
    Rated Gross Machine Weight (36.00R51 tires) - - 564000 lb
    Nominal Rated Payload (33.00R51 Tires) - - 158 ton (US)
    Rated Gross Machine Weight (33.00R51 tires) - - 550000 lb
    Chassis Weight (33.00R51 Tires) - - 186799 lb
    Chassis Weight (36.00R51 Tires) - - 193192 lb
    Body Weight - - 57779 lb
    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.

    Suspension
    Empty Loaded Cylinder Stroke Front 9.2 in - -
    Rear Axle - Oscillation 8.1° - -
    Empty Loaded Cylinder Stroke Rear 5.8 in - -
    Type - - Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments
    Effective Cylinder Stroke - Front - - 12.6 in
    Effective Cylinder Stroke - Rear - - 6.5 in
    Rear axle - Oscillation - - +/- 5.4 degrees

    Tires
    Note (2) Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection. - Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.
    Note (1) Productive capabilities of the 775G truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production. - Quick Change Rims optional.
    Standard Tire 24.00R35 (E4) - 33.00R51
    Optional Tire - - 36.00R51
    Rims - - 610 mm (24") Rims (standard). 660 mm (26") Rims (optional).

    ROPS
    FOPS Standards Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria. - -
    ROPS Standards Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria. - -
    Tractor ROPS - 85288 lb -

    Sound
    Sound Standards (1) The operator Equivalent Sound Pressure Level (Leq) is 76 dB(A) when SAE J1166 FEB2008 is used to measure the value for an enclosed cab. This is a work cycle sound exposure level. The cab was properly installed and maintained. The test was conducted with t - -
    Sound Standards (2) The exterior sound pressure level for the standard machine measured at a distance of 15 m (49 ft) according to the test procedures specified in SAE J88:2008, mid‑gear moving operation is 86 dB(A). - -
    Sound Standards (3) Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in a noisy environment. - -
    Sound Standards - - The operator sound pressure level, 77 dB(A) with direct drive and 75 dB9A) with optional clutch, tested to ISO 6396:2008.

    Steering
    Turning Diameter - Front 77.1 ft - -
    Steering Standards ISO 5010:2007 ISO 5010:2007 ISO 5010:2019
    Steer Angle 31 ° 31 ° 25.1 °
    Turning Circle - Clearance Diameter 85.6 ft 85.6 ft -
    Turning Diameter - 77.1 ft -
    Turning Diameter - ISO 7457:1997 (33.00R51 tires) - - 96.6 ft

    Sustainability
    Recyclability 98% - -

    Weights
    LRC Bare Chassis Weight without Hoist - 75118 lb -
    LRC Bare Chassis Weight with Hoist - 76326 lb -
    LRC Gross Vehicle Weight (Target) without Hoist - 246503 lb -
    LRC Gross Vehicle Weight (Target) with Hoist - 246503 lb -
    HRC Bare Chassis Weight without Hoist - 76573 lb -
    HRC Bare Chassis Weight with Hoist - 77781 lb -
    HRC Gross Vehicle Weight (Target) without Hoist - 246503 lb -
    HRC Gross Vehicle Weight (Target) with Hoist - 246503 lb -
    Note - LRC model is offered for lesser regulated countries. HRC model is offered for highly regulated countries. U.S. EPA Tier 4 Final / EU Stage V available for applicable markets. -

    Braking System
    Service Brakes - - Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
    Front Wet Disc Brake Surface Area - - 9487 in²
    Rear - Wet Disc Brake Surface Area - - 13908 in²
    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.

    Cab
    Air Conditioning - - HFC - 134A refrigerant: 24,500 Btu/h
    Heater / Defroster - - 33300 Btu/h
    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.

    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
    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
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