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    775G Off-Highway Truck
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    770 Off-Highway Truck
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    785 Mining Truck (LRC, Tier 4 Final / EU Stage V)
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    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. - -

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

    Operating Specifications
    Nominal Water Tank Capacity 15000 gal (US) - -
    Nominal Payload Class (100%) - 42.1 ton (US) -
    Top Speed - Loaded - 45.8 mile/h -
    Target Payload (100%) - 42.1 ton (US) -
    Maximum Working Payload (110%) - 46.3 ton (US) -
    Maximum Allowable Payload (120%)* - 50.5 ton (US) -
    Body Capacity - SAE 2:1 - 32.9 yd³ -
    Note (1) - *Refer to Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations. -
    Note (2) - Target payload and capacity based on Dual Slope body with no liner. Attachment selection will affect payload and maximum gross machine operating weight. -

    Steering
    Steering Standards ISO 5010:2007 ISO 5010:2007 ISO 5010:2007
    Steer Angle 31 ° 40.5 ° 36 °
    Turning Diameter 77.1 ft - -
    Turning Circle - Clearance Diameter 85.6 ft 66.6 ft -
    Turning Diameter - Front - 57.7 ft -
    Note - Target gross machine operating weight is 71 214 kg (157,000 lb). -
    Turning Diameter - ISO 7457:1997 (33.00R51 tires) - - 97.75 ft

    Engine
    Engine Model Cat® C27 Cat® C15 Cat� 3512E
    Gross Power - SAE J1995 825 HP 515 HP 1600 HP
    Rated Net Power - SAE J1349 683 HP - -
    Bore 5.4 in 5.4 in 6.7 in
    Stroke 6 in 6.7 in 8.5 in
    Displacement 1648 in³ 927.6 in³ 3573 in³
    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. - -
    Rated Engine Speed - 1700 r/min -
    Net Power - SAE J1349 - 477 HP 1509 HP
    Net Power - ISO 9249 - 477 HP -
    Net Power - 80/1269/EEC - 489 HP -
    Net Power - ISO 14396 - 508 HP -
    Net Torque - SAE J1349 - 1834 ft·lbf -
    Number of Cylinders - 6 -
    Note (1) - Power rating applies at 1,700 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 (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.
    Note (3) - No engine derating required up to 3000 m (9,843 ft) altitude. Additional fuel optimized selectable power ratings: 1,450 hp
    Note (4) - Meets Japan Small Volume Exemption. -
    Emissions - Meets U.S. EPA Tier 4 and EU Stage V emission standards. -
    Emissions Rating - - Fuel Optimized

    Transmission
    Forward - 1 6.6 mile/h 7.4 mile/h 7.5 mile/h
    Forward - 2 9.3 mile/h 10.1 mile/h 10.2 mile/h
    Forward - 3 12.6 mile/h 13.8 mile/h 13.8 mile/h
    Forward - 4 16.8 mile/h 18.5 mile/h 18.6 mile/h
    Forward - 5 22.8 mile/h 25.1 mile/h 25.2 mile/h
    Forward - 6 30.7 mile/h 33.8 mile/h 34 mile/h
    Forward - 7 41.6 mile/h 45.8 mile/h -
    Reverse 8.7 mile/h 8.8 mile/h 6.8 mile/h
    Note Maximum travel speeds with standard 24.00R35 (E4) tires Maximum travel speeds with standard 18.00R33 (E4) tires. Maximum travel speeds with standard 33.00-R51 tires.
    Top Speed - Loaded - - 34 mile/h

    Brakes
    Brake Surface - Front 257 in² 216 in² -
    Brake Surface - Rear 9497 in² 6235 in² -
    Brake Standards - ISO 3450:2011 -
    Note - Target gross machine operating weight is 71 214 kg (157,000 lb). -

    Service Refill Capacities
    Fuel Tank Capacity 210 gal (US) - -
    Cooling System 45 gal (US) 33 gal (US) 100 gal (US)
    Crankcase 24 gal (US) 17 gal (US) 54 gal (US)
    Differential - Final Drives 38 gal (US) 47 gal (US) 139 gal (US)
    Steering System - Including Tank 14 gal (US) 23 gal (US) -
    Brake/Hoist Hydraulic Tank 46.5 gal (US) 38 gal (US) -
    Brake Hoist System 85 gal (US) 60 gal (US) -
    Fuel Tank - 140 gal (US) 410 gal (US)
    Steering Tank - 14.5 gal (US) 29 gal (US)
    Torque Converter - Transmission System - 17 gal (US) -
    DEF Tank - 6 gal (US) -
    Front Wheels - Each - - 8 gal (US)
    Steering System - Includes Tank - - 45 gal (US)
    Brake/Hoist Tank - - 135 gal (US)
    Brake Hoist System - Includes Tank - - 160 gal (US)
    Torque Converter - Transmission System - Including Sump - - 46 gal (US)

    Weights - Approximate
    Target Gross Machine Operating Weight - 157000 lb -
    Target Gross Machine Weight - 157000 lb -
    Chassis Weight - 55948 lb -
    Body Weight - 17306 lb 57779 lb
    Note (1) - Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires. Consult your tire manufacturer for maximum tire load
    Note (2) - Body weight is the standard Dual Slope body with no liner and will vary depending on configuration. Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires.
    Nominal Rated Payload (33.00R51 Tires) - - 153 ton (US)
    Rated Gross Machine Weight (33.00R51 tires) - - 550000 lb
    Nominal Rated Payload (36.00R51 Tires) - - 157 ton (US)
    Rated Gross Machine Weight (36.00R51 tires) - - 564000 lb
    Chassis Weight (33.00R51 Tires) - - 186799 lb
    Chassis Weight (36.00R51 Tires) - - 193192 lb
    Note (3) - - Body weight varies depending on body selection and configuration.

    Final Drives
    Differential Ratio - 1.92:1 2:10:01
    Planetary Ratio - 4.80:1 10.83:1
    Total Reduction Ratio - 9.26:1 22.75:1
    Type - - Double reduction, planetary with full floating axles.

    Body Hoists
    Pump Flow - High Idle - 118 gal/min 192.7 gal/min
    Relief Valve Setting - Raise - 2750 psi 2500 psi
    Relief Valve Setting - Lower - 500 psi -
    Body Raise Time - High Idle - 7.5 s 15.2 s
    Body Lower Time - Float - 10 s -
    Body Power Down - High Idle - 10 s -
    Type - - Twin, two-stage hydraulic cylinders with snubbing valve.
    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

    Capacity - Dual Slope - 100% Fill Factor
    Struck - 23.01 yd³ -
    Heaped (SAE 2:1)* - 32.9 yd³ -
    Note (2) - *ISO 6483:1980. -
    Note (1) - Contact your local Cat dealer for body recommendation. -

    Capacity - Flat Floor - 100% Fill Factor
    Struck - 23.01 yd³ -
    Heaped (SAE 2:1)* - 32.9 yd³ -
    Note (1) - Contact your local Cat dealer for body recommendation. -
    Note (2) - *ISO 6483:1980. -

    Weight Distributions - Approximate
    Front Axle - Empty - 49 % 48%
    Front Axle - Loaded - 34 % 33%
    Rear Axle - Empty - 51 % 52%
    Rear Axle - Loaded - 66 % 67%
    Note - - Weight distributions optimized with Cat body.

    Suspension
    Empty Loaded Cylinder Stroke Front - 9.2 in -
    Empty Loaded Cylinder Stroke Rear - 5.9 in -
    Rear axle - Oscillation - 8.9 ° +/- 5 degrees
    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

    Tires
    Standard Tire - 18.00R33 (E4) 33.00R51
    Note (1) - Productive capabilities of the 770G 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.
    Note (2) - Caterpillar recommends the customer evaluates all job conditions and consults 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.
    Optional Tire - - 36.00R51
    Rims - - 610 mm (24") Rims (standard). 660 mm (26") Rims (optional).

    Sound
    Sound Standards (1) - Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment. -
    Sound Standards (2) - Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 116 dB(A). -
    Sound Standards (3) - Operator Equivalent Sound Pressure Level is 79 dB(A) & 74 dB(A) with EU sound suppression applied when ISO 6396:2008 is used. -

    Dimensions
    Height - Top of ROPS - 12.7 ft -
    Overall Body Length - 26.8 ft -
    Inside Body Length - 18.5 ft -
    Overall Length - 28.9 in -
    Wheel Base - 13 ft -
    Rear Axle - Tail - 8.5 ft -
    Ground Clearance - 1.6 in -
    Dump Clearance - 1.7 ft -
    Loading Height - Empty - 10.3 ft -
    Inside Body Depth - Maximum - 4.6 ft -
    Overall Height - Body Raised - 27.1 ft -
    Operating Width - 15.7 ft -
    Centerline Front Tire Width - 10.2 ft -
    Engine Guard Clearance - 1.8 ft -
    Outside Body Width - 12.9 ft -
    Inside Body Width - 11.9 ft -
    Front Canopy Height - 13.5 ft -
    Rear Axle - Clearance - 1.8 ft -
    Centerline of Rear Dual Tire Width - 8.3 ft -
    Overall Tire Width - 12.1 ft -

    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
    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.

    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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