New CAT Equipment

777G Off-Highway Truck

G Series represents a new era for this size class from Caterpillar. With your input, we have designed and manufactured a truck that is reliable, economical and offers comfort, confidence, and control for your operators. Your long-term success is our goal and with G Series trucks, we’re on the right road.

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    Product Specs

    Engine

    Engine Model Cat C32
    Gross Power - SAE J1995 1025 HP
    Net Power - SAE J1349 916 HP
    Net Power - 80/1269/EEC 916 HP
    Net Power - ISO 9249 916 HP
    Bore 5.7 in
    Stroke 6.4 in
    Displacement 1959 in³
    Peak Torque - Speed 1200 r/min
    Note (3) No engine derating required up to 2286 m (7,500 ft) for Tier 4/Stage V.
    Engine Speed 1800 r/min
    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).
    Net Torque 3899 ft-lb
    Note (1) Power rating applies at 1,800 rpm when tested under the specified condition for the specified standard.
    Engine Power - ISO 14396 1008 HP
    Cylinders 12
    Note (4) Meets EU Stage V emission standards.

    Weights - Approximate

    Target Gross Machine Weight 363000 lb

    Operating Specifications

    Nominal Payload Class (100%) 98.4 ton (US)
    Top Speed - Loaded 41.7 mile/h
    Note (1) Capacity with flat floor X Body with liner.
    Maximum Working Payload (110%) 108.2 ton (US)
    Note (2) * Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross vehicle weight limitations.
    Body Capacity - SAE 2:1 83.8 yd³
    Maximum Allowable Payload (120%)* 118.1 ton (US)
    Target Payload (100%) 98.4 ton (US)

    Transmission

    Forward - 1 6.8 mile/h
    Forward - 2 9.2 mile/h
    Forward - 3 12.5 mile/h
    Forward - 4 16.9 mile/h
    Forward - 5 22.9 mile/h
    Forward - 6 30.7 mile/h
    Forward - 7 41.7 mile/h
    Reverse 7.7 mile/h
    Note Maximum travel speeds with standard 27.00R49 (E4) tires.

    Final Drives

    Differential Ratio 2.736:1
    Planetary Ratio 7.0:1
    Total Reduction Ratio 19.1576:1

    Brakes

    Brake Standards ISO 3450-2011
    Brake Surface Area - Front 6331 in²
    Brake Surface Area - Rear 15828 in²

    Body Hoists

    Pump Flow - High Idle 120.9 gal/min
    Relief Valve Setting - Raise 2750 psi
    Relief Valve Setting - Lower 500 psi
    Body Raise Time - High Idle 15 s
    Body Lower Time - Float 13 s
    Body Lower Time - High Idle 13 s

    Capacity - Dual Slope - 100% Fill Factor

    Struck 54.8 yd³
    Heaped 2:1 (SAE) 78.8 yd³
    Heaped (SAE 2:1)* 78.8 yd³
    Note (1) Contact your local Cat dealer for body recommendation.
    Note (2) *ISO 6483:1980

    Weight Distributions - Approximate

    Front Axle - Empty 46 %
    Front Axle - Loaded 33 %
    Rear Axle - Empty 54 %
    Rear Axle - Loaded 67 %

    Suspension

    Rear axle - Oscillation 5.4 °
    Empty Loaded Cylinder Stroke Front 2.9 in
    Empty Loaded Cylinder Stroke Rear 2.5 in

    Service Refill Capacities

    Fuel Tank (1) 300 gal (US)
    Cooling System 63.4 gal (US)
    Steering System - Including Tank 14.1 gal (US)
    Torque Converter - Transmission System 36.5 gal (US)
    Differentials 59.9 gal (US)
    Brake Hoist System - Includes Tank 117 gal (US)
    Brake Hoist System 85 gal (US)
    Final Drive - Each 20 gal (US)
    Crankcase 28.7 gal (US)
    Fuel Tank (2) 350 gal (US)

    Tires

    Note (1) Productive capabilities of the 777G truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires 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 27.00R49 (E4)

    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.

    Sound

    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 (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 83 dB(A) for Tier 4 trucks.
    Sound Standards (1) The operator Equivalent Sound Pressure Level (Leq) is 73 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 the cab doors and the cab windows closed.

    Steering

    Turning Diameter - Front 83 ft
    Steering Standards ISO 5010:2007
    Steer Angle 30.5 °
    Turning Circle - Clearance Diameter 93 ft

    Capacity - X Body - 100% Fill Factor

    Heaped 2:1 (SAE) 83.8 yd³
    Struck 56.3 yd³
    Note (1) Contact your local Cat dealer for body recommendation.
    Note (2) *ISO 6483:1980
    Heaped (SAE 2:1)* 83.8 yd³

    Capacity - Coal Bodies - 100% Fill Factor

    SAE 2:1 - For use with material densities of 950-1040 kg/m3 (1,600-1,750 lb/yd3) 144 yd³
    SAE 2:1 - For use with material densities less than 950 kg/m3 (1,600 lb/yd3) 165 yd³
    SAE 2:1 - For use with material densities of 1040-1160 kg/m3 (1,750-1,950 lb/yd3) 139 yd³
    SAE 2:1 - For use with material densities of 1160 kg/m3 (1,950 lb/yd3) 116 yd³
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