Off-Highway Trucks:

777G Off-Highway Truck

Engine Model
Cat® C32 ACERT™
Cylinders
12
Engine Power - ISO 14396
1008.0 hp
Engine Speed
1800.0 RPM

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; with G Series trucks, we’re on the right road.



Product Specs

  • Engine

  • Engine Model
    Cat® C32 ACERT™
    Cylinders
    12
    Engine Power - ISO 14396
    1008.0hp
    Engine Speed
    1800.0RPM
    Net Torque
    3899.0ft-lb
    Peak Torque Speed
    1200.0RPM
    Gross Power - SAE J1995
    1025HP
    Net Power - SAE J1349
    916HP
    Net Power - 80/1269/EEC
    916HP
    Net Power - ISO 9249
    916HP
    Bore
    5.7in
    Stroke
    6.4in
    Displacement
    1959in³
    Engine Model
    Cat® C32 ACERT™
    Cylinders
    12
    Engine Power - ISO 14396
    1008HP
    Engine Speed
    1800r/min
    Net Torque
    3899ft-lb
    Peak Torque - Speed
    1200r/min
  • Brakes

  • Brake Surface Area - Front
    6331.0in2
    Brake Surface Area - Rear
    15828.0in2
    Brake Standards
    ISO 3450:1996
    Brake Surface Area - Front
    6331in²
    Brake Surface Area - Rear
    15828in²
  • Service Refill Capacities

  • Brake Hoist System (Includes Tank)
    117.0gal
    Final Drives (each)
    20.0gal
    Fuel Tank
    350.0gal
    Fuel Tank (1)
    300gal (US)
    Cooling System
    63.4gal (US)
    Steering System - Including Tank
    14.1gal (US)
    Brake Hoist System
    85gal (US)
    Crankcase
    28.7gal (US)
    Differentials
    59.9gal (US)
    Torque Converter - Transmission System
    36.5gal (US)
    Brake Hoist System - Includes Tank
    117gal (US)
    Final Drive - Each
    20gal (US)
    Fuel Tank (2)
    350gal (US)
  • Operating Specifications

  • Body Capacity - SAE 2:1
    83.8yd3
    Not to Exceed Payload (120%)*
    118.1ton (US)
    Body Capacity - SAE 2:1
    83.8yd³
    Nominal Payload Class (100%)
    98.4ton (US)
    Top Speed - Loaded
    41.7mile/h
    Maximum Payload (110%)
    108.2ton (US)
    Nominal Payload (100%)
    98.4ton (US)
  • ROPS

  • ROPS/FOPS Standards
    Standards
    ROPS/FOPS Standards
    Standards
  • Sound

  • Sound Standards
    Standards
    Sound Standards
    Standards
  • Weights - Approximate

  • Target Gross Machine Weight
    363000lb
  • Capacity - Dual Slope - 100% Fill Factor

  • Struck
    54.8yd³
    Heaped 2:1 (SAE)
    78.8yd³
  • Weight Distributions - Approximate

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

  • Forward - 1
    6.8mile/h
    Forward - 2
    9.2mile/h
    Forward - 3
    12.5mile/h
    Forward - 4
    16.9mile/h
    Forward - 5
    22.9mile/h
    Forward - 6
    30.7mile/h
    Forward - 7
    41.7mile/h
    Reverse
    7.7mile/h
  • Final Drives

  • Differential Ratio
    2.736:1
    Planetary Ratio
    7.0:1
    Total Reduction Ratio
    19.1576:1
  • Body Hoists

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

  • Rear axle - Oscillation
    5.4°
    Empty Loaded Cylinder Stroke Front
    2.9in
    Empty Loaded Cylinder Stroke Rear
    2.5in
  • Capacity - Coal Bodies - 100% Fill Factor

  • SAE 2:1 - For use with material densities less than 950 kg/m3 (1,600 lb/yd3)
    165yd³
    SAE 2:1 - For use with material densities of 1040-1160 kg/m3 (1,750-1,950 lb/yd3)
    139yd³
    SAE 2:1 - For use with material densities of 1160 kg/m3 (1,950 lb/yd3)
    116yd³
    SAE 2:1 - For use with material densities of 950-1040 kg/m3 (1,600-1,750 lb/yd3)
    144yd³
  • Capacity - X Body - 100% Fill Factor

  • Heaped 2:1 (SAE)
    83.8yd³
    Struck
    56.3yd³
  • Steering

  • Turning Diameter - Front
    83ft
    Steering Standards
    SAE J1511 FEB94 ISO 5010:1992
    Steer Angle
    30.5°
    Turning Circle - Clearance Diameter
    93ft
  • Tires

  • Standard Tire
    27.00R49 (E4)

Equipment

  • Power Train
    • Autostall
    • Engine idle shutdown
    • Air-To-Air Aftercooler (ATAAC)
    • Air cleaner with precleaner (2)
    • Automatic cold mode idle control
    • Electric priming pump
    • Electric cold weather start (two starters and four batteries)
    • Ether starting aid
    • Exhaust, muffler
    • Fuel filter/water separator
    • Turbocharger (2)
    • Braking system: - Brake wear indicator - Automatic Retarder Control (ARC) (utilizes oil-cooled, multiple disc brakes) - Brake release motor (towing) - Manual retarder (utilizes oil cooled, multiple disc brakes) - Oil-cooled, multiple disc (front/rear) - Parking - Secondary - Service
    • Transmission: - Auto neutral idle - APECS Software - ECPC
    • Part Throttle Shifting: - 7 speed automatic powershift with Torque Shift Management electronic clutch pressure control - Body up shift inhibitor - Directional shift management - Downshift inhibitor - Neutral start switch - Neutral coast inhibitor - Reverse shift inhibitor - Reverse neutralizer during dumping - Programmable top gear selection
  • Suspension Systems
    • Suspension, rear
  • Electrical
    • Alarm, backup
    • Alternator, 115 ampere
    • Auxiliary jump start receptacle
    • Batteries, maintenance-free, 12V (4), 190 amp-hour
    • Electrical system, 25 AMP, 24V to 12V converter
    • Lighting system: - Backup light (halogen) - Directional signals/hazard warning, (front and rear LED) - Headlights, (halogen) with dimmer - Payload, indicator lights - Operator access courtesy lights - Side profile lights - Stop/tail lights (LED) - Service lights
  • Operator Environment
    • Air conditioning
    • Ashtray and cigarette lighter
    • Coat hook
    • Cup holders (4)
    • Diagnostic connection port, 24V
    • Entertainment Radio Ready: - 5 amp converter - Speakers - Antenna - Wiring harness
    • Gauges/indicators: - Brake oil temperature gauge - Coolant temperature gauge - Hour meter - Tachometer - Engine overspeed indicator - Fuel level - Speedometer with odometer - Transmission gear indicator
    • Heater/defroster (11 070 kCal/43,930 BTU)
    • Auto temp control
    • Fluid level monitoring
    • Hoist lever
    • Horn, electric
    • Light - dome
    • Light - courtesy
    • Load counter, automatic
    • Advisor display
    • VIMS
    • TPMS
    • Foot rest
    • Mirrors - heated
    • Power port, 24V and 12V (2)
    • ROPS cab, insulated/sound suppressed
    • Cat Comfort Series III: - Full air suspension - Retractable 3 point seat belt with shoulder harness
    • Steering wheel, padded, tilt and telescopic
    • Storage compartment
    • Sun visor
    • Throttle lock
    • Window, right side, hinged access/egress
    • Electric left side window control
    • Windshield wiper (intermittent) and washer
    • Tinted, laminated glass
  • Technology Products
    • Product Link Ready (Level 1)
    • TKPH/TMPH (Tons Kilometer Per Hour/Tons Mile Per Hour)
    • Object Detection (4 cameras, 4 radars)
    • Adaptive economy mode
  • Guards
    • Engine crankcase
    • Driveline
    • Fan and A/C
  • Fluids
    • Extended Life Coolant to -35° C (-30° F)
  • Other Standard Equipment
    • Body mounting group
    • Body safety pin (secures body in up position)
    • Body down indicator
    • CD ROM parts book
    • Center mounted rims
    • Fuel tank (1136 L/300 gal)
    • Ground level battery disconnect
    • Ground level engine shutdown
    • Ground level grease fittings
    • Reservoirs (separate): - Brake/hoist - Steering - Transmission/torque converter
    • Rims 19.5 × 49
    • Rock ejectors
    • Supplemental steering (automatic)
    • Tie down eyes
    • Tow hooks (front)/Tow pin (rear)
    • Vandalism protection locks
    • Wiggins fast fuel
    • Traction Control System (new version)
    • Attachment Zone

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