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777G (Tier 4)

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Overview

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.

Engine

  • Engine Model Cat® C32 ACERT™ Cat® C32 ACERT™
  • Gross Power - SAE J1995 1025.0 HP 765.0 kW
  • Net Power - SAE J1349 916.0 HP 683.0 kW
  • Net Power - 80/1269/EEC 916.0 HP 683.0 kW
  • Net Power - ISO 9249 916.0 HP 683.0 kW
  • Bore 5.7 in 145.0 mm
  • Stroke 6.4 in 162.0 mm
  • Displacement 1959.0 in³ 32.1 l
  • Cylinders 12 12
  • Engine Power - ISO 14396 1008.0 HP 752.0 kW
  • Engine Speed 1800.0 r/min 1800.0 r/min
  • Net Torque 3899.0 ft-lb 5286.0 N·m
  • Note (1) Power rating applies at 1,800 rpm when tested under the specified condition for the specified standard. Power rating applies at 1,800 rpm when tested under the specified condition for the specified standard.
  • 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). 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).
  • Note (3) No engine derating required up to 2286 m (7,500 ft) for Tier 4/Stage V. No engine derating required up to 2286 m (7,500 ft) for Tier 4/Stage V.
  • Note (4) Meets EU Stage V emission standards. Meets EU Stage V emission standards.
  • Peak Torque - Speed 1200.0 r/min 1200.0 r/min

Weights - Approximate

  • Target Gross Machine Weight 363000.0 lb 164654.0 kg

Operating Specifications

  • Nominal Payload Class (100%) 98.4 ton (US) 89.4 t
  • Top Speed - Loaded 41.7 mile/h 67.1 km/h
  • Body Capacity - SAE 2:1 83.8 yd³ 64.1 m³
  • Maximum Allowable Payload (120%)* 118.1 ton (US) 107.2 t
  • Maximum Working Payload (110%) 108.2 ton (US) 98.3 t
  • Note (1) Capacity with flat floor X Body with liner. Capacity with flat floor X Body with liner.
  • Note (2) * Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross vehicle weight limitations. * Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross vehicle weight limitations.
  • Target Payload (100%) 98.4 ton (US) 89.4 t

Transmission

  • Forward - 1 6.8 mile/h 10.9 km/h
  • Forward - 2 9.2 mile/h 14.8 km/h
  • Forward - 3 12.5 mile/h 20.1 km/h
  • Forward - 4 16.9 mile/h 27.2 km/h
  • Forward - 5 22.9 mile/h 36.9 km/h
  • Forward - 6 30.7 mile/h 49.4 km/h
  • Forward - 7 41.7 mile/h 67.1 km/h
  • Reverse 7.7 mile/h 12.4 km/h
  • Note Maximum travel speeds with standard 27.00R49 (E4) tires. Maximum travel speeds with standard 27.00R49 (E4) tires.

Final Drives

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

Brakes

  • Brake Standards ISO 3450-2011 ISO 3450-2011
  • Brake Surface Area - Front 6331.0 in² 40846.0 cm²
  • Brake Surface Area - Rear 15828.0 in² 102116.0 cm²

Body Hoists

  • Pump Flow - High Idle 120.9 gal/min 458.0 l/min
  • Relief Valve Setting - Raise 2750.0 psi 18950.0 kPa
  • Relief Valve Setting - Lower 500.0 psi 3450.0 kPa
  • Body Raise Time - High Idle 15.0 s 15.0 s
  • Body Lower Time - Float 13.0 s 13.0 s
  • Body Lower Time - High Idle 13.0 s 13.0 s

Capacity - Dual Slope - 100% Fill Factor

  • Struck 54.8 yd³ 41.9 m³
  • Heaped (SAE 2:1)* 78.8 yd³ 60.2 m³
  • Note (1) Contact your local Cat dealer for body recommendation. Contact your local Cat dealer for body recommendation.
  • Note (2) *ISO 6483:1980 *ISO 6483:1980

Weight Distributions - Approximate

  • Front Axle - Empty 46.0 % 46.0 %
  • Front Axle - Loaded 33.0 % 33.0 %
  • Rear Axle - Empty 54.0 % 54.0 %
  • Rear Axle - Loaded 67.0 % 67.0 %

Suspension

  • Rear axle - Oscillation 5.4 ° 5.4 °
  • Empty Loaded Cylinder Stroke Front 2.9 in 74.7 mm
  • Empty Loaded Cylinder Stroke Rear 2.5 in 66.0 mm

Service Refill Capacities

  • Fuel Tank (1) 300.0 gal (US) 1136.0 l
  • Cooling System 63.4 gal (US) 240.0 l
  • Steering System - Including Tank 14.1 gal (US) 53.6 l
  • Brake Hoist System 85.0 gal (US) 322.0 l
  • Brake Hoist System - Includes Tank 117.0 gal (US) 444.0 l
  • Crankcase 28.7 gal (US) 109.0 l
  • Differentials 59.9 gal (US) 227.0 l
  • Final Drive - Each 20.0 gal (US) 76.0 l
  • Fuel Tank (2) 350.0 gal (US) 1325.0 l
  • Torque Converter - Transmission System 36.5 gal (US) 138.5 l

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. 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. Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection.
  • Standard Tire 27.00R49 (E4) 27.00R49 (E4)

ROPS

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

Sound

  • 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. 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.
  • 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. 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 (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. 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.

Steering

  • Turning Diameter - Front 83.0 ft 25.3 m
  • Steering Standards ISO 5010:2007 ISO 5010:2007
  • Steer Angle 30.5 ° 30.5 °
  • Turning Circle - Clearance Diameter 93.0 ft 28.4 m

Capacity - X Body - 100% Fill Factor

  • Heaped (SAE 2:1)* 83.8 yd³
  • Heaped (SAE 2:1)* 64.1 m³
  • Note (1) Contact your local Cat dealer for body recommendation. Contact your local Cat dealer for body recommendation.
  • Note (2) *ISO 6483:1980 *ISO 6483:1980
  • Struck 56.3 yd³ 43.1 m³

Capacity - Coal Bodies - 100% Fill Factor

  • SAE 2:1 - For use with material densities less than 950 kg/m3 (1,600 lb/yd3) 165.0 yd³ 126.0 m³
  • SAE 2:1 - For use with material densities of 1040-1160 kg/m3 (1,750-1,950 lb/yd3) 139.0 yd³ 106.0 m³
  • SAE 2:1 - For use with material densities of 1160 kg/m3 (1,950 lb/yd3) 116.0 yd³ 89.0 m³
  • SAE 2:1 - For use with material densities of 950-1040 kg/m3 (1,600-1,750 lb/yd3) 144.0 yd³ 110.0 m³

Safety – Connecting people and equipment safely

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Operator Work Environment – Productivity from comfort, confidence, control

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Environmental Responsibility – The benefits are far reaching and economical

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Cutting Your Fuel Costs – A strategy for lowering your cost per ton

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Performance – Efficient application of power and technology

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Long-Term Value and Durability – Proven components for reliable performance

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Body Options – No matter your material type

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XQ Package – For your sound sensitive environments

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Mud Protection Package – For sticky, muddy environments

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Service Convenience – Simple, more cost-effective solutions

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777G (Tier 4) Standard 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:
    – Extended Life Brakes
    – 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 (TCS) (new version)
  • Attachment Zone

777G (Tier 4) Optional Equipment

OPTIONAL EQUIPMENT

  • Body heat
  • Body liners
  • Body sideboards
  • Cab precleaner
  • Cat Engine Brake
  • Clustered grease fittings
  • Cold weather packages
  • Fluid fill service center
  • HID lights
  • Mirrors, convex
  • Mirrors, heated
  • Spare rim
  • Visibility package (meets ISO 5006 requirements)
  • Wheel chocks
  • Work Area Vision System (WAVS)

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