777G (Tier 4)

Heavy Equipment

777G (Tier 4)

Nominal Payload Class (100%)
98.4 ton (US) / 89.4 ton (US)
Top Speed - Loaded
41.7 mile/h / 67.1 km/h
Gross Power - SAE J1995
1025 HP / 765 kW

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.

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777G Brochure
Engine
Engine Model Cat® C32 ACERT™
Gross Power - SAE J1995 1025 HP / 765 kW
Net Power - SAE J1349 916 HP / 683 kW
Net Power - 80/1269/EEC 916 HP / 683 kW
Net Power - ISO 9249 916 HP / 683 kW
Bore 5.7 in / 145 mm
Stroke 6.4 in / 162 mm
Displacement 1959 in³ / 32.1 C
Cylinders 12
Engine Power - ISO 14396 1008 HP / 752 kW
Engine Speed 1800 r/min
Net Torque 3899 ft-lb / 5286 N·m
Peak Torque - Speed 1200 r/min
Weights - Approximate
Target Gross Machine Weight 363000 lb / 164654 kg
Operating Specifications
Nominal Payload Class (100%) 98.4 ton (US) / 89.4 ton (US)
Top Speed - Loaded 41.7 mile/h / 67.1 km/h
Body Capacity - SAE 2:1 83.8 yd³ / 64.1 m³
Maximum Payload (110%) 108.2 ton (US) / 98.3 ton (US)
Nominal Payload (100%) 98.4 ton (US) / 89.4 ton (US)
Not to Exceed Payload (120%)* 118.1 ton (US) / 107.2 ton (US)
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
Final Drives
Differential Ratio 2.736:1
Planetary Ratio 7.0:1
Total Reduction Ratio 19.1576:1
Brakes
Brake Standards ISO 3450:1996
Brake Surface Area - Front 6331 in² / 40846 cm²
Brake Surface Area - Rear 15828 in² / 102116 cm²
Body Hoists
Pump Flow - High Idle 120.9 gal/min / 458 l/min
Relief Valve Setting - Raise 2750 psi / 18950 kPa
Relief Valve Setting - Lower 500 psi / 3450 kPa
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 / 41.9 m³
Heaped 2:1 (SAE) 78.8 yd³ / 60.2 m³
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 / 74.7 mm
Empty Loaded Cylinder Stroke Rear 2.5 in / 66 mm
Service Refill Capacities
Fuel Tank (1) 300 gal (US) / 1136 C
Cooling System 63.4 gal (US) / 240 C
Steering System - Including Tank 14.1 gal (US) / 53.6 C
Brake Hoist System 85 gal (US) / 322 C
Brake Hoist System - Includes Tank 117 gal (US) / 444 C
Crankcase 28.7 gal (US) / 109 C
Differentials 59.9 gal (US) / 227 C
Final Drive - Each 20 gal (US) / 76 C
Fuel Tank (2) 350 gal (US) / 1325 C
Torque Converter - Transmission System 36.5 gal (US) / 138.5 C
Tires
Standard Tire 27.00R49 (E4)
ROPS
ROPS/FOPS Standards Standards
Sound
Sound Standards Standards
Steering
Turning Diameter - Front 83 ft / 25.3 m
Steering Standards SAE J1511 FEB94 ISO 5010:1992
Steer Angle 30.5 °
Turning Circle - Clearance Diameter 93 ft / 28.4 m
Capacity - X Body - 100% Fill Factor
Heaped 2:1 (SAE) 83.8 yd³ / 64.1 m³
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 yd³ / 126 m³
SAE 2:1 - For use with material densities of 1040-1160 kg/m3 (1,750-1,950 lb/yd3) 139 yd³ / 106 m³
SAE 2:1 - For use with material densities of 1160 kg/m3 (1,950 lb/yd3) 116 yd³ / 89 m³
SAE 2:1 - For use with material densities of 950-1040 kg/m3 (1,600-1,750 lb/yd3) 144 yd³ / 110 m³

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: - 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

Water Delivery System

The Cat® Water Delivery System (WDS) is an efficient way for mining operations to control dust on haul roads. This automated system, which is a fully-integrated Cat design, controls the amount of water and spray patterns to prevent the hazards common with overwatering. The Cat WDS improves safety and productivity while saving fuel, conserving water, and delivering on reliability and value.

Model Cannon Capacity Water Coverage
Water Delivery System Retrofit Kit 2,839 liters per min up to 60 meters, (750 gallons per min up to 200 ft) 0.8 L/m2 at speeds of 4 to 40 kph, (0.02 gal/ft2 at speeds of 3 to 25 mph)
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