777G Off-Highway Truck

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

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  • Standard Equipment
  • Specs

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

Specs

Overview

Long Name:
777G Off-Highway Truck
Name:
777G (Tier 4)
Brand:
Caterpillar
Status:
Current

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 / 1800 r/min
Net Torque:
3899 ft-lb / 5286 N·m
Peak Torque - Speed:
1200 r/min / 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 t
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 / 15 s
Body Lower Time - Float:
13 s / 13 s
Body Lower Time - High Idle:
13 s / 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 % / 46 %
Front Axle - Loaded:
33 % / 33 %
Rear Axle - Empty:
54 % / 54 %
Rear Axle - Loaded:
67 % / 67 %

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 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 ° / 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