777G Off-Highway Truck

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Product Description

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.

Specifications
Us
Metric
Engine
Engine Model
Cat® C32 ACERT™
Gross Power - SAE J1995
1025 mm H2O
765 kg/mm
Net Power - SAE J1349
916 mm H2O
683 kg/mm
Net Power - 80/1269/EEC
916 mm H2O
683 kg/mm
Net Power - ISO 9249
916 mm H2O
683 kg/mm
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 mm H2O
752 kg/mm
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 null
Operating Specifications
Nominal Payload Class (100%)
98.4 t
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 t
98.3 t
Nominal Payload (100%)
98.4 t
89.4 t
Not to Exceed Payload (120%)*
118.1 t
107.2 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
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
Standard/Optional

Standard Equipment

POWER TRAIN
SUSPENSION SYSTEMS
ELECTRICAL
OPERATOR ENVIRONMENT
TECHNOLOGY PRODUCTS
GUARDS
FLUIDS
OTHER STANDARD EQUIPMENT

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