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
Operating Specifications
Nominal Payload Class (100%)
98.4 tons
89.4 tonnes
Top Speed - Loaded
41.7 mph
67.1 km/h
Body Capacity - SAE 2:1
83.8 yd3
64.1 m3
Maximum Payload (110%)
108.2 tons
98.3 tonnes
Nominal Payload (100%)
98.4 tons
89.4 tonnes
Not to Exceed Payload (120%)*
118.1 tons
107.2 tonnes
Engine
Engine Model
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
Engine Power - ISO 14396
1008.0 hp
752.0 kW
Engine Speed
1800.0 RPM
1800.0 RPM
Net Torque
3899.0 ft-lb
5286.0 N·m
Peak Torque Speed
1200.0 RPM
1200.0 RPM
Weights - Approximate
Target Gross Machine Weight
363000.0 lb
164654.0 kg
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
46.0 %
46.0 %
Front Axle - Loaded
33.0 %
33.0 %
Rear Axle - Empty
54.0 %
54.0 %
Rear Axle - Loaded
67.0 %
67.0 %
Transmission
Forward 1
6.8 mph
10.9 km/h
Forward 2
9.2 mph
14.8 km/h
Forward 3
12.5 mph
20.1 km/h
Forward 4
16.9 mph
27.2 km/h
Forward 5
22.9 mph
36.9 km/h
Forward 6
30.7 mph
49.4 km/h
Forward 7
41.7 mph
67.1 km/h
Reverse
7.7 mph
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
6331.0 in2
40846.0 cm2
Brake Surface Area - Rear
15828.0 in2
102116.0 cm2
Service Refill Capacities
Fuel Tank
300.0 gal
1136.0 L
Cooling System
63.4 gal
240.0 L
Steering System (Includes Tank)
14.1 gal
53.6 L
Brake Hoist System
85.0 gal
322.0 L
Brake Hoist System (Includes Tank)
117.0 gal
444.0 L
Crankcase
28.7 gal
109.0 L
Differentials
59.9 gal
227.0 L
Final Drives (each)
20.0 gal
76.0 L
Fuel Tank
350.0 gal
1325.0 L
Torque Converter/Transmission System
36.5 gal
138.5 L
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 Seconds
15.0 Seconds
Body Lower Time - Float
13.0 Seconds
13.0 Seconds
Body Lower Time - High Idle
13.0 Seconds
13.0 Seconds
Suspension
Rear Axle Oscillation
5.4 Degrees
5.4 Degrees
Empty Loaded Cylinder Stroke Front
2.9 in
74.7 mm
Empty Loaded Cylinder Stroke Rear
2.5 in
66.0 mm
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
Capacity - X Body - 100% Fill Factor
Heaped 2:1 (SAE)
83.8 yd3
64.1 m3
Struck
56.3 yd3
43.1 m3
Steering
Turning Diameter - Front
83.0 ft
25.3 m
Steering Standards
SAE J1511 FEB94 ISO 5010:1992
Steer Angle
30.5 Degrees
30.5 Degrees
Turning Circle Clearance Diameter
93.0 ft
28.4 m
Tires
Standard Tire
27.00R49 (E4)
ROPS
ROPS/FOPS Standards
Standards
Sound
Sound Standards
Standards
Standard/Optional

Standard Equipment

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

Optional Equipment

Body heat
Body liners
Body side boards
Cab precleaner
Cat Engine Brake
Clustered grease fittings
Cold weather packages
Extended Life Brakes
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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