Overview
The Caterpillar 777B Rock Truck is a articulated dump truck listed in the Heavy Equipment Hub equipment database with structured specifications for comparison, research, and machine selection. Key specification points include engine power of 870 hp, travel speed of 37.3 mph and fuel capacity of 250.0 gal. This model can be reviewed for equipment comparison, jobsite planning, fleet research, and specification-based machine selection. Use the full specifications table to compare the Caterpillar 777B Rock Truck against similar articulated dump truck models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Net Power
870.40
hp
Gross Power
920
hp
Rated Payload
190,000
lb
Overall Length
32.12
ft
Full Specifications
23 specs
Dimensions
Dump Height
30.52 ft / 9.30 m
Load Capacity - Heaped
67 lb / 30 kg
Load Capacity - Struck
48 lb / 22 kg
Overall Height
16.08 ft / 4.90 m
Overall Length
32.12 ft / 9.79 m
Overall Width
17.93 ft / 5.47 m
Rated Payload
190,000 lb / 86,183 kg
Wheelbase
15 ft / 4.57 m
Engine
Displacement
2,105 cu in / 34.5 L
Empty Weight
132,399 lb / 60,055 kg
Engine Make
2236
Engine Model
3508
Fuel Capacity
250 gal / 946.4 L
Gross Power
920 hp / 686.0 kW
Load Capacity - Heaped
67.10 yd³ / 51.30 m³
Loaded Weight
324,005 lb / 146,966 kg
Max Speed
37.30 mph / 60.0 km/h
Net Power
870 hp / 649.1 kW
Number Of Gears - Forward
7
Weight Distribution Front - Empty
47 lb / 21 kg
Weight Distribution Front - Loaded
33 lb / 15 kg
Weight Distribution Rear - Empty
53 lb / 24 kg
Weight Distribution Rear - Loaded
67 lb / 30 kg
Related Machines
Frequently Asked Questions
How powerful is the Caterpillar 777B Rock Truck engine? +
The Caterpillar 777B Rock Truck produces 920 hp (686.0 kW) of engine power. This output is typical for its weight class and designed to handle demanding Articulated Dump Truck work cycles efficiently.
How does the Caterpillar 777B Rock Truck compare to similar Articulated Dump Truck models? +
You can compare the Caterpillar 777B Rock Truck side by side with any other model using the Heavy Equipment Hub compare tool. Key comparison points include engine power, operating weight, digging depth, hydraulic flow, and overall dimensions.