Overview
The Caterpillar 773B 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 650 hp, travel speed of 35.7 mph and fuel capacity of 185.0 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 773B Rock Truck against similar articulated dump truck models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Net Power
650.40
hp
Gross Power
682.60
hp
Rated Payload
119,000
lb
Overall Length
30.42
ft
Full Specifications
35 specs
Dimensions
Dump Angle
54.50 deg
Dump Ground Clearance
1.86 ft / 0.57 m
Dump Height
28.42 ft / 8.66 m
Ground Clearance
1.94 ft / 0.59 m
Load Capacity - Heaped
45 lb / 20 kg
Load Capacity - Struck
34 lb / 15 kg
Overall Height
13.88 ft / 4.23 m
Overall Length
30.42 ft / 9.27 m
Overall Width
15.42 ft / 4.70 m
Rated Payload
119,000 lb / 53,977 kg
Wheelbase
13.75 ft / 4.19 m
Engine
Cooling System Fluid Capacity
39.90 gal / 151.0 L
Diff And Final Drive Fluid Capacity
41 gal / 155.2 L
Displacement
1,648 cu in / 27.0 L
Empty Weight
86,853 lb / 39,396 kg
Engine Make
2236
Engine Model
3412
Engine Oil Capacity
18 gal / 68.1 L
Fuel Capacity
185 gal / 700.3 L
Gross Power
683 hp / 509.0 kW
Load Capacity - Heaped
44.10 yd³ / 33.72 m³
Loaded Weight
204,003 lb / 92,534 kg
Max Speed
35.70 mph / 57.5 km/h
Net Power
650 hp / 485.0 kW
Number Of Gears - Forward
7
Number Of Gears - Reverse
1
Operating Voltage
24 V
Power Measured @
2,000 rpm
Steering System Fluid Capacity
21.40 gal / 81.0 L
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
Hydraulics
Lower Time
14.20 sec
Raise Time
11.40 sec
Related Machines
Frequently Asked Questions
How powerful is the Caterpillar 773B Rock Truck engine? +
The Caterpillar 773B Rock Truck produces 683 hp (509.0 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 773B Rock Truck compare to similar Articulated Dump Truck models? +
You can compare the Caterpillar 773B 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.