Overview
The Caterpillar 797B 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 3,370 hp, travel speed of 42.0 mph, fuel capacity of 1,800.0 gal and hydraulic capacity of 263.0 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 797B Rock Truck against similar articulated dump truck models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Net Power
3,370
hp
Gross Power
3,550
hp
Rated Payload
793,664.10
lb
Overall Length
47.67
in
Full Specifications
38 specs
Dimensions
Dump Angle
45 deg
Dump Ground Clearance
6.17 ft / 1.88 m
Dump Height
50.17 in / 1,274 mm
Ground Clearance
2.85 ft / 0.87 m
Load Capacity - Heaped
288 lb / 131 kg
Overall Height
24.88 ft / 7.58 m
Overall Length
47.67 in / 1,211 mm
Overall Width
30.03 ft / 9.15 m
Rated Payload
793,664 lb / 360,000 kg
Wheelbase
23.62 ft / 7.20 m
Engine
Alternator Supplied Amperage
75 A
Brake/Hoist System Fluid Capacity
486.70 gal / 1,842.4 L
Cooling System Fluid Capacity
315 gal / 1,192.4 L
Diff And Final Drive Fluid Capacity
110 gal / 416.4 L
Displacement
7,143 cu in / 117.1 L
Empty Weight
584,225 lb / 265,000 kg
Engine Make
2236
Engine Model
3524B HD EUI
Engine Oil Capacity
110 gal / 416.4 L
Fuel Capacity
1,800 gal / 6,813.7 L
Gross Power
3,550 hp / 2,647.2 kW
Hydraulic System Fluid Capacity
263 gal / 995.6 L
Load Capacity - Heaped
287.80 yd³ / 220.04 m³
Loaded Weight
1,375,000 lb / 623,690 kg
Max Speed
42 mph / 67.6 km/h
Net Power
3,370 hp / 2,513.0 kW
Number Of Gears - Forward
7
Number Of Gears - Reverse
1
Number of Cylinders
24
Operating Voltage
24 V
Power Measured @
1,750 rpm
Steering System Fluid Capacity
114 gal / 431.5 L
Weight Distribution Front - Empty
44 lb / 20 kg
Weight Distribution Front - Loaded
33 lb / 15 kg
Weight Distribution Rear - Empty
57 lb / 26 kg
Weight Distribution Rear - Loaded
67 lb / 30 kg
Hydraulics
Lower Time
18.50 sec
Raise Time
25 sec
Related Machines
Frequently Asked Questions
How powerful is the Caterpillar 797B Rock Truck engine? +
The Caterpillar 797B Rock Truck produces 3,550 hp (2,647.2 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 797B Rock Truck compare to similar Articulated Dump Truck models? +
You can compare the Caterpillar 797B 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.