Overview
The Caterpillar 797 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 3,211 hp, travel speed of 39.8 mph and fuel capacity of 1,799.9 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 797 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
3,400
hp
Rated Payload
760,000
lb
Overall Length
47.67
in
Full Specifications
83 specs
Dimensions
Centerline Front Tire Width
21.65 ft / 6.60 m
Centerline Of Rear Dual Tire Width
19.91 ft / 6.07 m
Dump Height
49.22 in / 1,250 mm
Engine Guard Clearance
3.75 ft / 1.14 m
Height - Top Of Rops
21.39 ft / 6.52 m
Inside Body Depth - Maximum
10.98 ft / 3.35 m
Inside Body Length
32.29 ft / 9.84 m
Inside Body Width
26.25 ft / 8.00 m
Load Capacity - Heaped
288 lb / 131 kg
Load Capacity - Struck
226 lb / 103 kg
Loading Height - Empty
23.12 ft / 7.05 m
Operating Width
30.03 ft / 9.15 m
Outside Body Width
27.97 ft / 8.53 m
Overall Body Length
47.67 in / 1,211 mm
Overall Height
23.76 ft / 7.24 m
Overall Height - Body Raised
49.18 in / 1,249 mm
Overall Length
47.67 in / 1,211 mm
Overall Tire Width
30.03 ft / 9.15 m
Overall Width
30.02 ft / 9.15 m
Rated Payload
760,000 lb / 344,730 kg
Rear Axle - Clearance
2.58 ft / 0.79 m
Rear Axle - Tail
13 lb / 6 kg
Wheel Base
23.62 in / 600 mm
Wheelbase
23.63 ft / 7.20 m
Engine
7.6 mile/h
1
Body Power Down - High Idle
17.30
Differential Ratio
1.27
Displacement
7,140 cu in / 117.0 L
Empty Weight
1,225,748 lb / 555,990 kg
Engine Make
2236
Engine Model
3524A
Forward - 1
6.70 mph / 10.8 km/h
Forward - 2
9 mph / 14.5 km/h
Forward - 3
12.10 mph / 19.5 km/h
Forward - 4
16.30 mph / 26.2 km/h
Forward - 5
22 mph / 35.4 km/h
Forward - 6
29.70 mph / 47.8 km/h
Forward - 7
39.90 mph / 64.2 km/h
Front Axle - Empty
44 lb / 20 kg
Front Axle - Loaded
33 lb / 15 kg
Fuel Capacity
1,799.90 gal / 6,813.4 L
Gross Power
3,400 hp / 2,535.4 kW
Gross Power - Sae J1995
3,400 hp / 2,535.4 kW
Loaded Weight
719,876 lb / 326,530 kg
Max Speed
39.80 mph / 64.1 km/h
Net Power
3,211 hp / 2,394.4 kW
Net Power - 80/1269/Eec
3,211 hp / 2,394.4 kW
Net Power - Cat
3,211 hp / 2,394.4 kW
Net Power - Iso 9249
3,211 hp / 2,394.4 kW
Net Power - Sae J1349
3,178 hp / 2,369.8 kW
Planetary Ratio
16.67
Pump Flow - High Idle
323 gal/min / 1,222.7 L/min
Rear Axle - Empty
57 lb / 26 kg
Rear Axle - Loaded
67 lb / 30 kg
Relief Valve Setting - Raise
3,450 psi / 237.9 bar
Reverse
7.60
Standards
3,450
Steering Standards
1,511
Total Reduction Ratio
21.09
Weight Distribution Front - Empty
44 lb / 20 kg
Weight Distribution Front - Loaded
33 lb / 15 kg
Weight Distribution Rear - Empty
47 lb / 21 kg
Weight Distribution Rear - Loaded
67 lb / 30 kg
Other
Dump Clearance
6.13 ft / 1.87 m
Maximum Capacity Struck (Sae)
228
Maximum Payload Capacity
720,000 lb / 326,587 kg
Minimum Payload Capacity
642,680 lb / 291,515 kg
Top Speed - Loaded
40 lb / 18 kg
Brake/Hoist Hydraulic Tank
263 gal / 995.6 L
Chassis
458,500
Chassis Weight
459,463 lb / 208,409 kg
Cooling System
315 gal / 1,192.4 L
Crankcase
110 gal / 416.4 L
Fuel Tank - Standard
1,000 gal / 3,785.4 L
Gross Machine Operating Weight (Gmw)
1,314,000 lb / 596,020 kg
Load Capacity - Heaped
287.80 yd³ / 220.04 m³
Net Power
3,370 hp / 2,513.0 kW
Operating Weight - Empty
510,000 lb / 231,332 kg
Operating Weight - Loaded
1,230,000 lb / 557,919 kg
Rops Standards
1,040
Steering System - Including Tank
114 gal / 431.5 L
Steering Tank
62 gal / 234.7 L
Torque Converter/Transmission System - Including Sump
166 lb-ft / 225 Nm
Related Machines
Frequently Asked Questions
How powerful is the Caterpillar 797 Rock Truck engine? +
The Caterpillar 797 Rock Truck produces 3,400 hp (2,535.4 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 797 Rock Truck compare to similar Articulated Dump Truck models? +
You can compare the Caterpillar 797 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.