Overview
The Caterpillar 775E 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 730 hp, travel speed of 40.9 mph, fuel capacity of 185.0 gal and hydraulic capacity of 35.0 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 775E Rock Truck against similar articulated dump truck models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Net Power
715
hp
Gross Power
760
hp
Rated Payload
136,488.18
lb
Overall Length
30.21
ft
Full Specifications
112 specs
Dimensions
Centerline Front Tire Width
10.74 ft / 3.27 m
Centerline Of Rear Dual Tire Width
9.58 ft / 2.92 m
Dump Angle
60 deg
Dump Ground Clearance
2.24 ft / 0.68 m
Dump Height
28.86 ft / 8.80 m
Engine Guard Clearance
2.25 ft / 0.69 m
Front Canopy Height
14.47 ft / 4.41 m
Ground Clearance
2.23 ft / 0.68 m
Height - Top Of Rops
12.92 ft / 3.94 m
Inside Body Depth - Maximum
6.25 ft / 1.91 m
Inside Body Length
21.45 ft / 6.54 m
Inside Body Width
13.08 ft / 3.99 m
Load Capacity - Heaped
54 lb / 25 kg
Load Capacity - Struck
41 lb / 19 kg
Loading Height - Empty
12.83 ft / 3.91 m
Operating Width
16.65 ft / 5.07 m
Overall Body Length
28.33 ft / 8.63 m
Overall Canopy Width
15.50 ft / 4.72 m
Overall Height
14.47 ft / 4.41 m
Overall Height - Body Raised
28.86 ft / 8.80 m
Overall Length
30.21 ft / 9.21 m
Overall Tire Width
13.95 ft / 4.25 m
Overall Width
14.63 ft / 4.46 m
Rated Payload
136,488 lb / 61,910 kg
Rear Axle - Clearance
2.17 ft / 0.66 m
Rear Axle - Tail
9 lb / 4 kg
Wheel Base
13.75 in / 349 mm
Wheelbase
13.75 ft / 4.19 m
Engine
7.5 mile/h
1
Bore
5.40 in / 137 mm
Brake Surface - Front
216
Brake Surface - Rear
9,496
Brake/Hoist System Fluid Capacity
81 gal / 306.6 L
Cooling System Fluid Capacity
40 gal / 151.4 L
Diff And Final Drive Fluid Capacity
41 gal / 155.2 L
Differential Ratio
3.64
Displacement
1,649 cu in / 27.0 L
Empty Weight
67,000 lb / 30,391 kg
Engine Make
2236
Engine Model
3412E
Engine Oil Capacity
18 gal / 68.1 L
Flywheel Power
730 hp / 544.4 kW
Forward - 1
6.20 mph / 10.0 km/h
Forward - 2
8.60 mph / 13.8 km/h
Forward - 3
11.60 mph / 18.7 km/h
Forward - 4
15.60 mph / 25.1 km/h
Forward - 5
21.10 mph / 34.0 km/h
Forward - 6
28.50 mph / 45.9 km/h
Forward - 7
41.10 mph / 66.1 km/h
Front Axle - Empty
44 lb / 20 kg
Front Axle - Loaded
31 lb / 14 kg
Fuel Capacity
185 gal / 700.3 L
Fuel Tank
185 gal / 700.3 L
Gross Power
760 hp / 566.7 kW
Gross Power - Sae J1995
760 hp / 566.7 kW
Hydraulic System Fluid Capacity
35 gal / 132.5 L
Loaded Weight
239,000 lb / 108,409 kg
Max Speed
40.90 mph / 65.8 km/h
Max Torque
2,542 lb-ft / 3,447 Nm
Net Power
730 hp / 544.4 kW
Net Power - 80/1269/Eec
730 hp / 544.4 kW
Net Power - Cat
730 hp / 544.4 kW
Net Power - Iso 9249
730 hp / 544.4 kW
Net Power - Sae J1349
730 hp / 544.4 kW
Number Of Gears - Forward
7
Number Of Gears - Reverse
1
Number of Cylinders
12
Planetary Ratio
4.80
Power Measured @
2,000 rpm
Pump Flow - High Idle
148 gal/min / 560.2 L/min
Rated Engine Speed
2,000 rpm
Rear Axle - Empty
56 lb / 25 kg
Rear Axle - Loaded
69 lb / 31 kg
Relief Valve Setting - Lower
500 psi / 34.5 bar
Relief Valve Setting - Raise
2,750 psi / 189.6 bar
Reverse
7.50
Steering Standards
1,511
Steering System Fluid Capacity
16 gal / 60.6 L
Stroke
6 in / 152 mm
Torque Rise
33 lb-ft / 45 Nm
Total Reduction Ratio
17.48
Turning Circle - Clearance Diameter
78.90 ft / 24.05 m
Weight Distribution Front - Empty
44 lb / 20 kg
Weight Distribution Front - Loaded
31 lb / 14 kg
Weight Distribution Rear - Empty
56 lb / 25 kg
Weight Distribution Rear - Loaded
69 lb / 31 kg
Hydraulics
Brake Standards
3,450
Other
Body Capacity - Sae 2:1
54.30
Body Capacity - Struck
41.10
Dump Clearance
2.17 ft / 0.66 m
Maximum Capacity
140,000
Nominal Payload Class (100%)
140,000 lb / 63,503 kg
Steer Angle
31 deg
Top Speed - Loaded
41 lb / 19 kg
68.8 %
100
Body
21,400
Brake Hoist System - Includes Tank
81 gal / 306.6 L
Cooling System
40 gal / 151.4 L
Differential - Final Drives
41
Effective Cylinder Stroke - Front
8.20 in / 208 mm
Effective Cylinder Stroke - Rear
5.90 in / 150 mm
Heaped 2:1 (Sae)
53.90
Load Capacity - Heaped
44.80 yd³ / 34.25 m³
Net Power
715 hp / 533.2 kW
Rear Axle - Oscillation
8 lb / 4 kg
Rops/Fops Standards
1,040
Sound Standards
88
Steering System - Including Tank
16 gal / 60.6 L
Steering Tank
9 gal / 34.1 L
Struck
42.80
Torque Converter - Brake - Hoist Hydraulic Tank
35 gal / 132.5 L
Torque Converter - Transmission System - Including Sump
19 lb-ft / 26 Nm
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Frequently Asked Questions
How powerful is the Caterpillar 775E Rock Truck engine? +
The Caterpillar 775E Rock Truck produces 760 hp (566.7 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 775E Rock Truck compare to similar Articulated Dump Truck models? +
You can compare the Caterpillar 775E 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.