Overview
The Caterpillar 773F 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 703 hp, travel speed of 41.9 mph, fuel capacity of 185.0 gal and hydraulic capacity of 19.0 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 773F 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
740
hp
Rated Payload
120,000
lb
Overall Length
33.58
ft
Full Specifications
119 specs
Dimensions
Centerline Front Tire Width
10.50 ft / 3.20 m
Centerline Of Rear Dual Tire Width
9.58 ft / 2.92 m
Dump Angle
60 deg
Dump Ground Clearance
2.08 ft / 0.63 m
Dump Height
30.42 ft / 9.27 m
Engine Guard Clearance
2.33 ft / 0.71 m
Front Canopy Height
14.58 ft / 4.44 m
Ground Clearance
2.50 ft / 0.76 m
Height - Top Of Rops
13.50 ft / 4.11 m
Inside Body Depth - Maximum
5.92 ft / 1.80 m
Inside Body Length
20.50 ft / 6.25 m
Inside Body Width
12 ft / 3.66 m
Load Capacity - Heaped
46 lb / 21 kg
Load Capacity - Struck
34 lb / 15 kg
Loading Height - Empty
12.50 ft / 3.81 m
Operating Width
17.83 ft / 5.43 m
Outside Body Width
12.92 ft / 3.94 m
Overall Body Length
30.25 ft / 9.22 m
Overall Canopy Width
15.50 ft / 4.72 m
Overall Height
14.58 ft / 4.44 m
Overall Height - Body Raised
30.42 ft / 9.27 m
Overall Length
33.58 ft / 10.24 m
Overall Tire Width
14.50 ft / 4.42 m
Overall Width
17.83 ft / 5.43 m
Rated Payload
120,000 lb / 54,431 kg
Rear Axle - Clearance
2.17 ft / 0.66 m
Rear Axle - Tail
9 lb / 4 kg
Wheel Base
13.83 in / 351 mm
Wheelbase
13.83 ft / 4.22 m
Engine
8.8 mile/h
1
Bore
5.40 in / 137 mm
Brake Surface - Front
216
Brake Surface - Rear
9,497
Brake/Hoist System Fluid Capacity
81 gal / 306.6 L
Cooling System Fluid Capacity
46 gal / 174.1 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
98,312 lb / 44,594 kg
Engine Make
2236
Engine Model
C27 ACERT
Engine Oil Capacity
19 gal / 71.9 L
Flywheel Power
703 hp / 524.0 kW
Forward - 1
6.70 mph / 10.8 km/h
Forward - 2
9.30 mph / 15.0 km/h
Forward - 3
12.60 mph / 20.3 km/h
Forward - 4
17 mph / 27.4 km/h
Forward - 5
23 mph / 37.0 km/h
Forward - 6
31 mph / 49.9 km/h
Forward - 7
41.90 mph / 67.4 km/h
Front Axle - Empty
51 lb / 23 kg
Front Axle - Loaded
35 lb / 16 kg
Fuel Capacity
185 gal / 700.3 L
Fuel Tank
185 gal / 700.3 L
Gross Power
740 hp / 551.8 kW
Gross Power - Sae J1995
740 hp / 551.8 kW
Hydraulic System Fluid Capacity
19 gal / 71.9 L
Loaded Weight
222,000 lb / 100,698 kg
Max Speed
41.90 mph / 67.4 km/h
Max Torque
2,507 lb-ft / 3,399 Nm
Net Power
703 hp / 524.0 kW
Net Power - 80/1269/Eec
703 hp / 524.2 kW
Net Power - Cat
703 hp / 524.0 kW
Net Power - Iso 9249
703 hp / 524.2 kW
Net Power - Sae J1349
703 hp / 524.2 kW
Number Of Gears - Forward
7
Number Of Gears - Reverse
1
Number of Cylinders
12
Peak Torque
2,507 lb-ft / 3,399 Nm
Planetary Ratio
4.80
Power Measured @
1,800 rpm
Pump Flow - High Idle
148 gal/min / 560.2 L/min
Rated Engine Speed
1,800 rpm
Rear Axle - Empty
49 lb / 22 kg
Rear Axle - Loaded
65 lb / 29 kg
Relief Valve Setting - Lower
500 psi / 34.5 bar
Relief Valve Setting - Raise
2,500 psi / 172.4 bar
Reverse
8.80
Steering Standards
1,511
Steering System Fluid Capacity
16 gal / 60.6 L
Stroke
6 in / 152 mm
Total Reduction Ratio
17.49
Turning Circle - Clearance Diameter
85.70 ft / 26.12 m
Weight Distribution Front - Empty
51 lb / 23 kg
Weight Distribution Front - Loaded
35 lb / 16 kg
Weight Distribution Rear - Empty
49 lb / 22 kg
Weight Distribution Rear - Loaded
65 lb / 29 kg
Hydraulics
Brake Standards
3,450
Lower Time
12.50 sec
Raise Time
9.50 sec
Other
Body Capacity - Sae 2:1
45.80
Dump Clearance
2 ft / 0.61 m
Maximum Capacity
107,080
Maximum Working Payload (110%)
134,000 lb / 60,781 kg
Nominal Payload Class (100%)
122,000 lb / 55,338 kg
Not To Exceed Payload (120%)*
146,000 lb / 66,224 kg
Steer Angle
31 deg
Top Speed - Loaded
42 lb / 19 kg
Turning Diameter - Front
77.10 in / 1,958 mm
Body
28,574
Brake / Hoist / Fan Hydraulic Tank
35 gal / 132.5 L
Brake Hoist System - Includes Tank
81 gal / 306.6 L
Cooling System
46 gal / 174.1 L
Crankcase
25 gal / 94.6 L
Differential - Final Drives
41
Effective Cylinder Stroke - Front
9.30 in / 236 mm
Effective Cylinder Stroke - Rear
5.90 in / 150 mm
Heaped 2:1 (Sae)
46.50
Load Capacity - Heaped
52.40 yd³ / 40.06 m³
Net Power
715 hp / 533.2 kW
Rear Axle - Oscillation
8 lb / 4 kg
Rops/Fops Standards
1,040
Sound Standards
1,166
Steering System - Including Tank
16 gal / 60.6 L
Steering Tank
9 gal / 34.1 L
Struck
35
Target Gross Machine Operating Weight
222,001 lb / 100,698 kg
Torque Converter - Transmission System
14 lb-ft / 19 Nm
Torque Converter - Transmission System - Including Sump
19 lb-ft / 26 Nm
Related Machines
Frequently Asked Questions
How powerful is the Caterpillar 773F Rock Truck engine? +
The Caterpillar 773F Rock Truck produces 740 hp (551.8 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 773F Rock Truck compare to similar Articulated Dump Truck models? +
You can compare the Caterpillar 773F 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.