Overview
The Caterpillar 777F 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 939 hp, travel speed of 40.1 mph, fuel capacity of 300.0 gal and hydraulic capacity of 50.0 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 777F Rock Truck against similar articulated dump truck models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Net Power
938
hp
Gross Power
1,016
hp
Rated Payload
200,000
lb
Overall Length
34.56
ft
Full Specifications
125 specs
Dimensions
Centerline Front Tire Width
13.28 ft / 4.05 m
Centerline Of Rear Dual Tire Width
11.73 ft / 3.58 m
Dump Angle
49.40 deg
Dump Ground Clearance
3.17 ft / 0.97 m
Dump Height
33.92 ft / 10.34 m
Engine Guard Clearance
2.83 ft / 0.86 m
Front Canopy Height
16.96 ft / 5.17 m
Ground Clearance
2.93 ft / 0.89 m
Height - Top Of Rops
15.46 ft / 4.71 m
Inside Body Depth - Maximum
6.21 ft / 1.89 m
Inside Body Length
21.58 ft / 6.58 m
Inside Body Width
17.06 ft / 5.20 m
Load Capacity - Heaped
79 lb / 36 kg
Load Capacity - Struck
55 lb / 25 kg
Loading Height - Empty
14.37 ft / 4.38 m
Operating Width
21.30 ft / 6.49 m
Outside Body Width
18.12 ft / 5.52 m
Overall Body Length
32.25 ft / 9.83 m
Overall Canopy Width
19.84 ft / 6.05 m
Overall Height
17 ft / 5.18 m
Overall Height - Body Raised
33.87 ft / 10.32 m
Overall Length
34.56 ft / 10.53 m
Overall Tire Width
17.13 ft / 5.22 m
Overall Width
21.30 ft / 6.49 m
Rated Payload
200,000 lb / 90,718 kg
Rear Axle - Clearance
2.88 ft / 0.88 m
Rear Axle - Tail
10 lb / 5 kg
Wheel Base
14.96 in / 380 mm
Wheelbase
14.96 ft / 4.56 m
Engine
7.5 mile/h
1
Body Power Down - High Idle
12
Bore
5.70 in / 145 mm
Brake Surface - Front
6,235
Brake Surface - Rear
15,828
Brake/Hoist System Fluid Capacity
133 gal / 503.5 L
Cooling System Fluid Capacity
61 gal / 230.9 L
Diff And Final Drive Fluid Capacity
70 gal / 265.0 L
Differential Ratio
2.74
Displacement
1,959 cu in / 32.1 L
Empty Weight
163,090 lb / 73,976 kg
Engine Make
2236
Engine Model
C32 ACERT
Engine Oil Capacity
133 gal / 503.5 L
Forward - 1
6.50 mph / 10.5 km/h
Forward - 2
8.90 mph / 14.3 km/h
Forward - 3
12 mph / 19.3 km/h
Forward - 4
16.20 mph / 26.1 km/h
Forward - 5
22 mph / 35.4 km/h
Forward - 6
29.60 mph / 47.6 km/h
Forward - 7
40.10 mph / 64.5 km/h
Front Axle - Empty
45 lb / 20 kg
Front Axle - Loaded
33 lb / 15 kg
Fuel Capacity
300 gal / 1,135.6 L
Gross Power
1,016 hp / 757.6 kW
Gross Power - Sae J1995
1,016 hp / 757.6 kW
Hydraulic System Fluid Capacity
50 gal / 189.3 L
Loaded Weight
360,000 lb / 163,293 kg
Max Speed
40.10 mph / 64.5 km/h
Max Torque
3,478 lb-ft / 4,716 Nm
Net Power
939 hp / 700.2 kW
Net Power - 80/1269/Eec
939 hp / 700.0 kW
Net Power - Cat
939 hp / 700.0 kW
Net Power - Iso 9249
939 hp / 700.0 kW
Net Power - Sae J1349
939 hp / 700.0 kW
Number Of Gears - Forward
7
Number Of Gears - Reverse
1
Number of Cylinders
12
Peak Torque
2,478 lb-ft / 3,360 Nm
Planetary Ratio
7
Pump Flow - High Idle
130 gal/min / 492.1 L/min
Rear Axle - Empty
55 lb / 25 kg
Rear Axle - Loaded
67 lb / 30 kg
Relief Valve Setting - Lower
500 psi / 34.5 bar
Relief Valve Setting - Raise
2,750 psi / 189.6 bar
Reverse
7.50
Standards
3,450
Steering Standards
1,511
Steering System Fluid Capacity
15 gal / 56.8 L
Stroke
6.40 in / 163 mm
Total Reduction Ratio
19.16
Weight Distribution Front - Empty
45 lb / 20 kg
Weight Distribution Front - Loaded
33 lb / 15 kg
Weight Distribution Rear - Empty
55 lb / 25 kg
Weight Distribution Rear - Loaded
67 lb / 30 kg
Hydraulics
Heaped (Sae 2:1)
78.80
Lower Time
13 sec
Raise Time
15 sec
Other
Dump Clearance
3.17 ft / 0.97 m
Maximum Capacity Struck (Sae)
54.80
Maximum Payload Capacity
200,000 lb / 90,718 kg
Nominal Payload Capacity
200,000 lb / 90,718 kg
Sae (2:1) Capacity
78.80
Steer Angle
305 deg
Top Speed - Loaded
40 lb / 18 kg
Turning Diameter - Front
83 in / 2,108 mm
Body
36,200
Body - Dual Slope Rubber Lined
51,114
Body Weight - Msd
36,200 lb / 16,420 kg
Brake Hoist System - Includes Tank
133 gal / 503.5 L
Brake/Hoist Hydraulic Tank
50 gal / 189.3 L
Chassis
107,756
Chassis - Dual Slope Rubber Lined
107,756
Chassis Weight
107,756 lb / 48,877 kg
Cooling System
61 gal / 230.9 L
Crankcase
30 gal / 113.6 L
Differential - Final Drives
70
Effective Cylinder Stroke - Front
12.60 in / 320 mm
Effective Cylinder Stroke - Rear
6.50 in / 165 mm
Empty Chassis Weight - Dual Slope Lined
154,753 lb / 70,195 kg
Empty Machine Weight - Dual Slope Lined
107,756 lb / 48,877 kg
Fuel Tank - Standard
300 gal / 1,135.6 L
Gross Machine Operating Weight (Gmw)
36,200 lb / 16,420 kg
Gross Vehicle - Dual Slope Rubber Lined
156,963
Gross Weight - Empty
142,039 lb / 64,428 kg
Load Capacity - Heaped
79.20 yd³ / 60.55 m³
Net Power
938 hp / 699.5 kW
Operating Weight - Empty
163,090 lb / 73,976 kg
Operating Weight - Loaded
360,000 lb / 163,293 kg
Rops Standards
3,471
Sound Standards
919
Steering System - Including Tank
15 gal / 56.8 L
Steering Tank
8 gal / 30.3 L
Struck
54.80
Torque Converter/Transmission System - Including Sump
65 lb-ft / 88 Nm
Transmission Tank
12 gal / 45.4 L
Videos 8
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Frequently Asked Questions
How powerful is the Caterpillar 777F Rock Truck engine? +
The Caterpillar 777F Rock Truck produces 1,016 hp (757.6 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 777F Rock Truck compare to similar Articulated Dump Truck models? +
You can compare the Caterpillar 777F 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.