Category : Off-Highway Trucks ➔ Manufacturer : Caterpillar ➔ Model : 777F ➔
The Caterpillar 777F is a rigid-frame off-highway truck designed for high-volume hauling in mining, quarry, and large earthmoving applications. It is part of Caterpillar's 777 series and is commonly used to transport overburden, aggregate, and other bulk materials across rough terrain. The 777F features a large payload capacity, diesel power, and a heavy-duty chassis built for durability in demanding site conditions. Typical configurations include advanced operator controls, service access points, and systems intended to support productivity and maintenance efficiency. The model is widely recognized in off-highway haul truck fleets for material transport in surface mining and construction operations.
Approximate Weights - Dual Slope
Caterpillar 777F Off-Highway Truck Approximate Weights - Dual Slope specifications
Body
36,200.00 lbs (16,420.06 kg)
Body - Dual Slope Rubber Lined
51,114.00 lbs (23,184.95 kg)
Chassis
107,756.00 lbs (48,877.36 kg)
Chassis - Dual Slope Rubber Lined
107,756.00 lbs (48,877.36 kg)
Empty Chassis Weight - Dual Slope Lined
154,753.00 lbs (70,194.87 kg)
Empty Machine Weight - Dual Slope Lined
107,756.00 lbs (48,877.36 kg)
Front Axle - Empty
45 %
Front Axle - Loaded
33 %
Gross Vehicle - Dual Slope Rubber Lined
156,963.00 lbs (71,197.31 kg)
Gross Weight - Empty
142,039.00 lbs (64,427.89 kg)
Rear Axle - Empty
55 %
Rear Axle - Loaded
67 %
Body Hoists
Caterpillar 777F Off-Highway Truck Body Hoists specifications
Body Power Down - High Idle
12 s
Body Raise Time - High Idle
15 s
High Idle Body Lower Time - Float
10 s
Pump Flow - High Idle
130.00 gpm (492.05 lpm)
Relief Valve Setting - Lower
500 psi
Relief Valve Setting - Raise
2750 psi
Braking System
Caterpillar 777F Off-Highway Truck Braking System specifications
Brake Surface - Front
6235 in2
Brake Surface - Rear
15828 in2
Standards
ISO 3450:1996
Capacity - Dual Slope - 100% Fill Factor
Caterpillar 777F Off-Highway Truck Capacity - Dual Slope - 100% Fill Factor specifications
Heaped (Sae 2:1)
78.8 cu yd
Struck
54.8 cu yd
Dimensions
Caterpillar 777F Off-Highway Truck Dimensions specifications
Centerline Front Tire Width
13.28 ft (4.05 m)
Centerline Of Rear Dual Tire Width
11.73 ft (3.58 m)
Dump Clearance
3.17 ft (0.97 m)
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)
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
17.00 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)
Rear Axle - Clearance
2.88 ft (0.88 m)
Rear Axle - Tail
10.04 ft (3.06 m)
Wheel Base
14.96 ft (4.56 m)
Wheelbase
14.96 ft (4.56 m)
Dump
Caterpillar 777F Off-Highway Truck Dump specifications
Dump Angle
49.4 degrees
Load Capacity - Heaped
78.8 cu yd
Load Capacity - Struck
54.8 cu yd
Lower Time
13 sec
Raise Time
15 sec
Rated Payload
200,000.00 lbs (90,718.59 kg)
Engine
Caterpillar 777F Off-Highway Truck Engine specifications
Aspiration
Turbocharged
Bore
5.70 in (14.48 cm)
Displacement
1,959.00 cu in (32,102.33 cu cm)
Engine Make
2236
Engine Model
C32 ACERT
Gross Power
1,016.00 hp (757.64 kw)
Gross Power - Sae J1995
1,016.00 hp (757.64 kw)
Max Torque
3,478.00 lbs ft (4,715.47 nm)
Net Power
939.00 hp (700.22 kw)
Net Power - 80/1269/Eec
938.70 hp (700.00 kw)
Net Power - Cat
938.70 hp (700.00 kw)
Net Power - Iso 9249
938.70 hp (700.00 kw)
Net Power - Sae J1349
938.70 hp (700.00 kw)
Number Of Cylinders
12
Peak Torque
2,478.00 lbs ft (3,359.67 nm)
Stroke
6.40 in (16.26 cm)
Final Drives
Caterpillar 777F Off-Highway Truck Final Drives specifications
Differential Ratio
2.74:1
Planetary Ratio
7.00:1
Total Reduction Ratio
19.16:1
Operating Specifications
Caterpillar 777F Off-Highway Truck Operating Specifications specifications
Maximum Capacity Struck (Sae)
54.8 cu yd
Maximum Payload Capacity
200,000.00 lbs (90,718.59 kg)
Nominal Payload Capacity
200,000.00 lbs (90,718.59 kg)
Sae (2:1) Capacity
78.8 cu yd
Steer Angle
305 degrees
Top Speed - Loaded
40.10 mph (64.53 kph)
Turning Diameter - Front
83.00 ft (25.30 m)
Operational
Caterpillar 777F Off-Highway Truck Operational specifications
Brake/Hoist System Fluid Capacity
133.00 gal (503.41 l)
Cooling System Fluid Capacity
61.00 gal (230.89 l)
Diff And Final Drive Fluid Capacity
70.00 gal (264.95 l)
Engine Oil Capacity
133.00 gal (503.41 l)
Fuel Capacity
300.00 gal (1,135.50 l)
Hydraulic System Fluid Capacity
50.00 gal (189.25 l)
Steering System Fluid Capacity
15.00 gal (56.78 l)
Tire Size
27.00R49(E4)
Rops
Caterpillar 777F Off-Highway Truck Rops specifications
Rops Standards
.ISO 3471:1994 ISO 3449:1992 Level II
Service Refill Capacities
Caterpillar 777F Off-Highway Truck Service Refill Capacities specifications
Brake Hoist System - Includes Tank
133.00 gal (503.41 l)
Brake/Hoist Hydraulic Tank
50.00 gal (189.25 l)
Cooling System
61.00 gal (230.89 l)
Crankcase
30.00 gal (113.55 l)
Differential - Final Drives
70.00 gal (264.95 l)
Fuel Tank - Standard
300.00 gal (1,135.50 l)
Steering System - Including Tank
15.00 gal (56.78 l)
Steering Tank
8.00 gal (30.28 l)
Torque Converter/Transmission System - Including Sump
65.00 gal (246.03 l)
Transmission Tank
12.00 gal (45.42 l)
Sound
Caterpillar 777F Off-Highway Truck Sound specifications
Sound Standards
.ANSI/J919 APR95 SAE J88 APR95
Steering
Caterpillar 777F Off-Highway Truck Steering specifications
Steering Standards
SAE J1511 FEB94 ISO 5010:1992
Suspension
Caterpillar 777F Off-Highway Truck Suspension specifications
Effective Cylinder Stroke - Front
12.60 in (32.00 cm)
Effective Cylinder Stroke - Rear
6.50 in (16.51 cm)
Tires
Caterpillar 777F Off-Highway Truck Tires specifications
Standard Tires
27.00R49 (E4)
Transmission
Caterpillar 777F Off-Highway Truck Transmission specifications
Forward - 1
6.50 mph (10.46 kph)
Forward - 2
8.90 mph (14.32 kph)
Forward - 3
12.00 mph (19.31 kph)
Forward - 4
16.20 mph (26.07 kph)
Forward - 5
22.00 mph (35.41 kph)
Forward - 6
29.60 mph (47.64 kph)
Forward - 7
40.10 mph (64.53 kph)
Max Speed
40.10 mph (64.53 kph)
Number Of Gears - Forward
7
Number Of Gears - Reverse
1
Reverse
7.5 mile/h
Transmission Type
Seven-speed planetary power shift
Weights
Caterpillar 777F Off-Highway Truck Weights specifications
Empty Weight
163,089.90 lbs (73,976.43 kg)
Loaded Weight
360,000.00 lbs (163,293.46 kg)
Weight Distribution Front - Empty
45 %
Weight Distribution Front - Loaded
33 %
Weight Distribution Rear - Empty
55 %
Weight Distribution Rear - Loaded
67 %
Weights - Approximate
Caterpillar 777F Off-Highway Truck Weights - Approximate specifications
Body Weight - Msd
36,200.00 lbs (16,420.06 kg)
Chassis Weight
107,756.00 lbs (48,877.36 kg)
Gross Machine Operating Weight (Gmw)
36,200.00 lbs (16,420.06 kg)
Operating Weight - Empty
163,089.90 lbs (73,976.43 kg)
Operating Weight - Loaded
360,000.00 lbs (163,293.46 kg)
