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777 (05)
777 Off-Highway Truck
777 Internal Cab
777 Internal Cab Dashboard
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777 (05)
777 (05)
Off-Highway Trucks
Cat® 777 Off-Highway Truck provides best in class with increased performance, improved fuel efficiency, superior transmission controls, and enhanced cabin comfort – designed to offer durability plus a reduced total-cost of ownership.
Engine Model
Cat® C32B
Engine Speed
1800 r/min/1800 r/min
Gross Power - SAE J1995:2014
1026 hp/765 kW
Net Power - SAE J1349:2011
953 hp/711 kW
Key Features
ACHIEVE GREATER PRODUCTIVITY
BOOST FUEL EFFICIENCY
DESIGNED FOR SAFETY
EASY TO OPERATE
INTEGRATED CAT TECHNOLOGIES
PROVEN RELIABILITY AND SERVICEABILITY
ENHANCED DURABILITY
Specifications
Metric
|
Imperial
Engine 
Engine Model
Cat® C32B
Engine Speed
1800 r/min
1800 r/min
Gross Power - SAE J1995:2014
1026 hp
765 kW
Net Power - SAE J1349:2011
953 hp
711 kW
Net Torque
3784 lb/ft
5130 N·m
Net Torque Rise
36%
Cylinders
12
Bore
5.7 in
145 mm
Stroke
6.4 in
162 mm
Displacement
1959 in³
32.1 l
Emissions (1)
Meets U.S. EPA Tier 2 Equivalent emission standards.
Engine Power - ISO 14396:2002
1008 hp
752 kW
Emissions (2)
Certified for China Nonroad Stage III emission standards.
Note (1)
Net power available at the flywheel when the engine is equipped
with fan, air cleaner, muffler, and alternator with engine speed at
1,800 rpm. Power rating applies at 1,800 rpm when tested under the specified condition for the specified standard.
Note (2)
Ratings based on SAE J1995 standard air conditions of 25° C (77° F) and 100 kPa (29.61 Hg) barometer. Power based on fuel having API gravity of 35 at 16° C (60° F) and an LHV of 42 780 kJ/kg (18,390 BTU/lb) when engine used at 30° C (86° F).
Note (3)
No engine derating required up to 3048 m (10,000 ft) altitude.
Operating Specifications
Target Payload (100%)
108.3 ton (US)
98.2 t
Top Speed - Loaded
41.7 mile/h
67.1 km/h
Maximum Working Payload (110%)
238170 lb
108032 kg
Not to Exceed Payload (120%)
259822 lb
117853 kg
Note
Empty Operating weights may vary based on the machine configuration
Note (1)
Net power available at the flywheel when the engine is equipped
with fan, air cleaner, muffler, and alternator with engine speed at
1,800 rpm. Power rating applies at 1,800 rpm when tested under the specified condition for the specified standard.
Note (2)
Ratings based on SAE J1995 standard air conditions of 25° C (77° F) and 100 kPa (29.61 Hg) barometer. Power based on fuel having API gravity of 35 at 16° C (60° F) and an LHV of 42 780 kJ/kg (18,390 BTU/lb) when engine used at 30° C (86° F).
Approximate Weights - Dual Slope
Body
35428 lb
16070 kg
Empty Vehicle
143629 lb
65149 kg
Gross Vehicle
360147 lb
163360 kg
Chassis
108201 lb
49079 kg
Body with Standard Liner
12269 lb
21665 kg
Weight Distributions - Approximate
Rear Axle - Empty/Loaded
54% / 70%
Front Axle - Empty/Loaded
46% / 30%
Body Hoists
Body Raise Time - High Idle
15 s
15 s
Body Lower Time - Float
13 s
13 s
Body Lower Time - High Idle
13 s
13 s
Capacity - Dual Slope - 100% Fill Factor
Struck
54.8 yd³
41.9 m³
Heaped 2:1 (SAE)
78.6 yd³
60.1 m³
Note (1)
Net power available at the flywheel when the engine is equipped
with fan, air cleaner, muffler, and alternator with engine speed at
1,800 rpm. Power rating applies at 1,800 rpm when tested under the specified condition for the specified standard.
Capacity - Flat Floor - 100% Fill Factor
Struck
54.8 yd³
41.9 m³
Heaped 2:1 (SAE)
78.6 yd³
60.1 m³
Note (1)
Net power available at the flywheel when the engine is equipped
with fan, air cleaner, muffler, and alternator with engine speed at
1,800 rpm. Power rating applies at 1,800 rpm when tested under the specified condition for the specified standard.
Transmission
Forward - 1
6.8 mile/h
10.9 km/h
Forward - 2
9.2 mile/h
14.8 km/h
Forward - 3
12.5 mile/h
20.1 km/h
Forward - 4
16.9 mile/h
27.1 km/h
Forward - 5
22.9 mile/h
36.8 km/h
Forward - 6
30.7 mile/h
49.4 km/h
Forward - 7
41.7 mile/h
67.1 km/h
Reverse - 1
7.5 mile/h
12.1 km/h
Note
Empty Operating weights may vary based on the machine configuration
Service Refill Capacities
Fuel Tank
300 gal (US)
1140 l
Cooling System
56 gal (US)
212 l
Crankcase
30 gal (US)
115 l
Differentials
59 gal (US)
222 l
Final Drive - Each
11 gal (US)
42 l
Steering System - Includes Tank
16 gal (US)
60 l
Brake Hoist System
110 gal (US)
420 l
Torque Converter - Transmission System
33 gal (US)
125 l
Tires
Standard Tire
27.00R49 (E4)
Note (1)
Net power available at the flywheel when the engine is equipped
with fan, air cleaner, muffler, and alternator with engine speed at
1,800 rpm. Power rating applies at 1,800 rpm when tested under the specified condition for the specified standard.
Note (2)
Ratings based on SAE J1995 standard air conditions of 25° C (77° F) and 100 kPa (29.61 Hg) barometer. Power based on fuel having API gravity of 35 at 16° C (60° F) and an LHV of 42 780 kJ/kg (18,390 BTU/lb) when engine used at 30° C (86° F).
Suspension
Effective Cylinder Stroke - Rear
6.5 in
165 mm
Effective Cylinder Stroke - Front
12.5 in
318 mm
Rear Axle - Oscillation
5.4°
Final Drives
Differential Ratio
2.74:1
Planetary Ratio
7.00:1
Total Reduction Ratio
19.16:1
Brakes
Brake Surface Area - Front Caliper
432 in²
2787 cm²
Brake Surface Area - Front OCDB
6235 in²
40225 cm²
Brake Surface Area - Rear
15828 in²
102116 cm²
Brake Standards
ISO 3450:2011
ROPS
ROPS
ROPS (Rollover Protective Structure) cab offered by Caterpillar meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer.
FOPS
FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 for Operator and ISO 13459:2012 Level II FOPS criteria for Trainer.
Sound
Note (1)
Net power available at the flywheel when the engine is equipped
with fan, air cleaner, muffler, and alternator with engine speed at
1,800 rpm. Power rating applies at 1,800 rpm when tested under the specified condition for the specified standard.
Sound Standards
ISO 6396:2008
Steering
Steering Standards
ISO 5010:2007
Steer Angle
30.5°
Turning Diameter - Front
83 ft
25.3 m
Turning Circle - Clearance Diameter
93.17 ft
28.4 m
Dimensions (Approximate) - Dual Slope
Loading Height - Empty
14.37 ft
4380 mm
Dump Clearance
2.91 ft
890 mm
Overall Height - Body Raised
33 ft
9953 mm
Front Canopy Height - Loaded
17 ft
5177 mm
Height - Top of ROPS - Loaded
15.51 ft
4730 mm
Overall Body Length
31.35 ft
9555 mm
Centerline Front Tire Width
13.66 ft
4163 mm
Operating Width
21.47 ft
6545 mm
Inside Body Length
21.54 ft
6920 mm
Inside Body Width
17.05 ft
5197 mm
Wheel Base
14.99 ft
4570 mm
Overall Tire Width
17.26 ft
5262 mm
Overall Canopy Width
19.87 ft
6200 mm
Ground Clearance
2.93 ft
896 mm
Overall Length
32.82 ft
10004 mm
Rear Axle - Clearance
2.95 ft
902 mm
Rear Axle - Tail
10 ft
3045 mm
Outside Body Width
18.12 ft
5524 mm
Inside Body Depth - Maximum
6.21 ft
1895 mm
Centerline of Rear Dual Tire Width
11.73 ft
3576 mm
Overall Front Tire Width
16.28 ft
4961 mm
Operating Width - Extended Catwalk
21.47 ft
6545 mm
Engine Guard Clearance
2.83 ft
864 mm
Equipment
Standard Equipment
