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772G Off-Highway Truck
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772G
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Off-Highway Trucks
The Cat® 772 Off-Highway Truck has been in production since 1971 and has been handling the work of mines and quarries for over 40 years. Like all Cat trucks, it is specifically designed for off-road applications with reliable and durable designs. Cat G Series trucks will help you manage your costs with fuel economy options, tire monitoring, and convenient service center options. It can also be equipped to provide you with production, machine health, and operation information using Cat VIMS™. With three body options designed to last the life of the truck, the 772G can meet your individual hauling needs productively, safely, and reliably.
Engine Model
Cat® C18 ACERT™
Rated Engine Speed
1800 r/min/1800 r/min
Gross Power - SAE J1995:2014
598 hp/446 kW
Net Power - SAE J1349:2011
557 hp/415 kW
Key Features
Performance
Fuel Saving Strategies
Brake Performance
Traction Control System
Truck Bodies
Structures
Operator Experience
Information and Monitoring
Simple Service
Customer Support
Safety and Sustainability
Specifications
Metric
|
Imperial
Engine 
Engine Model
Cat® C18 ACERT™
Rated Engine Speed
1800 r/min
1800 r/min
Gross Power - SAE J1995:2014
598 hp
446 kW
Net Power - SAE J1349:2011
557 hp
415 kW
Net Power - ISO 9249
565 hp
421 kW
Net Power - 80/1269/EEC
565 hp
421 kW
Engine Power - ISO 14396
583 hp
435 kW
Net Torque - SAE J1349
1881 lb/ft
2551 N·m
Number of Cylinders
6
Bore
5.7 in
145 mm
Stroke
7.2 in
183 mm
Displacement
1105 in³
18.1 l
Note (1)
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 3000 m (9,843 ft) altitude.
Note (4)
Available as Tier 3/Stage IIIA equivalent, OR Tier 2/Stage II equivalent emission standards.
Note (5)
Meets China Nonroad Stage III emission standards equivalent to U.S. EPA Tier 3 or U.S. EPA Tier 2.
Weights - Approximate
Target Gross Machine Operating Weight
181000 lb
82100 kg
Chassis Weight
59223 lb
26863 kg
Body Weight
17703 lb
8030 kg
Note (1)
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).
Operating Specifications
Nominal Payload Class (100%)
52 ton (US)
47.2 t
Top Speed - Loaded
44.6 mile/h
71.7 km/h
Target Payload (100%)
52 ton (US)
47.2 t
Maximum Working Payload (110%)
57.2 ton (US)
51.9 t
Maximum Allowable Payload (120%)*
62.3 ton (US)
56.6 t
Body Capacity (SAE 2:1)**
40.8 yd³
31.2 m³
Note
*Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations.
Note (1)
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).
Transmission
Forward - 1
8 mile/h
12.9 km/h
Forward - 2
11 mile/h
17.7 km/h
Forward - 3
14.9 mile/h
24 km/h
Forward - 4
20 mile/h
32.2 km/h
Forward - 5
27.1 mile/h
43.6 km/h
Forward - 6
36.5 mile/h
58.7 km/h
Forward - 7
49.5 mile/h
79.7 km/h
Reverse
10.5 mile/h
16.9 km/h
Note
*Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations.
Final Drives
Differential Ratio
2.74:1
Planetary Ratio
4.80:1
Total Reduction Ratio
13.14:1
Brakes
Brake Surface - Front
216 in²
1395 cm²
Brake Surface - Rear
7794 in²
50281 cm²
Brake Standards
ISO 3450:2011
Body Hoists
Pump Flow - High Idle
109 gpm
413 L/min
Relief Valve Setting - Raise
2750 psi
18950 kPa
Relief Valve Setting - Lower
500 psi
3450 kPa
Body Raise Time - High Idle
8 s
8 s
Body Lower Time - Float
10 s
10 s
Body Power Down - High Idle
10 s
10 s
Capacity - Dual Slope - 100% Fill Factor
Struck
31.2 yd³
23.9 m³
Heaped (SAE 2:1)*
40.8 yd³
31.2 m³
Note (1)
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).
Capacity - Flat Floor - 100% Fill Factor
Struck
31.2 yd³
23.9 m³
Heaped (SAE 2:1)*
40.8 yd³
31.2 m³
Note (1)
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).
Weight Distributions - Approximate
Front Axle - Empty
51.4 %
51.4 %
Front Axle - Loaded
34.2 %
34.2 %
Rear Axle - Empty
48.6 %
48.6 %
Rear Axle - Loaded
65.8 %
65.8 %
Suspension
Empty Loaded Cylinder Stroke Front
9.2 in
234 mm
Empty Loaded Cylinder Stroke Rear
5.8 in
149 mm
Rear Axle - Oscillation
8.9°
Service Refill Capacities
Fuel Tank
140 gal (US)
530 l
Cooling System
33 gal (US)
125 l
Crankcase
17 gal (US)
64 l
Differential - Final Drives
39 gal (US)
151 l
Steering Tank
14.5 gal (US)
55 l
Steering System - Includes Tank
20 gal (US)
74 l
Brake/Hoist Hydraulic Tank
38 gal (US)
176 l
Brake Hoist System
60 gal (US)
227 l
Torque Converter - Transmission System
19 gal (US)
72 l
Steering
Steering Standards
SAE J1511 FEB94 ISO 5010:2007
Steer Angle
40.5°
Turning Diameter - Front
57.7 ft
17.6 m
Turning Circle - Clearance Diameter
66.6 ft
20.3 m
Tires
Standard Tire
21.00R33 (E4)
Note (1)
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).
ROPS
FOPS Standards
Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria.
ROPS Standards
Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.
Dimensions (Approximate)
Inside Body Depth - Maximum
5.7 ft
1747 mm
Rear Axle - Tail
8.5 ft
2598 mm
Centerline Front Tire Width
10.4 ft
3165 mm
Centerline of Rear Dual Tire Width
8.7 ft
2652 mm
Ground Clearance
2.3 ft
695 mm
Operating Width
15.7 ft
4780 mm
Front Canopy Height
13.9 ft
4265 mm
Loading Height - Empty
11.9 ft
3639 mm
Inside Body Length
19 ft
5781 mm
Engine Guard Clearance
2.3 ft
711 mm
Outside Body Width
12.9 ft
3931 mm
Overall Length
28.9 ft
8808 mm
Overall Height - Body Raised
27.4 ft
8357 mm
Overall Tire Width
12.9 ft
3927 mm
Dump Clearance
1.8 ft
551 mm
Inside Body Width
12 ft
3642 mm
Height - Top of ROPS
13.2 ft
4012 mm
Rear Axle - Clearance
1.9 ft
591 mm
Wheel Base
13 ft
3960 mm
Overall Body Length
26.8 ft
8172 mm
Equipment
Standard Equipment
Optional Equipment
