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
| Engine Model |
Cat® C18 ACERT™ |
| Rated Engine Speed |
1800 r/min |
| Gross Power - SAE J1995 |
598 HP |
| Net Power - SAE J1349 |
557 HP |
| Net Power - ISO 9249 |
565 HP |
| Net Power - 80/1269/EEC |
565 HP |
| Engine Power - ISO 14396 |
435 kW |
| Net Torque - SAE J1349 |
2551 N·m |
| Number of Cylinders |
6 |
| Bore |
145 mm |
| Stroke |
183 mm |
| Displacement |
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 |
82100 kg |
| Chassis Weight |
26863 kg |
| Body Weight |
8030 kg |
| Note (1) |
Chassis weight with 100% fuel, hoist, body mounting group, rims and tires. |
| Note (2) |
Body weight is the standard Dual Slope body with no liner and will vary depending on configuration. |
Operating Specifications
| Nominal Payload Class (100%) |
47.2 t |
| Top Speed - Loaded |
71.7 km/h |
| Target Payload (100%) |
47.2 t |
| Maximum Working Payload (110%) |
51.9 t |
| Maximum Allowable Payload (120%)* |
56.6 t |
| Body Capacity (SAE 2:1)** |
31.2 m³ |
| Note |
*Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations. |
| Note (1) |
**ISO 6483:1980. |
| Note (2) |
Capacity with Dual Slope body with no liner. |
Transmission
| Forward - 1 |
12.9 km/h |
| Forward - 2 |
17.7 km/h |
| Forward - 3 |
24 km/h |
| Forward - 4 |
32.2 km/h |
| Forward - 5 |
43.6 km/h |
| Forward - 6 |
58.7 km/h |
| Forward - 7 |
79.7 km/h |
| Reverse |
16.9 km/h |
| Note |
Maximum travel speeds with standard 21.00R33 (E4) tires. |
Final Drives
| Differential Ratio |
2.74:1 |
| Planetary Ratio |
4.80:1 |
| Total Reduction Ratio |
13.14:1 |
Brakes
| Brake Surface - Front |
1395 cm² |
| Brake Surface - Rear |
50281 cm² |
| Brake Standards |
ISO 3450:2011 |
Body Hoists
| Pump Flow - High Idle |
413 l/min |
| Relief Valve Setting - Raise |
18950 kPa |
| Relief Valve Setting - Lower |
3450 kPa |
| Body Raise Time - High Idle |
8 s |
| Body Lower Time - Float |
10 s |
| Body Power Down - High Idle |
10 s |
Capacity - Dual Slope - 100% Fill Factor
| Struck |
23.9 m³ |
| Heaped (SAE 2:1)* |
31.2 m³ |
| Note (1) |
Contact your local Cat dealer for body recommendation. |
| Note (2) |
*ISO 6483:1980. |
Capacity - Flat Floor - 100% Fill Factor
| Struck |
23.9 m³ |
| Heaped (SAE 2:1)* |
31.3 m³ |
| Note (1) |
Contact your local Cat dealer for body recommendation. |
| Note (2) |
*ISO 6483:1980. |
Weight Distributions - Approximate
| Front Axle - Empty |
51.4 % |
| Front Axle - Loaded |
34.2 % |
| Rear Axle - Empty |
48.6 % |
| Rear Axle - Loaded |
65.8 % |
Suspension
| Empty Loaded Cylinder Stroke Front |
234 mm |
| Empty Loaded Cylinder Stroke Rear |
149 mm |
| Rear axle - Oscillation |
8.9° |
Service Refill Capacities
| Fuel Tank |
530 l |
| Cooling System |
125 l |
| Crankcase |
64 l |
| Differential - Final Drives |
151 l |
| Steering Tank |
55 l |
| Steering System - Includes Tank |
74 l |
| Brake/Hoist Hydraulic Tank |
176 l |
| Brake Hoist System |
227 l |
| Torque Converter - Transmission System |
72 l |
Steering
| Steering Standards |
SAE J1511 FEB94 ISO 5010:2007 |
| Steer Angle |
40.5° |
| Turning Diameter - Front |
17.6 m |
| Turning Circle - Clearance Diameter |
20.3 m |
Tires
| Standard Tire |
21.00R33 (E4) |
| Note (1) |
Productive capabilities of the 772G truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production. |
| Note (2) |
Caterpillar recommends the customer evaluates all job conditions and consults the tire manufacturer for proper tire selection. |
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 |
1747 mm |
| Rear Axle - Tail |
2598 mm |
| Centerline Front Tire Width |
3165 mm |
| Centerline of Rear Dual Tire Width |
2652 mm |
| Ground Clearance |
695 mm |
| Operating Width |
4780 mm |
| Front Canopy Height |
4265 mm |
| Loading Height - Empty |
3639 mm |
| Inside Body Length |
5781 mm |
| Engine Guard Clearance |
711 mm |
| Outside Body Width |
3931 mm |
| Overall Length |
8808 mm |
| Overall Height - Body Raised |
8357 mm |
| Overall Tire Width |
3927 mm |
| Dump Clearance |
551 mm |
| Inside Body Width |
3642 mm |
| Height - Top of ROPS |
4012 mm |
| Rear Axle - Clearance |
591 mm |
| Wheel Base |
3960 mm |
| Overall Body Length |
8172 mm |
30 Mins