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772G Off-Highway Truck
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Learn more about the 772G Off-Highway Truck
Product Specs
Engine
| Engine Model | Cat® C18 |
| Rated Engine Speed | 1700 r/min |
| Gross Power - SAE J1995 | 605 HP |
| Net Power - SAE J1349 | 550 HP |
| Net Power - ISO 9249 | 550 HP |
| Number of Cylinders | 6 |
| Bore | 5.7 in |
| Stroke | 7.2 in |
| Displacement | 1105 in³ |
| Net Torque - SAE J1349 | 2221 ft-lb |
| Engine Power - ISO 14396 | 598 HP |
Weights - Approximate
| Target Gross Machine Operating Weight | 181000 lb |
| Chassis Weight | 59223 lb |
| Body Weight | 17306 lb |
| Target Gross Machine Weight | 181000 lb |
Operating Specifications
| Nominal Payload Class (100%) | 51.6 ton (US) |
| Top Speed - Loaded | 49.2 mile/h |
| Body Capacity - SAE 2:1 | 40.8 yd³ |
| Target Payload Capacity | 51.6 ton (US) |
| Not to Exceed Payload (120%) | 61.9 ton (US) |
| Maximum Payload Class (110%) | 56.7 ton (US) |
Transmission
| Forward - 1 | 8 mile/h |
| Forward - 2 | 10.9 mile/h |
| Forward - 3 | 14.8 mile/h |
| Forward - 4 | 19.8 mile/h |
| Forward - 5 | 26.9 mile/h |
| Forward - 6 | 36.2 mile/h |
| Forward - 7 | 49.2 mile/h |
| Reverse | 10.4 mile/h |
Final Drives
| Differential Ratio | 2.74:1 |
| Planetary Ratio | 4.80:1 |
| Total Reduction Ratio | 13.14:1 |
Brakes
| Brake Surface - Front | 216 in² |
| Brake Surface - Rear | 7794 in² |
| Brake Standards | ISO 3450:1996 |
Body Hoists
| Pump Flow - High Idle | 118 gal/min |
| Relief Valve Setting - Raise | 2750 psi |
| Relief Valve Setting - Lower | 500 psi |
| Body Raise Time - High Idle | 7.5 s |
| Body Lower Time - Float | 10 s |
| Body Power Down - High Idle | 10 s |
Capacity - Dual Slope - 100% Fill Factor
| Struck | 31.3 yd³ |
| Heaped 2:1 (SAE) | 40.8 yd³ |
Capacity - Flat Floor - 100% Fill Factor
| Struck | 31.3 yd³ |
| Heaped 2:1 (SAE) | 40.9 yd³ |
Weight Distributions - Approximate
| Front Axle - Empty | 51.4 % |
| Front Axle - Loaded | 34.2 % |
| Rear Axle - Empty | 48.6 % |
| Rear Axle - Loaded | 65.8 % |
Suspension
| Rear axle - Oscillation | 8.9 ° |
| Empty Loaded Cylinder Stroke Rear | 5.8 in |
| Empty Loaded Cylinder Stroke Front | 9.2 in |
Service Refill Capacities
| Fuel Tank | 140 gal (US) |
| Cooling System | 33 gal (US) |
| Differential - Final Drives | 47 gal (US) |
| Steering Tank | 14.5 gal (US) |
| Steering System - Including Tank | 23 gal (US) |
| Torque Converter - Transmission System | 17 gal (US) |
| DEF Tank | 6 gal (US) |
| Brake Hoist System | 60 gal (US) |
| Crankcase | 17 gal (US) |
| Brake/Hoist Hydraulic Tank | 38 gal (US) |
Tires
| Standard Tire | 21.00R33 (E4) |
ROPS
| ROPS Standards | ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria. |
| FOPS Standards | FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria. |
Sound
| Sound Standards (1) | Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment. |
| Sound Standards (3) | Operator Equivalent Sound Pressure Level (Leq) is 74 dB(A) when ISO 6396:2008 is used to measure the value for an enclosed cab. |
| Sound Standards (2) | Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 115 dB(A). |
Steering
| Turning Diameter - Front | 57.7 ft |
| Steering Standards | ISO 5010:2007 |
| Steer Angle | 31 ° |
| Turning Circle - Clearance Diameter | 66.6 ft |
Dimensions
| Inside Body Depth - Maximum | 5.7 ft |
| Height - Top of ROPS | 12.8 ft |
| Overall Body Length | 26.8 ft |
| Inside Body Length | 19 ft |
| Overall Length | 28.9 ft |
| Wheel Base | 13 ft |
| Rear Axle - Tail | 9.5 ft |
| Ground Clearance | 1.6 ft |
| Dump Clearance | 1.5 ft |
| Loading Height - Empty | 11.6 ft |
| Overall Height - Body Raised | 27.1 ft |
| Operating Width | 15.7 ft |
| Centerline Front Tire Width | 10.4 ft |
| Engine Guard Clearance | 2 ft |
| Outside Body Width | 12.9 ft |
| Inside Body Width | 11.9 ft |
| Front Canopy Height | 13.7 ft |
| Rear Axle - Clearance | 1.9 ft |
| Centerline of Rear Dual Tire Width | 8.7 ft |
| Overall Tire Width | 12.9 ft |