Since Caterpillar introduced the 769 in 1963, our off-road trucks have carried a legacy of rugged, dependable performance in mining and heavy construction. The 772 builds on that heritage with technologies that improve traction, fuel efficiency, operator comfort and haul fleet economics. With updated traction control, flexible fuel-saving strategies, automotive-quality shifting, reduced noise and cab updates, the 772 is designed to keep your operation moving and support the continued success of your business.
| Engine | |
|---|---|
| Engine Model | Cat® C18 |
| Rated Engine Speed | 1700 r/min |
| Gross Power - SAE J1995:2014 | 605 hp / 451 kW |
| Net Power - SAE J1349:2011 | 550 hp / 410 kW |
| Net Power - ISO 9249 | 550 hp / 410 kW |
| Number of Cylinders | 6 |
| Bore | 5.7 in / 145 mm |
| Stroke | 7.2 in / 183 mm |
| Displacement | 1105 in³ / 18.1 l |
| Engine Power - ISO 14396 | 598 hp / 446 kW |
| Weights - Approximate | |
|---|---|
| Target Gross Machine Operating Weight | 181000 lb / 82100 kg |
| Chassis Weight | 59223 lb / 26863 kg |
| Body Weight | 18205 lb / 8258 kg |
| Target Gross Machine Weight | 181000 lb / 82100 kg |
| Operating Specifications | |
|---|---|
| Nominal Payload Class (100%) | 51.6 ton (US) / 46.8 t |
| Top Speed - Loaded | 49.2 mile/h / 79.1 km/h |
| Maximum Payload Class (110%) | 56.7 ton (US) / 51.4 ton (US) |
| Body Capacity - SAE 2:1 | 40.8 yd³ / 31.2 m³ |
| Not to Exceed Payload (120%) | 61.9 ton (US) / 56.1 ton (US) |
| Target Payload Capacity | 51.6 ton (US) / 46.8 ton (US) |
| Body Capacity (SAE 2:1)** | 40.8 yd³ / 31.2 m³ |
| Transmission | |
|---|---|
| Forward - 1 | 8 mile/h / 12.8 km/h |
| Forward - 2 | 10.9 mile/h / 17.5 km/h |
| Forward - 3 | 14.8 mile/h / 23.7 km/h |
| Forward - 4 | 19.8 mile/h / 31.9 km/h |
| Forward - 5 | 26.9 mile/h / 43.3 km/h |
| Forward - 6 | 36.3 mile/h / 58.3 km/h |
| Forward - 7 | 49.2 mile/h / 79.1 km/h |
| Reverse | 10.4 mile/h / 16.8 km/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 / 1395 cm² |
| Brake Surface - Rear | 7794 in² / 50281 cm² |
| Brake Standards | ISO 3450:2011 |
| Body Hoists | |
|---|---|
| Pump Flow - High Idle | 112 gpm / 425 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 |
| Body Lower Time - Float | 10 s |
| Body Power Down - High Idle | 10 s |
| Capacity - Dual Slope - 100% Fill Factor | |
|---|---|
| Struck | 31.2 yd³ / 23.9 m³ |
| Heaped 2:1 (SAE) | 40.8 yd³ / 31.2 m³ |
| Capacity - Flat Floor - 100% Fill Factor | |
|---|---|
| Struck | 31.3 yd³ / 23.9 m³ |
| Heaped 2:1 (SAE) | 40.9 yd³ / 31.3 m³ |
| 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 Front | 9.2 in / 234 mm |
| Empty Loaded Cylinder Stroke Rear | 5.8 in / 149 mm |
| Service Refill Capacities | |
|---|---|
| Fuel Tank | 140 gal (US) / 530 l |
| Cooling System | 33 gal (US) / 125 l |
| Differential - Final Drives | 47 gal (US) / 180 l |
| Steering Tank | 14.5 gal (US) / 55 l |
| Steering System - Including Tank | 23 gal (US) / 87 l |
| Torque Converter - Transmission System | 17 gal (US) / 64 l |
| Brake Hoist System | 60 gal (US) / 227 l |
| Brake/Hoist Hydraulic Tank | 38 gal (US) / 145 l |
| Crankcase | 17 gal (US) / 64 l |
| DEF Tank | 6 gal (US) / 21 l |
| 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 (2) | Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 118 dB(A). |
| Sound Standards (3) | Operator Equivalent Sound Pressure Level (Leq) is 78 dB(A) when ISO 6396:2008 is used to measure the value for an enclosed cab. |
| Steering | |
|---|---|
| Steering Standards | 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 |
| Dimensions | |
|---|---|
| Height - Top of ROPS | 12.8 ft / 3907 mm |
| Overall Body Length | 26.8 ft / 8164 mm |
| Inside Body Depth - Maximum | 5.7 ft / 1747 mm |
| Inside Body Length | 19 ft / 5781 mm |
| Overall Length | 28.9 ft / 8808 mm |
| Wheel Base | 13 ft / 3960 mm |
| Rear Axle - Tail | 9.5 ft / 2598 mm |
| Ground Clearance | 2 ft / 618 mm |
| Dump Clearance | 1.8 ft / 562 mm |
| Loading Height - Empty | 11.7 ft / 3570 mm |
| Overall Height - Body Raised | 27.1 ft / 8257 mm |
| Operating Width | 15.7 ft / 4780 mm |
| Centerline Front Tire Width | 10.4 ft / 3165 mm |
| Engine Guard Clearance | 2 ft / 618 mm |
| Outside Body Width | 12.9 ft / 3931 mm |
| Inside Body Width | 11.9 ft / 3642 mm |
| Front Canopy Height | 13.6 ft / 4159 mm |
| Rear Axle - Clearance | 1.9 ft / 572 mm |
| Centerline of Rear Dual Tire Width | 8.7 ft / 2652 mm |
| Overall Tire Width | 12.9 ft / 3927 mm |
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