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Caterpillar 772 Off-Highway Truck
Caterpillar 772 Off-Highway TruckTop Performance. Developed specifically for construction, mining and quarry applications, the 772 optimizes demands for lower cost per ton. Reliable, Durable, Dependable. Rugged construction and easy maintenance procedures ensure long life with low operating costs. |  |  | |||
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 | Overview & Specifications | |  | Features & Benefits | | | Standard Equipment | | | Optional Equipment | | | Work Tools & Attachments | ||
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| Operating Specifications | |
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| Nominal Payload Class | 51 tons / 46 tonnes |
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| Top Speed - Loaded | 49.5 mph / 79.7 km/h |
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| Body Capacity - SAE 2:1 | 41 yd3 / 31.3 m3 |
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| Maximum Capacity | 50 tons / 45 tonnes |
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| Engine | |
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| Engine Model | Cat® C18 ACERT™ |
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| Rated Engine Speed | 1800 RPM / 1800 RPM |
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| Gross Power - SAE J1995 | 598 hp / 446 kW |
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| Net Power - SAE J1349 | 535 hp / 399 kW |
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| Net Power - ISO 9249 | 535 hp / 399 kW |
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| Net Power - 80/1269/EEC | 535 hp / 399 kW |
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| Number of Cylinders | 6 |
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| Bore | 5.7 in / 145 mm |
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| Stroke | 7.2 in / 183 mm |
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| Displacement | 1105 in3 / 18.1 L |
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| Net Power - ISO 9249:1997 | 535 hp / 399 kW |
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| Weights - Approximate | |
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| Target Gross Machine Operating Weight | 181000 lb / 82100 kg |
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| Chassis Weight | 55171 lb / 25025 kg |
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| Body Weight | 22984 lb / 10425 kg |
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| Capacity - Dual Slope - 100% fill factor | |
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| Struck | 31.7 yd3 / 24.2 m3 |
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| Heaped 2:1 (SAE) | 40.8 yd3 / 31.2 m3 |
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| Capacity - Flat Floor - 100% fill factor | |
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| Struck | 30.5 yd3 / 23.3 m3 |
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| Heaped 2:1 (SAE) | 41 yd3 / 31.3 m3 |
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| Weight Distributions - Approximate | |
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| Front Axle - Empty | 48 % / 48 % |
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| Front Axle - Loaded | 34 % / 34 % |
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| Rear Axle - Empty | 52 % / 52 % |
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| Rear Axle - Loaded | 66 % / 66 % |
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| Transmission | |
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| Forward 1 | 8 mph / 12.9 km/h |
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| Forward 2 | 11 mph / 17.7 km/h |
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| Forward 3 | 14.9 mph / 24 km/h |
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| Forward 4 | 20 mph / 32.2 km/h |
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| Forward 5 | 27.1 mph / 43.6 km/h |
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| Forward 6 | 36.5 mph / 58.7 km/h |
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| Forward 7 | 49.5 mph / 79.7 km/h |
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| Reverse | 10.5 mph / 16.9 km/h |
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| Brakes | |
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| Brake Surface - Front | 216 in2 / 1395 cm2 |
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| Brake Surface - Rear | 7794 in2 / 50284 cm2 |
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| Brake Standards | ISO 3450: 1996 |
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| Service Refill Capacities | |
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| Fuel Tank | 140 gal / 530 L |
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| Cooling System | 30 gal / 114 L |
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| Differentials and Final Drives | 22 gal / 83 L |
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| Steering Tank | 9 gal / 34 L |
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| Steering System (Includes Tank) | 15 gal / 56 L |
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| Body Hoists | |
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| Pump Flow - High Idle | 136 gal/min / 515 L/min |
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| Relief Valve Setting - Raise | 2500 psi / 17255 kPa |
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| Relief Valve Setting - Lower | 500 psi / 3450 kPa |
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| Body Raise Time - High Idle | 9.5 Seconds / 9.5 Seconds |
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| Body Lower Time - Float | 12.5 Seconds / 12.5 Seconds |
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| Body Power Down - High Idle | 12.5 Seconds / 12.5 Seconds |
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| Suspension | |
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| Effective Cylinder Stroke - Front | 9.2 in / 234 mm |
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| Effective Cylinder Stroke - Rear | 5.9 in / 149 mm |
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| Rear Axle Oscillation | 5.4 Degrees / 5.4 Degrees |
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| Dimensions | |
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| Height - Top of ROPS | 13.43 ft / 4093 mm |
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| Overall Body Length | 26.81 ft / 8172 mm |
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| Inside Body Length | 18.21 ft / 5549 mm |
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| Overall Length | 28.67 ft / 8740 mm |
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| Wheelbase | 12.99 ft / 3960 mm |
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| Rear Axle to Tail | 8.5 ft / 2590 mm |
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| Ground Clearance | 2.36 ft / 720 mm |
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| Dump Clearance | 1.62 ft / 495 mm |
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| Loading Height - Empty | 11.48 ft / 3500 mm |
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| Inside Body Depth - Max | 5.6 ft / 1706 mm |
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| Overall Height - Body Raised | 27.42 ft / 8357 mm |
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| Operating Width | 15.59 ft / 4751 mm |
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| Centerline Front Tire Width | 10.38 ft / 3165 mm |
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| Engine Guard Clearance | 2.34 ft / 714 mm |
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| Outside Body Width | 12.97 ft / 3952 mm |
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| Inside Body Width | 12.13 ft / 3698 mm |
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| Front Canopy Height | 13.83 ft / 4216 mm |
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| Rear Axle Clearance | 1.84 ft / 560 mm |
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| Centerline Rear Dual Tire Width | 8.7 ft / 2652 mm |
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| Overall Tire Width | 12.88 ft / 3927 mm |
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| Steering | |
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| Steering Standards | ISO 5010:1992 |
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| Steer Angle | 36 Degrees / 36 Degrees |
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