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