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Caterpillar 772 Off-Highway Truck

Top 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

Operating Specifications

Nominal Payload Class	50 tons / 45 tonnes

Top Speed - Loaded	49.5 mph / 79.7 km/h

Body Capacity - SAE 2:1	41 yd3 / 31.3 m3

Engine

Engine Model	Cat® C18 ACERT™

Rated Engine Speed	1800 RPM / 1800 RPM

Gross Power - SAE J1995	598 hp / 446 kW

Net Power - SAE J1349	535 hp / 399 kW

Net Power - 80/1269/EEC	535 hp / 399 kW

Net Power - ISO 9249	535 hp / 399 kW

Number of Cylinders	6

Bore	5.7 in / 145 mm

Stroke	7.2 in / 183 mm

Displacement	1105 in3 / 18.1 L

Net Power - ISO 9249:1997	535 hp / 399 kW

Weights - Approximate

Target Gross Machine Operating Weight	181000 lb / 82100 kg

Chassis Weight	55171 lb / 25025 kg

Body Weight	22984 lb / 10425 kg

Capacity - Dual Slope - 100% fill factor

Struck	31.7 yd3 / 24.2 m3

Heaped 2:1 (SAE)	40.8 yd3 / 31.2 m3

Capacity - Flat Floor - 100% fill factor

Struck	30.5 yd3 / 23.3 m3

Heaped 2:1 (SAE)	41 yd3 / 31.3 m3

Weight Distributions - Approximate

Front Axle - Empty	48 % / 48 %

Front Axle - Loaded	34 % / 34 %

Rear Axle - Empty	52 % / 52 %

Rear Axle - Loaded	66 % / 66 %

Transmission

Forward 1	8 mph / 12.9 km/h

Forward 2	11 mph / 17.7 km/h

Forward 3	14.9 mph / 24 km/h

Forward 4	20 mph / 32.2 km/h

Forward 5	27.1 mph / 43.6 km/h

Forward 6	36.5 mph / 58.7 km/h

Forward 7	49.5 mph / 79.7 km/h

Reverse	10.5 mph / 16.9 km/h

Brakes

Brake Surface - Front	216 in2 / 1395 cm2

Brake Surface - Rear	7794 in2 / 50284 cm2

Brake Standards	ISO 3450: 1996

Service Refill Capacities

Fuel Tank	140 gal / 530 L

Cooling System	30 gal / 114 L

Differentials and Final Drives	22 gal / 83 L

Steering Tank	9 gal / 34 L

Steering System (Includes Tank)	15 gal / 56 L

Body Hoists

Pump Flow - High Idle	136 gal/min / 515 L/min

Relief Valve Setting - Raise	2500 psi / 17255 kPa

Relief Valve Setting - Lower	500 psi / 3450 kPa

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

Suspension

Effective Cylinder Stroke - Front	9.2 in / 234 mm

Effective Cylinder Stroke - Rear	5.9 in / 149 mm

Rear Axle Oscillation	5.4 Degrees / 5.4 Degrees

Dimensions

Height to Top of ROPS	13.43 ft / 4093 mm

Overall Body Length	26.81 ft / 8172 mm

Inside Body Length	18.21 ft / 5549 mm

Overall Length	28.67 ft / 8740 mm

Wheelbase	12.99 ft / 3960 mm

Rear Axle to Tail	8.5 ft / 2590 mm

Ground Clearance	2.36 ft / 720 mm

Dump Clearance	1.62 ft / 495 mm

Loading Height - Empty	11.48 ft / 3500 mm

Inside Body Depth - Max	5.6 ft / 1706 mm

Overall Height - Body Raised	27.42 ft / 8357 mm

Operating Width	15.59 ft / 4751 mm

Centerline Front Tire Width	10.38 ft / 3165 mm

Engine Guard Clearance	2.34 ft / 714 mm

Outside Body Width	12.97 ft / 3952 mm

Inside Body Width	12.13 ft / 3698 mm

Front Canopy Height	13.83 ft / 4216 mm

Rear Axle Clearance	1.84 ft / 560 mm

Centerline Rear Dual Tire Width	8.7 ft / 2652 mm

Overall Tire Width	12.88 ft / 3927 mm

Steering

Steering Standards	ISO 5010:1992

Steer Angle	36 Degrees / 36 Degrees