772 (07) Off-Highway Truck

Overview

Your long-term success is our goal here at Cat, so we’ve developed our 772 to be more productive and economical for our customers for years to come. Equipped with productive transmission controls, the 772 is built for heavy-duty, off-road applications and delivers quick haul cycles with automotive-quality shifting and comfort. The 772 is also built with a Cat C18 diesel engine and with our fuel saving strategies, you can adjust engine power to meet your specific needs. Ideal pass match options for the 772 are the Cat 986K or the 988K Wheel Loader and the 390F L Hydraulic Excavator. When you consider its fuel efficiency and performance, the 772 is the right Off-Highway Truck for all generations.

Key Features

More Comfort. More Performance. More Versatility.

Up to 10% Fuel Savings

Choosing between two economy mode options allows for maximum savings without loss of productivity.

More Traction on Slopes

Traction control system assists in preventing tire slippage, loss of traction, and stability.

Integrated Technologies

Cat payload technology calculates load capacity for optimal payloads resulting in a lower cost per ton.

Media Gallery

Specifications

Engine Model	Cat® C18
Rated Engine Speed	1700 r/min
Gross Power - SAE J1995:2014	605 hp
Net Power - SAE J1349:2011	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

Target Gross Machine Operating Weight	181000 lb
Chassis Weight	59223 lb
Body Weight	17306 lb
Target Gross Machine Weight	181000 lb

Nominal Payload Class (100%)	51.6 ton (US)
Top Speed - Loaded	49.2 mile/h
Maximum Payload Class (110%)	56.7 ton (US)
Body Capacity - SAE 2:1	40.8 yd³
Target Payload Capacity	51.6 ton (US)
Not to Exceed Payload (120%)	61.9 ton (US)
Body Capacity (SAE 2:1)**	40.8 yd³

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

Differential Ratio	2.74:1
Planetary Ratio	4.80:1
Total Reduction Ratio	13.14:1

Brake Surface - Front	216 in²
Brake Surface - Rear	7794 in²
Brake Standards	ISO 3450:2011

Pump Flow - High Idle	112 gpm
Relief Valve Setting - Raise	2750 psi
Relief Valve Setting - Lower	500 psi
Body Raise Time - High Idle	8 s
Body Lower Time - Float	10 s
Body Power Down - High Idle	10 s

Heaped 2:1 (SAE)	40.8 yd³
Struck	31.3 yd³

Struck	31.3 yd³
Heaped 2:1 (SAE)	40.9 yd³

Front Axle - Empty	51.4 %
Front Axle - Loaded	34.2 %
Rear Axle - Empty	48.6 %
Rear Axle - Loaded	65.8 %

Rear axle - Oscillation	8.9 °
Empty Loaded Cylinder Stroke Front	9.2 in
Empty Loaded Cylinder Stroke Rear	5.8 in

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)
Brake Hoist System	60 gal (US)
DEF Tank	6 gal (US)
Crankcase	17 gal (US)
Brake/Hoist Hydraulic Tank	38 gal (US)

Standard Tire	21.00R33 (E4)

FOPS Standards	FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria.
ROPS Standards	ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.

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.
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 (1)	Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.

Turning Diameter - Front	57.7 ft
Steering Standards	ISO 5010:2007
Steer Angle	40.5 °
Turning Circle - Clearance Diameter	66.6 ft

Height - Top of ROPS	12.8 ft
Inside Body Depth - Maximum	5.7 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