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Cat® 772G

Nominal Payload
47.2 t
Engine Model
Cat® C18 ACERT™
Top Speed
71.7 km/h
  • The Cat® 772 Off-Highway Truck has been in production since 1971 and has been handling the work of mines and quarries for over 40 years. Like all Cat trucks, it is specifically designed for off-road applications with reliable and durable designs. Cat G Series trucks will help you manage your costs with fuel economy options, tire monitoring, and convenient service center options. It can also be equipped to provide you with production, machine health, and operation information using Cat VIMS™. With three body options designed to last the life of the truck, the 772G can meet your individual hauling needs productively, safely, and reliably.


Quiet, comfortable cab, intuitive controls and excellent visibility help operators work at their best all day long.


Elevated sprocket, rugged structures and proven systems give you long life and durability.


Differential steering and two-pump hydraulics give you the power and precision you need to maximize your productivity.

Caterpillar has body options to meet your material type and application needs. Cat truck bodies will last the life of the truck if properly configured, guarded, and maintained.

Both optional and standard features like those described here can increase the productivity of your operators:

An important differentiator for Cat trucks is their outstanding brake performance. The design principle is one of long-life and excellent performance in quarry, mine, and earthmoving applications.

Cat trucks are known throughout the industry for reliable, long-life frames. Built for off-road maneuvering and haul road conditions, Caterpillar uses castings in high stress areas and box section construction to manage torsion-loading.

Caterpillar has body options to meet your material type and application needs. Cat truck bodies will last the life of the truck if properly configured, guarded, and maintained.


Engine Model Cat® C18
Rated Engine Speed 1700 r/min
Gross Power - SAE J1995 605 HP
Net Power - SAE J1349 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
Body Capacity - SAE 2:1 40.8 yd³
Target Payload Capacity 51.6 ton (US)
Not to Exceed Payload (120%) 61.9 ton (US)
Maximum Payload Class (110%) 56.7 ton (US)

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 3450:1996

Pump Flow - High Idle 118 gal/min
Relief Valve Setting - Raise 2750 psi
Relief Valve Setting - Lower 500 psi
Body Raise Time - High Idle 7.5 s
Body Lower Time - Float 10 s
Body Power Down - High Idle 10 s

Struck 31.3 yd³
Heaped 2:1 (SAE) 40.8 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 Rear 5.8 in
Empty Loaded Cylinder Stroke Front 9.2 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)
DEF Tank 6 gal (US)
Brake Hoist System 60 gal (US)
Crankcase 17 gal (US)
Brake/Hoist Hydraulic Tank 38 gal (US)

Standard Tire 21.00R33 (E4)

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 Standards (1) Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.
Sound Standards (3) Operator Equivalent Sound Pressure Level (Leq) is 74 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 115 dB(A).

Turning Diameter - Front 57.7 ft
Steering Standards ISO 5010:2007
Steer Angle 31 °
Turning Circle - Clearance Diameter 66.6 ft

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

Cat buckets and Cat Ground Engaging Tools (GET) are designed and matched to the machine to ensure optimal performance and fuel efficiency.


Center-Lock is a pin grabber coupler and features a patent-pending locking system. A highly visible secondary lock clearly shows the operator when the coupler is engaged or disengaged from the bucket or work tool..


Cat® Hammers make short work of your demolition, construction, and quarry needs. Combine the simple, lightweight design of the GC Hammer series with the reliability, durability, and value you expect from Cat products. The result is a low cost per hour solution providing the consistent power and performance you need.


Constructed from high-strength steels and built to last, Cat rippers endure in the toughest conditions. The box-section structure is reinforced for maximum rigidity, transmitting the full machine power to the material being ripped. Rippers feature a replaceable wear tip, and most models also come equipped with a replaceable shank protector.


Cat grapples make Cat excavators the ideal machine for handling loose material, sorting trash, and demolition site cleanup. An array of styles and sizes is available to match excavators to the task at hand.


Multi-processors do the work of many types of demolition tools by use of interchangeable jaw sets. Changing jaws allows a single unit to crush, pulverize, and perform a variety of specialized tasks such as cutting steel rebar and tanks.


Cat shears are designed to take full advantage of the hydraulic flows and pressures produced by Cat excavators – all to enhance productivity without compromising safety or causing premature wear of the shear or carrier.


Mechanical pulverizers are cost-effective tools for recycling demolished concrete debris. The bucket cylinder on the excavator powers the pulverizer, eliminating the need for a dedicated cylinder, associated hydraulics, and additional installation cost.


Cat compactors make job site compaction quick, efficient, and cost effective.


The hydraulic concrete crusher is well suited for demolition in residential areas. The tool combines several demolition operations in one piece of equipment: