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772 (07) Off-Highway Truck

Home | New Machines | 772 (07) Off-Highway Truck

772 (07) Off-Highway Truck

At a Glance

Nominal Payload Class (100%)
51.6 ton (US)
Engine Model
Cat® C18
Top Speed - Loaded
49.2 mile/h
Rated Engine Speed
1700 r/min
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Specifications Equipment Related Products

Overview

Operating Specifications

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

Engine

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Engine Model Cat® C18
Rated Engine Speed 1700r/min
Gross Power - SAE J1995 605HP
Net Power - SAE J1349 550HP
Net Power - ISO 9249 550HP
Number of Cylinders 6
Bore 5.7in
Stroke 7.2in
Displacement 1105in³
Net Torque - SAE J1349 2221ft-lb
Engine Power - ISO 14396 598HP

Weights - Approximate

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

Weight Distributions - Approximate

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

Transmission

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Forward - 1 8mile/h
Forward - 2 10.9mile/h
Forward - 3 14.8mile/h
Forward - 4 19.8mile/h
Forward - 5 26.9mile/h
Forward - 6 36.2mile/h
Forward - 7 49.2mile/h
Reverse 10.4mile/h

Final Drives

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

Brakes

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Brake Surface - Front 216in²
Brake Surface - Rear 7794in²
Brake Standards ISO 3450:1996

Service Refill Capacities

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Fuel Tank 140gal (US)
Cooling System 33gal (US)
Differential - Final Drives 47gal (US)
Steering Tank 14.5gal (US)
Steering System - Including Tank 23gal (US)
Torque Converter - Transmission System 17gal (US)
Brake Hoist System 60gal (US)
DEF Tank 6gal (US)
Crankcase 17gal (US)
Brake/Hoist Hydraulic Tank 38gal (US)

Body Hoists

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

Suspension

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

Capacity - Dual Slope - 100% Fill Factor

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

Capacity - Flat Floor - 100% Fill Factor

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

ROPS

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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

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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.

Steering

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

Dimensions

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Height - Top of ROPS 12.8ft
Inside Body Depth - Maximum 5.7ft
Overall Body Length 26.8ft
Inside Body Length 19ft
Overall Length 28.9ft
Wheel Base 13ft
Rear Axle - Tail 9.5ft
Ground Clearance 1.6ft
Dump Clearance 1.5ft
Loading Height - Empty 11.6ft
Overall Height - Body Raised 27.1ft
Operating Width 15.7ft
Centerline Front Tire Width 10.4ft
Engine Guard Clearance 2ft
Outside Body Width 12.9ft
Inside Body Width 11.9ft
Front Canopy Height 13.7ft
Rear Axle - Clearance 1.9ft
Centerline of Rear Dual Tire Width 8.7ft
Overall Tire Width 12.9ft

Tires

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Standard Tire 21.00R33 (E4)