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772 Off-Highway Truck

772 Off-Highway Truck

At a Glance

Nominal Payload Class (100%)
51 ton (US)
Engine Model
Cat® C18 ACERT™
Top Speed - Loaded
49.5 mile/h
Rated Engine Speed
1800 r/min
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Overview

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.

Operating Specifications

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Nominal Payload Class (100%) 51ton (US)
Top Speed - Loaded 49.5mile/h
Maximum Capacity 50ton (US)
Maximum Working Payload (110%) 56ton (US)
Not to Exceed Payload (120%)* 61ton (US)
Target Payload Capacity 50ton (US)
Body Capacity - SAE 2:1 41yd³

Engine

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Engine Model Cat® C18 ACERT™
Rated Engine Speed 1800r/min
Gross Power - SAE J1995 598HP
Net Power - SAE J1349 535HP
Net Power - ISO 9249 535HP
Net Power - 80/1269/EEC 535HP
Number of Cylinders 6
Bore 5.7in
Stroke 7.2in
Displacement 1105in³
Net Power - ISO 9249:1997 535HP
Peak Torque 1988lb/ft

Weights - Approximate

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Target Gross Machine Operating Weight 181000lb
Chassis Weight 55171lb
Body Weight 22984lb

Capacity - Dual Slope - 100% Fill Factor

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Struck 31.7yd³
Heaped 2:1 (SAE) 40.8yd³

Capacity - Flat Floor - 100% Fill Factor

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Struck 30.5yd³
Heaped 2:1 (SAE) 41yd³

Weight Distributions - Approximate

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Front Axle - Empty 48%
Front Axle - Loaded 34%
Rear Axle - Empty 52%
Rear Axle - Loaded 66%

Transmission

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Forward - 1 8mile/h
Forward - 2 11mile/h
Forward - 3 14.9mile/h
Forward - 4 20mile/h
Forward - 5 27.1mile/h
Forward - 6 36.5mile/h
Forward - 7 49.5mile/h
Reverse 10.5mile/h

Final Drives

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Differential Ratio 2.74:1
Planetary Ratio 4.80:1
Total Reduction Ratio 13.15:1

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 30gal (US)
Differential - Final Drives 22gal (US)
Steering Tank 9gal (US)
Steering System - Including Tank 15gal (US)
Brake / Hoist / Fan Hydraulic Tank 35gal (US)
Brake/Hoist/Fan System (Tank) 73gal (US)
Crankcase 16gal (US)
Transmission - Torque Converter System - Including Sump 19gal (US)
Transmission - Torque Converter Sump 14gal (US)

Body Hoists

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Pump Flow - High Idle 136gal/min
Relief Valve Setting - Raise 2500psi
Relief Valve Setting - Lower 500psi
Body Raise Time - High Idle 9.5s
Body Lower Time - Float 12.5s
Body Power Down - High Idle 12.5s

Suspension

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Effective Cylinder Stroke - Front 9.2in
Effective Cylinder Stroke - Rear 5.9in
Rear axle - Oscillation 5.4°

Dimensions

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Height - Top of ROPS 13.43ft
Overall Body Length 26.81ft
Inside Body Length 18.21ft
Overall Length 28.67ft
Wheel Base 12.99ft
Rear Axle - Tail 8.5ft
Ground Clearance 2.36ft
Dump Clearance 1.62ft
Loading Height - Empty 11.48ft
Inside Body Depth - Maximum 5.6ft
Overall Height - Body Raised 27.42ft
Operating Width 15.59ft
Centerline Front Tire Width 10.38ft
Engine Guard Clearance 2.34ft
Outside Body Width 12.97ft
Inside Body Width 12.13ft
Front Canopy Height 13.83ft
Rear Axle - Clearance 1.84ft
Centerline of Rear Dual Tire Width 8.7ft
Overall Tire Width 12.88ft

Tires

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Standard Tire 21.00R33 (E4)

ROPS

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ROPS/FOPS Standards .

Sound

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Sound Standards .

Steering

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Steering Standards ISO 5010:1992
Steer Angle 36°