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770 Off-Highway Truck

770 Off-Highway Truck

At a Glance

Nominal Payload Class (100%)
40 ton (US)
Engine Model
Cat® C15 ACERT™
Top Speed - Loaded
46.5 mile/h
Rated Engine Speed
1800 r/min
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Overview

Top Performance. Developed specifically for construction, mining and quarry applications, the 770 optimizes demands for lower cost per ton. Reliable, Durable Operation. Rugged construction and easy maintenance procedures ensure long life with low operating costs.

Operating Specifications

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Nominal Payload Class (100%) 40ton (US)
Top Speed - Loaded 46.5mile/h
Maximum Capacity 40ton (US)
Target Payload Capacity 40ton (US)
Body Capacity - SAE 2:1 32.8yd³

Engine

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Engine Model Cat® C15 ACERT™
Rated Engine Speed 1800r/min
Gross Power - SAE J1995 511HP
Net Power - SAE J1349 476HP
Net Power - 80/1269/EEC 476HP
Number of Cylinders 6
Bore 5.4in
Stroke 6.7in
Displacement 927.6in³
Net Power - ISO 9249:1997 476HP
Peak Torque 1711lb/ft

Weights - Approximate

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Target Gross Machine Operating Weight 157000lb
Chassis Weight 53380lb
Body Weight 22110lb

Capacity - Dual Slope - 100% Fill Factor

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Struck 21.5yd³
Heaped 2:1 (SAE) 32.8yd³

Capacity - Flat Floor - 100% Fill Factor

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Struck 21.5yd³
Heaped 2:1 (SAE) 32.8yd³

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 7.5mile/h
Forward - 2 10.3mile/h
Forward - 3 14mile/h
Forward - 4 18.8mile/h
Forward - 5 25.4mile/h
Forward - 6 34.3mile/h
Forward - 7 46.5mile/h
Reverse 9.9mile/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 6235in²
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 9gal (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 12.83ft
Overall Body Length 26.81ft
Inside Body Length 18.21ft
Overall Length 28.67ft
Wheel Base 13ft
Rear Axle - Tail 8.5ft
Ground Clearance 2.23ft
Dump Clearance 1.52ft
Loading Height - Empty 10.24ft
Inside Body Depth - Maximum 4.35ft
Overall Height - Body Raised 27.17ft
Operating Width 15.59ft
Centerline Front Tire Width 10.2ft
Engine Guard Clearance 2.21ft
Overall Canopy Width 13ft
Inside Body Width 12.13ft
Front Canopy Height 13.58ft
Rear Axle - Clearance 1.67ft
Centerline of Rear Dual Tire Width 8.32ft
Overall Tire Width 12.12ft

Tires

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Standard Tire 18.00R33 (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 40°