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Overview

Whether your business is a quarry, a mine or involves moving earth, the 770G is ruggedly built and designed to help you haul material safely and efficiently. It can be equipped with body options to match your material and hauling requirements. The 770G is simple to maintain, and with the support of your Cat dealer, will offer you years of productive service.

Engine

Units:
Engine Model Cat® C15 ACERT™ Cat® C15 ACERT™ Less
Rated Engine Speed 1800.0 r/min 1800.0 r/min Less
Gross Power - SAE J1995 511.0 HP 381.0 kW Less
Net Power - SAE J1349 483.0 HP 360.0 kW Less
Net Power - 80/1269/EEC 489.0 HP 365.0 kW Less
Net Power - ISO 9249 476.0 HP 365.0 kW Less
Number of Cylinders 6 6 Less
Bore 5.4 in 137.0 mm Less
Stroke 6.7 in 171.0 mm Less
Displacement 927.6 in³ 15.2 l Less
Engine Power - ISO 14396 506.0 HP 377.0 kW Less
Net Torque - SAE J1349 1682.0 ft-lb 2280.0 N·m Less

Weights - Approximate

Target Gross Machine Operating Weight 157000.0 lb 71214.0 kg Less
Chassis Weight 54895.0 lb 24900.0 kg Less
Body Weight 16898.0 lb 7665.0 kg Less
Target Gross Machine Weight 157000.0 lb 71214.0 kg Less

Operating Specifications

Nominal Payload Class (100%) 42.6 Sh Ton 38.6 t Less
Top Speed - Loaded 45.7 mile/h 73.5 km/h Less
Body Capacity - SAE 2:1 33.0 yd³ 25.2 m³ Less
Nominal Payload Class 42.6 Sh Ton 38.6 ton (US) Less
Target Payload Capacity 42.6 Sh Ton 38.6 ton (US) Less

Transmission

Forward - 1 7.4 mile/h 11.9 km/h Less
Forward - 2 10.1 mile/h 16.3 km/h Less
Forward - 3 13.7 mile/h 22.1 km/h Less
Forward - 4 18.4 mile/h 29.6 km/h Less
Forward - 5 25.0 mile/h 40.2 km/h Less
Forward - 6 33.7 mile/h 54.2 km/h Less
Forward - 7 45.7 mile/h 73.5 km/h Less
Reverse 9.7 mile/h 15.6 km/h Less

Final Drives

Differential Ratio 2.12:1 2.12:1 Less
Planetary Ratio 4.80:1 4.80:1 Less
Total Reduction Ratio 10.18:1 10.18:1 Less

Brakes

Brake Surface - Front 216.0 in² 1395.0 cm² Less
Brake Surface - Rear 6235.0 in² 40225.0 cm² Less
Brake Standards ISO 3450:1996 ISO 3450:1996 Less

Body Hoists

Pump Flow - High Idle 118.0 gal/min 448.0 l/min Less
Relief Valve Setting - Raise 2750.0 psi 18950.0 kPa Less
Relief Valve Setting - Lower 500.0 psi 3450.0 kPa Less
Body Lower Time - Float 10.0 seconds (approx.) 10.0 seconds (approx.) Less
Body Power Down - High Idle 10.0 seconds (approx.) 10.0 seconds (approx.) Less
Body Raise Time - High Idle 7.5 seconds (approx.) 7.5 seconds (approx.) Less

Capacity - Dual Slope - 100% Fill Factor

Struck 23.01 yd³ 17.6 m³ Less
Heaped 2:1 (SAE) 32.9 yd³ 25.2 m³ Less

Capacity - Flat Floor - 100% Fill Factor

Struck 23.01 yd³ 17.6 m³ Less
Heaped 2:1 (SAE) 32.9 yd³ 25.2 m³ Less

Weight Distributions - Approximate

Front Axle - Empty 51.9 % 51.9 % Less
Front Axle - Loaded 34.5 % 34.5 % Less
Rear Axle - Empty 48.1 % 48.1 % Less
Rear Axle - Loaded 65.5 % 65.5 % Less

Suspension

Rear axle - Oscillation 8.9 ° 8.9 ° Less
Empty Loaded Cylinder Stroke Front 9.2 in 234.0 mm Less
Empty Loaded Cylinder Stroke Rear 5.9 in 149.0 mm Less

Service Refill Capacities

Cooling System 33.0 gal (US) 125.0 l Less
Differential - Final Drives 47.0 gal (US) 180.0 l Less
Steering Tank 14.5 gal (US) 55.0 l Less
Steering System - Including Tank 23.0 gal (US) 87.0 l Less
Brake Hoist System 60.0 gal (US) 227.0 l Less
Brake/Hoist Hydraulic Tank 38.0 gal (US) 145.0 l Less
Crankcase 10.0 gal (US) 38.0 l Less
Fuel Tank 140.0 gal (US) 530.0 l Less
Torque Converter - Transmission System 17.0 gal (US) 64.0 l Less

Tires

Standard Tire 18.00R33 (E4) 18.00R33 (E4) Less

ROPS

ROPS/FOPS Standards Standards Standards Less

Sound

Sound Standards Standards Standards Less

Steering

Turning Diameter - Front 57.7 ft 17.6 m Less
Steering Standards ISO 5010:2007 ISO 5010:2007 Less
Steer Angle 40.5 ° 40.5 ° Less
Turning Circle - Clearance Diameter 66.6 ft 20.3 m Less

Performance

Fuel Saving Strategies

Brake Performance

Traction Control System

Truck Bodies

Structures

Operator Experience

Information and Monitoring

Simple Service

Customer Support

Safety and Sustainability