Komatsu GD655-7 Motor Grader Specifications

Motor Graders Specs

The Komatsu GD655-7 represents the latest in motor grader technology, designed to provide superior grading accuracy and power. As a 20-tonne class machine, it is built for high-productivity civil infrastructure projects and heavy road construction. The GD655-7 incorporates a Tier 4 Final engine, significantly reducing emissions while maintaining the high torque and power required for aggressive cutting.

The Series 7 enhancements focus on operator comfort and control, featuring a new, smaller steering wheel for better visibility and a low-effort joystick control system. Its long wheelbase and refined hydraulic response ensure a smooth, stable ride, making it an ideal tool for high-spec road finishing and site preparation across Australia.

Details

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Model
GD655-7
Brand
Komatsu
Operating Weight
20,200 kg
Transport Width
2,530 mm
Transport Length
9,150 mm
Transport Height
3,200 mm

Machinery Specifications

Technical Specification
Specification
Value
Blade Width (Moldboard)
4,300 mm (14 ft)
Max. Depth of Cut
615 mm
Max. Lift Above Ground
480 mm
Min. Turning Radius
7.4 m
Engine Specification
Specification
Value
Engine Model
Komatsu SAA6D107E-3
Rated Power
163 kW (218 hp) @ 2,100 rpm

Additional Information

The GD655-7 features a standard 2-way pivoting blade and an optional “Power Tilt” moldboard for even greater grading flexibility. The cab is fully sealed and pressurised, featuring a high-definition 7-inch monitor that displays integrated machine diagnostics and the rear-view camera feed as standard.

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