Komatsu GD655-7R Motor Grader Specifications
GradersMotor Grader Specs
The Komatsu GD655-7R motor grader is a highly versatile and productive machine engineered specifically for demanding road construction, grading, and maintenance applications across Australia. Featuring an innovative dual-mode transmission, this grader combines the high tractive effort of a torque converter with the fuel efficiency and precise control of direct drive, making it an exceptional choice for civil contractors and hire fleets.
Designed with operator comfort and safety at the forefront, the GD655-7R boasts an ergonomically advanced cab with excellent visibility to the mouldboard and working areas. Its robust construction, combined with Komatsu’s legendary reliability, ensures maximum uptime and outstanding grading precision on everything from heavy site preparation to fine finish grading.
Details
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Machinery Specifications
Technical Specification
| Specification | Value |
|---|---|
| Mouldboard Width | 3,660 mm |
| Mouldboard Height | 650 mm |
| Max. Blade Lift Above Ground | 480 mm |
| Max. Scraping Depth | 615 mm |
| Blade Pull | 9,650 kg |
| Circle Reverse Rotation | 360° |
| Articulation Angle | 25° Left / Right |
| Blade Tip Angle (Forward) | 40° |
| Blade Tip Angle (Backward) | 5° |
| Wheelbase | 6,480 mm |
| Front Axle Ground Clearance | 620 mm |
| Tyre Size | 17.5R25 |
Engine Specification
| Specification | Value |
|---|---|
| Engine Model | Komatsu SAA6D107E-3 |
| Engine Type | Water-cooled, 4-cycle, direct injection, turbocharged, aftercooled diesel |
| Net Power | 163 kW (218 hp) @ 2,100 rpm |
| Gross Power | 165 kW (221 hp) @ 2,100 rpm |
| Displacement | 6.69 L |
| Cylinders | 6 |
| Emission Standard | EPA Tier 3 / EU Stage IIIA equivalent |
| Fuel Tank Capacity | 416 L |
Additional Information
The Komatsu GD655-7R stands out in the Australian market due to its unique dual-mode transmission, which allows operators to easily switch between torque converter mode for high-load grading and direct-drive mode for fuel-efficient, high-speed travel. Additionally, the machine features an industry-leading, low-profile cab that provides an unobstructed view of the mouldboard, enhancing safety and grading accuracy. Standard Komtrax telematics offer remote monitoring of machine health and fuel consumption, ensuring optimal fleet management and reduced operating costs.
Reliable machinery for every project
Quality performance for construction industry needs.
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