With the longest wheel base in its class, the new GD655-6 offers exceptional fine grading performance. Even with a long wheelbase, the GD655-6 maintains a tight minimum turning radius, thanks to a maximum articulation angle of 25 degrees. This grader is extremely maneuverable and productive in tight road work or cul-de-sac applications.
Thanks to the new, Komatsu designed, Tier 4 Final power plant, GD655-6 owners should see a drop in fuel consumption of up to 5% when operating in “power” mode, and up to 15% in “economy” mode, compared to the GD655-5.
Komatsu’s Dual-mode transmission sets this grader apart from its competition. The Dual-mode transmission has been specifically designed for use in Komatsu motor graders. It allows operators to benefit from the low-fuel consumption and high ground speeds of a direct-drive transmission, as well as the high tractive effort, superior control at low speed, and anti-stall features of a torque converter transmission.
The dual-mode transmission is built specifically for Komatsu motor graders. The transmission provides full power shifting as well as inching capabilities and automatic shifting in the higher ranges.
A new variable displacement piston pump, improvements in the transmission and driveline components, and a sophisticated electronic control system for the engine and transmission all combine to achieve optimum and efficient operation. The new GD655-6 will consume up to 15% less fuel than the GD655-5.