KOMATSU GD655-6 MOTOR GRADERS

Technical Description

The 2016 Komatsu GD655-6 motor grader is a high-performance machine engineered for precision grading and durability. Powered by a Cat C9.3 six-cylinder engine, it delivers a net power of 250 hp in standard mode and 270 hp in AWD, with maximum torque of 918 lb-ft (996 lb-ft AWD), operating at 2,000 rpm and featuring a 44% torque rise. It uses a direct drive powershift transmission with 8 forward and 6 reverse gears, enabling smooth power delivery and efficient operation. The grader’s control system operates via a wheel type, and it features tandem drive with a 2-inch chain pitch for reliable traction. The machine provides exceptional blade control with a maximum cutting depth of 28.9 inches and lift above ground of 18.9 inches. Moldboard side shift reaches 26.1 inches left and 20.2 inches right, with a blade tip angle forward up to 40°. The front and rear oscillations are 15° and 22°, respectively, enhancing stability on uneven terrain. Its closed-center hydraulic system uses a variable piston pump and parallel circuit for fast, responsive work equipment action. The operator comfort is enhanced by an air suspension seat reducing fatigue. The air intake system uses a dry-type air cleaner to maintain engine performance. Overall, this motor grader combines powerful engine performance, advanced transmission, precise hydraulics, and operator-friendly features to excel in grading tasks across diverse job sites.