KOMATSU GD655-3 MOTOR GRADERS

Technical Description

The Komatsu GD655-3 Motor Grader is a robust, high-performance machine engineered for precision grading and heavy-duty earthmoving tasks. Powered by a 6-cylinder SAA6D114E-3 engine with turbocharged and air-to-air aftercooled aspiration, it delivers up to 200 hp (149 kW) net power and 719 lb-ft of torque in higher gears, ensuring strong tractive effort and efficient operation. The full power shift transmission offers 8 forward and 4 reverse gears, with a maximum forward speed of 26.2 mph and reverse speed of 23.9 mph. The grader features a 12 ft moldboard with 360° circle rotation, 25 in moldboard sideshift, and a maximum depth of cut of 32.1 in, providing exceptional versatility and control. Hydraulic system performance is enhanced by a load-sensing closed center design with variable displacement piston pump, delivering 51 gpm at 3000 psi. The machine’s operating weight is 37,801 lbs, with a 33.8 ft overall length and 8.4 ft width over tires. Standard features include a 24-volt electrical system, 90-amp alternator, and low-pressure, tubeless 17.5R25 tires. The articulated steering system provides a 23° articulation angle and 22.7 ft turning radius for excellent maneuverability. With a fuel capacity of 89.9 gallons and comprehensive fluid capacities, the GD655-3 is built for extended operation and reliability in demanding environments.