KOMATSU GD605R-2 MOTOR GRADERS

Technical Description

The Komatsu GD605R-2 motor grader is a robust machine featuring a Cummins NH220-CI 6-cylinder diesel engine with 742 cubic inches displacement, delivering a maximum of 145 hp (108 kW) and 528 lb-ft of torque in gears 5-6. The engine is turbocharged and aftercooled, designed for reliable heavy-duty operation. Key dimensions include an overall length of 27.7 feet, a wheelbase of 19.7 feet, a tandem axle wheelbase of 5 feet, and a cab height of 11 feet. The moldboard is 12.2 feet wide, 25.8 inches high, and 0.8 inches thick, capable of a maximum cutting depth of 22.5 inches. The blade base measures 8.9 feet, with maximum reach outside tires of 83.3 inches on the left and 81 inches on the right. Ground clearance is 2 feet at the front axle and 1.1 feet at the rear, supporting operation over uneven terrain. The front axle offers 30 degrees of oscillation and 23 degrees of wheel lean to maintain traction and stability. Operating weights are 7,826.5 lbs on the front axle and 20,062.1 lbs on the rear axle, totaling 27,888.5 lbs. The grader runs on 13.00-24-10PR tires and has a hydroshift transmission with six forward and six reverse gears, enabling maximum speeds of 27.1 mph forward and 32.1 mph reverse. Steering system allows a turning radius of 34.2 feet, providing maneuverability suitable for grading and earthmoving tasks. This combination of power, size, and control makes the GD605R-2 a reliable choice for medium-duty grading operations.