KOMATSU GD31RC-3A MOTOR GRADERS

Technical Description

The Komatsu GD31RC-3A is a compact motor grader powered by a 4D130 diesel engine producing 110 horsepower and 375 pound-feet of torque. This machine features a 10.2-foot moldboard with a maximum cutting depth of 17 inches, making it suitable for precision grading operations. The grader measures 22.2 feet in overall length with a 6.9-foot width over tires and operates at a total weight of 19,687.3 pounds, distributed between a 5,269.1-pound front axle load and a 14,418.3-pound rear axle load. The transmission consists of six forward gears and two reverse gears utilizing a combined sliding mesh and constant mesh design, enabling forward speeds up to 23.8 mph and reverse speeds of 7.3 mph. The moldboard can achieve a maximum lift of 18.2 inches above ground with a maximum reach of 61.3 inches outside the tires on both sides. Ground clearance measurements include 1.5 feet at the front and 1.2 feet at the rear, while the front axle provides 26 degrees of total oscillation and 25 degrees of wheel lean for enhanced maneuverability. The machine is equipped with 9.00-20-10PR front tires and 11.00-20-10PR rear tires, with a turning radius of 29.6 feet. The cab height reaches 10.4 feet at the isomount configuration, and the 16.1-foot wheelbase with a 4-foot tandem axle wheelbase provides stability during grading operations.