KOMATSU GD621R-1 MOTOR GRADERS

Technical Description

The Komatsu GD621R-1 Motor Grader is a robust and versatile machine designed for demanding grading applications. It features a 6-cylinder S6D105 diesel engine with a displacement of 396.1 cu in, delivering a maximum power output of 155.6 hp at 2500 rpm, ensuring reliable performance in various operating conditions. The grader has an overall length of 27.5 ft, a wheelbase of 19.7 ft, and a width over tires of 7.9 ft, providing excellent stability and maneuverability. The blade base measures 8.6 ft, while the moldboard offers a width of 12.2 ft and a height of 25.4 in, allowing for efficient material handling and precise grading. The machine stands 11.5 ft tall to the top of the Isomount cab, with a rear ground clearance of 1.2 ft and a tandem axle wheelbase of 5.1 ft, enhancing its ability to navigate uneven terrain. The standard operating weight is 27,998.8 lbs, and it is equipped with 13.00-24-10PR tires for durability and traction. The transmission provides six forward gears, with a maximum forward speed of 27.8 mph and a reverse speed of 33.9 mph, while the steering system offers a turning radius of 34.2 ft for improved agility. The fuel capacity is 75.3 gal, supporting extended operation. With its combination of power, size, and advanced features, the Komatsu GD621R-1 Motor Grader is well-suited for a wide range of construction and maintenance tasks.