CATERPILLAR 12G MOTOR GRADERS

Technical Description

The Caterpillar 12G Motor Grader is a robust and versatile machine designed for heavy-duty grading applications. It features a 6-cylinder Caterpillar 3306 diesel engine with a displacement of 640.8 cubic inches, delivering a maximum and net power of 135 horsepower at 2200 rpm. The grader is equipped with a Cat-built direct drive power shift transmission, offering 6 forward and 6 reverse gears, with a top speed of 25.5 mph in both directions. Its standard operating weight is approximately 27,999 lbs, with a maximum operating weight of 31,592 lbs. The machine measures 27.3 feet in length, 8 feet in width over tires, and stands 11 feet tall to the top of the cab. The wheelbase is 19.5 feet, and the tandem axle wheelbase is 5 feet. The hydraulic system uses a closed-center, constant-pressure design with a variable displacement piston pump, providing 51 gallons per minute flow and a relief valve pressure of 2150 psi. The moldboard is 12 feet wide, 24.1 inches high, and can cut up to 17.8 inches deep, with a side shift of 26.4 inches left and 20.5 inches right. The circle allows for a 360-degree rotation, with a diameter of 60.3 inches and blade tip angles of 90 degrees front and rear. The fuel tank holds 74.8 gallons, and the machine operates on a 24-volt electrical system. The articulation angle is 50 degrees, and the turning radius is 24 feet, ensuring excellent maneuverability.