CATERPILLAR 12 MOTOR GRADERS

Technical Description

The 1952 Caterpillar 12 Motor Grader is a classic, heavy-duty road grader renowned for its durability and pioneering design that set the standard for modern motor graders. Built with a robust frame and tandem drive configuration, it features a 12-foot blade for versatile grading tasks. The machine is powered by a Caterpillar-built D318 diesel engine, known for its reliability and strong performance in demanding conditions. It typically includes a pony motor starting system for easy cold-weather starts and is equipped with mechanical controls for blade and transmission operation. The grader’s frame is constructed from special channels and reinforced for strength, while the circle and drawbar are designed for rigidity and precise blade positioning. The operator’s platform is basic, with options for an enclosed cab, heater, and windshield wiper available as extras. The 12 Motor Grader was designed for efficient road building and maintenance, offering a wide range of blade positions and the ability to work in reverse with the blade facing backward. Its mechanical steering and control systems provide direct, hands-on operation, making it a favorite among operators who value simplicity and ruggedness. This model represents a significant milestone in the evolution of motor graders, combining proven engineering with practical features for a variety of grading applications.