THE JOHN DEERE UNIVERSAL THREE POINT HITCH WITH LOAD AND DEPTH CONTROL AND ASSOCIATED HYDRAULIC CONTROLS 560140
Application of integral implements to larger sizes of farm tractors poses new problems in design of a standardized hitch. Interchangeability is a major problem. New concepts of control must be used. These include suitable regulation of the hitch and provision for added control functions. Greater attention must be paid to providing adequate hydraulic power, to tractor stability and to operator convenience, according to the author.