ISO International Standard

This second edition cancels and replaces the first edition (1975). Gives the specifications and dimensions for the assembly and clearances common to hydraulically operated cylinders and to trailing-type farm implements. The specifications given permit: the interchangeability of hydraulic operation between tractors, and the transference of the hydraulic cylinder from one implement to another. It applies to three categories of tractors as follows: 1 (up to 35 kW), 2 (30 to 75 kW), 3 (over 70 kW).