This document gives general specification and location requirements for front-mounted power take-offs (PTO) on agricultural tractors.
NOTE 1 Further specifications for front-mounted power take-offs are given in ISO 8759-1.
It is not applicable to tractors which are designed to run in two directions, where either end can be considered to be the front or the rear.
NOTE 2 In this case, ISO 500 (all parts) apply.