Historical
ISO 500-3:2004
Agricultural tractors - Rear-mounted power take-off types 1, 2 and 3 - Part 3: Main PTO dimensions and spline dimensions, location of PTO
ISO 500-3:2004 specifies the manufacturing requirements for, and the location of, power take-offs (PTOs) Types 1, 2 and 3 rear-mounted on agricultural tractors.
International Organization for Standardization [iso]