ISO 5353:1995 Preview
Earth-moving machinery, and tractors and machinery for agriculture and forestry -- Seat index point
This standard was last reviewed and confirmed* in 2016.
*Therefore this version remains current
States a method and the device for use in determining the position of the seat index point (SIP) for any kind of seat designed for earth-moving machinery as defined in ISO 6165, and tractors and machinery for agriculture and forestry as defined in ISO 3339-0.