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ANSI/ASABE S638 MAY2019
Pintle Hitch and Ring for Over the Road Towed Implements
This standard establishes requirements for a pintle hitching system suitable for use with over the road towed implements as defined by ANSI/ASAE S390 (ISO 12934:2013). PTO driven implements are out of scope of this standard.
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American Society of Agricultural and Biological Engineers [ASABE]