This SAE Recommended Practice is intended as a guide for manufacturers and users of trailers, specifically full trailer(s) and/or converter dollies. Its inclusion in state, federal, or any laws or regulations where flexibility of revision is lacking is discouraged. Emergency safety is the basis of this recommendation. This SAE Recommended Practice covers the number, location, and method of attachment of safety chains for full trailers and/or converter dollies.
SAE J697-2011 history
2011SAE J697-2011 Safety Chain of Full Trailers or Converter Dollies
1988SAE J697-1988 Safety Chain of Full Trailers or Converter Dollies
1984SAE J697-1984 Safety Chain of Full Trailers or Converter Dollies
1974SAE J697A-1974 Safety Chain of Full Trailers or Converter Dollies
1966SAE J697A-1966 SAFETY CHAIN OF FULL TRAILERS OR CONVERTER DOLLIES