This SAE Recommended Practice provides minimum performance requirements and uniform laboratory procedures for fatigue testing of disc wheels@ demountable rims@ and bolt-together divided wheels intended for normal highway use on military trucks@ buses@ truck-trailers@ and multipurpose vehicles. For wheels and rims intended for normal highway use on trucks and buses@ see SAE J267. For wheels intended for normal highway use on passenger cars@ light trucks@ and multipurpose vehicles@ see SAE J328. For wheels used on trailers drawn by passenger cars@ light trucks@ or multipurpose vehicles@ see SAE J1204. This document does not cover off-highway or other special application wheels and rims.