'Okoʻa 8T 9T 11T 13T 15T 16T 18 T 18T 20T FUWA wawahi pahu a me ka hub no semi-trailer, nā kalaka a me nā tankers me ka pale lina a me nā kamaa wawahi.
ʻO nā ʻāpana nui ʻē aʻe e pili pū ana: ka poloka axle ikaika, ka mea luhi, ka hua laka, ka hali ʻana, ke keʻena wawahi, nā hua huila, nā pāpale hub, ka uhi lepo,
ʻo fuwa ʻAmelika e hana ana i ka pale lining a me ka pahu hana camshaft etc.