Towmaster 4.80-8 LRC/6 Ply Tire with 4 lug 8" wheel Towmaster 4.80-8 trailer tire, 6 ply, mounted on 8x3.75 white wheel. OD 16.6", SW 4.7", rim width 3.75". Max Load @ 90 PSI 760 lbs. 4 lug, white powder coated 8x3.75" wheel. Always follow trailer manufacturers placarded PSI limitations prior to use.