Trailer Applications

The Blackhawk BTR55ST regional steer features a broad 5 rib tread pattern to provide precise excellent stability. Wide circumferential grooves efficiently evacuate water from the tread area. BTR55ST sizes feature all steel construction are specifically designed for use in on-highway specialty trailer applications.


  • Specialty Trailers


  • Broad 5 rib design delivers precise handling.
  • Wide circumferential grooves deliver exceptional wet traction.

** BTR55ST All steel construction specifically designed for Trailer application only. Requires special high load capacity wheel. Consult wheel manufacturer for proper application. Tread may differ from image shown.

Size Ply T.D. Load Index S.R. O.D. S.W. R.W. Load Carrying Capacity A.P.
32nds Single Dual in. in. in. Single lbs. Dual lbs. psi
ST235/80R16** 14 10 129 125 L 30.8 9.3 6.5 4,080 3,640 110
ST235/85R16** 14 12 132 127 L 31.7 9.3 6.5 4,400 3,860 110