Size Ply T.D. L.I. S.R. O.D.  S.W. R.W. LCC 1X LCC 2X A.P.
    32nds 1X 2X   in. in.   lbs lbs  
11R22.5 14 30 144 142 J 41.9 11.0 8.25 6175 5840 105
11R22.5 16 30 148 145 J 41.9 11.0 8.25 6945 6395 120
11R24.5 14 30 146 143 J 43.9 11.0 8.25 6610 6005 105
11R24.5 16 30 149 146 J 43.9 11.0 8.25 7160 6610 120
285/75R24.5 14 30 144 141 J 41.6 11.1 8.25 6175 5675 110
285/75R24.5 16 30 147 144 J 41.6 11.1 8.25 6780 6175 120
295/75R22.5 14 30 144 141 J 40.2 11.7 9.00 6175 5675 110
295/75R22.5 16 30 146 143 J 40.2 11.7 9.00 6610 6005 120

Closed Shoulder Drive Position

RT 389

Suretrac RT389 closed shoulder drive tire features 30/32nds tread depth for long tread life and exceptional cost per mile. Solid shoulder ribs deliver superior stability and resistance to uneven wear. The RT389 is designed with three rows of aggressive tread blocks for superior traction and resistance to tread squirm.