Tire Description:

The Sailun S637T is an all-steel highway rib tire designed to provide the ultimate in performance for trailer applications. The heavy-duty, all-steel construction delivers low rolling resistance, superior strength and durability, while providing sure footing and straight tracking. The S637T is perfect for all high-load capacity trailer applications.

Features & Benefits:

  • All-steel construction for maximum strength and load capacity.
  • Multi-sipes improve traction in wet conditions and dissipate heat for prolonged tread life.
  • Five-rib design for improved stability.
  • Solid shoulder to resist irregular wear and improve fuel efficiency.


  • RV Trailers
  • 5th Wheel Trailers
  • Utility Trailers
  • Boat Trailers



                  Load CapacityLoad Carrying Capacity:
CodeProduct Code: / Article No. SizeTire Size: L.I./S.R.Load Index / Speed Rating: P.R.Ply Rating: T.D.Tread Depth: RimRim Width: O.DOutside Diameter: S.W.Section Width: S.L.R.Static Load Radius: SingleLoad Carrying Capacity (Single): DualLoad Carrying Capacity (Dual): A.P.Air Pressure:
        32nds in. in. in. in. lbs. lbs. p.s.i.
5540993* ST235/85R16 132/127 L 14 12 6.50 31.7 9.3 13.9 4400 3860 110
5541960* ST235/80R16 129/125 L 14 10 6.50 30.8 9.3 14.3 4080 3640 110
* Requires special high-load capacity wheel. Consult wheel manufacturer for proper application.