Mixed Service Drive

Tire Features:

The RoadX MS663 is a mixed service drive tire suitable for both on and off-road applications. The MS663 was engineered with extended tread life in mind, and designed to deliver traction and mileage in tough applications.


  • Dump Trucks
  • Mixed Concrete Trucks
  • Refuse Trucks
  • Logging Trucks


Product Sheet Catalog Tire Photo Warranty

Tread Design

Open tread pattern to minimize stone retention.


Open shoulders and directional center lugs for traction and even wear.

Tread LIFE

Deep tread design and unique compound for extended tread life.

SizeTire Size P.R.Ply Rating T.D.Tread Depth L.I.Load Index S.S.Speed Symbol O.D.Outside Diameter S.W.Section Width S.L.R.Static Load Radius R.W.Rim Width LCC 1XLoad Carrying Capacity@PSI (Single) LCC 2XLoad Carrying Capacity@PSI (Dual)
    32nds     in. in. in.   lbs.@psi lbs.@psi
315/80R22.5 20 26 156/153 K 42.6 12.3 19.8 9.00 8820@125 8045@125