The RoadX DX770 super single tire delivers exceptional performance in mixed service applications. The DX770 is engineered with a 4-belt package to deliver superior resistance to shocks and penetrations. Its aggressive tread design provides excellent traction off-road and on. The DX770 features wide circumferential grooves which deliver enhanced wet traction. The center groove is engineered with “stone ejectors” to prevent stone drilling for a long casing life and improved retreadability. The DX770 is designed to handle severe service applications such as heavy construction.


  • Deep tread depth for excellent tread life.
  • Solid shoulder resists uneven wear.
  • Enhanced rubber compound resists cutting & chunking
  • in off-road applications.


  • Regional Trucks
  • Dump Trucks
  • Refuse Trucks
  • Mixed Concrete Trucks
Size Ply T.D. Load Index S.S. O.D. S.W. S.L.R. R.W. Load Carrying Capacity
Single lbs. Dual lbs.
385/65R22.5 20 21 160 K 42.2 15.3 19.7 11.75 9920@130 N/A