The Ironhead IAR400 super single tire delivers exceptional performance in mixed service applications. The IAR400 is engineered with a 4-belt package to deliver superior resistance to shocks and penetrations. Its aggressive tread design provides excellent traction on and off road. The IAR400 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 IAR400 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
  • Ready Mix Trucks
Item # Size Ply T.D. L.I. 1X L.I. 2X SR O.D. S.W. R.W. L.C.C. 1X L.C.C. 2X AP
32nds in. in. in. lbs lbs psi
0210547 385/65R22.5 20.00 21 160 N/A K 42.2 15.0 11.75 9,920 N/A 130
0210548C * 425/65R22.5 20.00 22 165 N/A K 44.3 16.4 12.25 11,400 N/A 120
* Available from China only