A sort of middle special steel radial truck tire

The present invention provides a Middle East special steel radial truck tire, comprising a tread, a shoulder and a sidewall, the tread is provided with three main grooves, respectively, the first main groove, second main groove and third main groove, second main groove in the middle of the first main groove and third main groove, the first main groove, second main groove and third main groove to the tread into four continuous the block, respectively, a first block, second block, third block and the fourth block, a plurality of first uniformly the secondary grooves on the first block, the second block a plurality of uniformly second auxiliary groove, even with a plurality of third grooves on the third auxiliary block, with a plurality of uniformly fourth auxiliary groove on the fourth block, the first main pattern a second main groove and the tread through a second auxiliary communication grooves communicating the second main groove and third main groove communicated with the third auxiliary communicating groove. The present invention has the wear resistance, cutting, good puncture resistance properties, low compression fatigue and heat, good heat dissipation properties, good tear resistance, environmental adaptability advantages.