Description
Sumitomo’s ST909 is a commercial tire that’s designed for use on the drive axle of trucks in regional service and features S-Tech construction for a long service life, and strong traction thanks to a wide, stable footprint. The ST909 is built with advanced, Y-shaped grooves and sipes for wet traction and deep shoulder blocks and a damage resistant tread formulation that increase strength and durability for a longer tread life. Cut and chip resistant tread compound enhances durability Stone ejectors built into grooves to protect casing from damage Four steel belts in casing boosts strength Wide, stable footprint enhances stability Specifications Tire Size 255/70R22.5 140M H Brand Sumitomo Manufacturer Part Number 5533087 
