Sumitomo's ST918 is a commercial tire that's designed for use on the drive axle of trucks in rough urban and metro assignments. The ST918 features a center tread section designed for improved traction and braking, sidewall protection ribs that guard the tire from damage, a multi-phase tread that boosts traction, and steel belted construction for long wear.

The Sumitomo ST900 is a commercial tire that's designed for use on the drive axle of trucks. The ST900 is ready for rough work, with an extra deep on- and off-road tread pattern, a liner designed to head off corrosion of the steel belt package, and a specialized damage-resistant tread compound.

The Sumitomo ST720 is an all position commercial tire that features a wide footprint for even wear and good ride quality, a four-belt casing with steel belts that are treated to resist corrosion, long-wearing rubber compound and wide shoulder ribs for improved cornering.

The Sumitomo ST718 is a commercial truck tire designed for urban and metro fleet operations, particularly for all positions on the vehicle. It features a five-rib tread design (four-rib on 8R19.5 size) that enhances rolling stability and wet/dry traction. The tire also incorporates features like sidewall protection ribs, steel belted construction, and a cut-and-chip resistant tread compound for durability and long service life

The Sumitomo ST528 is a commercial tire that's ready for rough work, and is equally capable on or off pavement. The ST528 is designed with wide grooves to boost wet weather traction, sidewall protection ribs that guard the tire from damage, rust inhibitors on the tire's steel belts, and a thick undertread to protect the belt and ply package.

The Sumitomo ST518 is a commercial tire that's tough enough for use on or off the pavement. The ST518 is designed with wide grooves to resist hydroplaning, a tough inner liner that protects the tire's steel belts from corrosion, and Sumitomo's C.V.S.T technology that limits flex and stress on the tire's structure in rough use.