Clean up your yd this season easily with the Troy-Bilt Tb370 163cc 21″ in-step rwd self-propelled lawn mower. The Tb370 rear wheel drive self-propelled lawn mower features the all new in step variable Speed drive system. In step naturally adjusts to your Speed, providing precise Speed control & delivers more traction over rough terrain. Easily raise & lower cutting height with the single-lever height adjuster. Equipped with a 163cc Briggs & Stratton engine, the tri-action cutting system & the capability to side discharge, mulch or bag, this lawn mower gives you added versatility to handle any yd. Equipped with a ReadyStart choke system with no Priming required. Plus, a cutting range with six settings ranging from 1.25-3.75″. this mower has 8″ front & 11″ durable rear wheels. Troy-Bilt offers a 2-year limited warranty on the Tb370