Troy-Bilt's TB140 walk-behind mower's TriAction cutting system features a rake bumper to lift grass upright, a specially designed blade for a finer mulch and a symmetrical deck for superior grass flow, eliminating clumping. The TB140 push mower is powered by an easy starting 140cc Briggs & Stratton OHV engine and equipped with 11 In. rear wheels for all terrain types, dual lever deck height adjustment and 3-in-1 discharge capability.