If you want a lawn mower to last decades, you should get the Ariens Classic LM21SW lawn mower for three reasons: High quality, commercial grade Kawasaki engine. Versatile swivel wheels that won't wear down or break off like tilted wheels. Lastly, Ariens quality. Ariens makes serious lanw mowers designed to last. One Ariens will often outlast 2-3 cheap lawn mowers.