Troy-Bilt 42021 is a powerful snow thrower designed to make clearing snow a breeze. With a 17.3 HP engine and a single-stage design, it can easily handle even the heaviest snowfalls. The electric start feature allows for quick and easy startups, even in cold weather. The recoil start serves as a backup in case of power outages. The adjustable discharge chute lets you direct the snow wherever you want, and the skid shoes help to protect your driveway or walkway from damage.