Troy-Bilt 31AS2S5GB66 179cc 4-Cycle Single Stage 21 in. Gas Snow Blower New. The Troy-Bilt Squall 179E allows you to clear light snowfall of up to 6 down to the pavement so you can get on with your day. Your Squall will start for you when you need it most at the push of a button, even in cold temperatures. It’s auger-assisted drive system grips the ground to provide maximum clearing with less pushing effort on your part. Light snowfall won’t be a hassle with the Troy-Bilt Squall 179E. 21″clearing width and a 9″ steel reinforced rubber auger paddle. Troy-Bilt 179cc 4-cycle OHV with push-button electric start. 190-degrees E-Z ChuteT control adjustment. Ergonomic and foldable handle. Condition is brand new.