Troy-Bilt 179cc 4-Cycle Single Stage 21 in. 179cc 4-Cycle Single Stage 21 in. Snow Blower – 31AS2S5GB66. 179cc Single-stage gas snow blower. Push-button electric start makes starting easy in cold temperatures. 190 Degree E-Z Chute control with manual pitch control. 4-Cycle OHV pull-start engine eliminates the need to mix oil and gas. Wide-fit mitten grip helps make pull-starting easy when wearing heavy gloves or mittens. Compact size and foldable handle for easy storage and maneuverability. Designed to clear light snowfall of up to 6 in. WHY OUR CUSTOMERS KEEP SHOPPING WITH US. SECURE & HASSLE FREE SHOPPING. We are available 7 days a week. All corded products are designed to work with North American 110/120V outlets only.