Ariens Sno-Tek (20) 136cc Large Snow Blower 939401 WORK HORSE! Tuned up/ readyAriens Sno-Tek (20) 136cc Large Snow Blower 939401 WORK HORSE! Condition is “Used” great condition!! This is a great snow blower but Im off to a warmer climate. Professionally Tuned up every year. All ready for next season! Used a few seasons..