Pulsar 21 Single-Stage Gas Snowblower PTF1420Pulsar 21 Single-Stage Gas Snowblower PTF1420. 196cc 4-cycle gas engine with recoil start Single-stage operation 21″ clearing path 12″ intake height 5 diameter auger 180° chute turning radius. The Condition of this item is : Open Box. Special Note: Great Condition. Retail Price : 599.99. This Item comes with.