- Quicksilver 3500: FWD-N-REV. Used on models 40EZ, KeyEZ, and ThunderVolt (12 V DC).
- Quicksilver 3556: FWD-N-REV with Disc Brake. Used on models 65EZ and Supertow I
- Peerless 704: FWD(x5) -N-REV with Disc Brake. Used on Supertow II-IV and Supertow Pro
Quicksilver models are manufactured exclusively in our North Idaho factory. Pushback of the aircraft is reverse and Tow is forward in our terminology.