Gehl model 99 blower. This is the type that has 2 spinning blades feeding the main fan from both sides.
Details
This blower is in excellent condition and was always shedded since it was purchased new in 1987, and was used to fill an 18 x 60 silo with hay and 14 x 50 silo with corn yearly for 8 years on a small farm. Asking $700 or best offer.