Feb 22, 2017· Aermotor Windmill Gear Boxes, 4) 8' Aermotor Gear Boxes, 2) 10' Hub's And Shaft, 1) 8' Hub's And Shaft, Unused Old Stock, No Warranty On Items. Disclaimer This Item was not Functionally Tested and no guarantees on condition or operability are made by BigIron. It is the bidder's responsibility to inspect the item, prior to bidding, and make ...