Vintage Hudson Barn Unloader Hay Trolley. Approx 24" long by 16" high. The item "Vintage Hudson Barn Unloader Hay Trolley" is in sale since Saturday, December 12, 2020. This item is in the category "Collectibles\Tools, Hardware & Locks\Tools\Pulleys, Block & Tackle". The seller is "d_trading_post" and is located in Barron, Wisconsin.