Antique Vintage Cast Iron Unloader Hay Trolley Carrier Pulley Tool Barn Find. The item "Antique Vintage Cast Iron Unloader Hay Trolley Carrier Pulley Tool Barn Find" is in sale since Monday, May 20, 2019. This item is in the category "Collectibles\Tools, Hardware & Locks\Tools\Pulleys, Block & Tackle". The seller is "lpotter9899" and is located in Decatur, Arkansas. This item can be shipped to United States.