Vtg Hay Trolley Antique Cast Iron Farm Industrial Carrier Ornate Machinery tool!Vtg Hay Trolley Antique Cast Iron Farm Industrial Carrier Ornate Machinery tool! if you dont want the chain we can reduce shipping. antique industrial cast iron hay trolley or carrier, used on farms to move hay into barn lofts. It was a key piece of farm machinery from the late 19th through mid 20th century. It was designed to reduce the labor of manually pitching hay into storage. The item features two large wheels and a central hook for attaching to