hay stacks and bales are loaded , transported and unloaded by a single man . pivotal lifting tines carried by a mast which attaches to a tractor three - point hitch are maneuvered under a stack or bale . lift assist wheels coupled with the mast raise the loaded tines to transport the load . a clamp means secures the stack or bale during transport and the tapered tines permit ease of tine withdrawal from unloaded stacks and bales .