hay wagon

noun, N. Amer., a wagon for carrying bales of hay etc. (COD)

“I’ve unloaded the hay wagons and been in the barn, but not as much as they did.”

“You know, whether you fell off a hay wagon or got run over with something… ”

“He built his own sleigh, I remember, and he had a frame around it just like a gallows rack, like you’d see on the hay wagon style and that.”