This cart could be a back up auger or it could be converted to a seed wagon with a little work. I dont know how many bushel it holds. Put lower new bearing on it a few years ago and retired from farming. Has the big airplane wheel and tires on it about a zillon ply tire good for those 200 mph landings. Good basic cart with pto. I dont access this site often so best to text me. 970-218-9724. Grain cart, seeeder 645 or offer. I think it is 8 feet by 12 feet box size x 39" on the main bed total height (without the board extender on top) to the bottom of the v is 84". You can add a hydralic motor and get rid of the pto without a very large cost. The labels say its a BTM cart made in Dodge city. I do not see a tag with the bushel size anywhere.