they had to go but as with the big boys like mini mall and massey ferguson. in may 200 of these things but they found out they didn't work very good because they didn't have enough power so they discontinued them. to my knowledge this is a propane model, and i've only seen three of them. the wheels on the back are different. they made them like that, i went to an 184.6 tire which the other tractors did not have. they put a different hitch on the back and the big fat vendors which is the only difference. the propane tractors out here were never very popular at all. i knew a few when i was a kid but they were not use out here. propane was born in the midwest. to my knowledge on the only one in the nation that has all three of them. one of them i got had a big dent in the vendor. offenders are too thin to find on these tractors. the grills on these are all our growth, because it's 1960. black are grilled which indicates which decade it is, and the only thing wrong with the propane thing is you don't stop at the gas station and get propane. most people haven't se