6 cylinder 251 Chrysler flat-head. Its a gutsy little motor. Mine burns a little oil but is still purrs like a kitten and starts like a charm. Now, the guy I bought this machine from has another one with a "bad motor." It would probably run again but the head gasket is bad, and it is probably stuck. The rest of the machine is in pretty good shape. I want to buy that machine and with a little work a turboed BT4 Cummins would fit right in that hole. And with some modifications a hydro unit out of a 7600 sould fit in the frame. Then I would have the only diesel hydro 525 in existance. I think that would be kinda cool. The parts would cost more than the machine is worth, but it would be worth it to me.
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