well i got a 741 at the crusher with no motor in it apperently had a deutz 2 cly diessel. i understand this is a 29 hp at 2200 rpm i have a 5 cly mercedies diessel but its probly to much hp so what do you all think 5cly for free allso my pump has a splined shaft . isnt there soposed to be a drive shaft to conect the motor , i dont know what was here orignally