RE: How do you identify a genuine Mills P-75 Diesel?
DAN,
That looks to be a genuine Mills- not sure if the carb is tho(I think all Mills had a one peice machined carb/venturie , includeing the needle valve body)
From what I know,
Indian mills had india stamped inside the backplate, likewise Irvine had irvine, the Doonside has webs on the crankcase to shaft extension as does the russian copies.
Hope this helps
Stewart
PS mine has No's on both beam mounts - 2 aside, one peice carb assy with cutout arm- missing the spring.
Oh I think most genuine P75's also had a pin to limit the compression screw movement, yours is missing , does it have a small threaded hole for said pin ?