mitsubishi d1550

Hi All, Where could I locate a manual for this tractor? Any Idea on how old it could be? Enjoy the rest of the weekend.

Does the D1550 have an over-run clutch on the PTO Shaft?

HI I have have a Mitsubishi D1550 tractor, it has a 3 cylinder engine 6Fwd 2Rev transmision. The PTO has 3 speeds can any some one advise what the speed ranges are, as I only have an RPM clock. How many PTO turns per engine rev is each gear? I wish I still had a hand tach. Oh by the way how...