Massey Discussion Forums > Massey Talk > Request to Massey-Harris 33, 44, and 55 Diesel tractor owners
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Request to Massey-Harris 33, 44, and 55 Diesel tractor owners

Hey fellow Massey Diesel collectors,

You may have read the separate thread about the 33 Diesel serial numbers ending with a "P" for the American Bosch PSB fuel injection pump.  My older 44 Diesel tractors (1950 and 1952) do not have the "P" after the serial number, but do have the PSB fuel pump.

I think it would be interesting to try and narrow in on when Massey started adding the "P" to the serial number stamping.  If those of you who own 33, 44, or 55 Diesel tractors are willing to share your serial numbers, and whether or not they include the "P", we might all learn something.   :-)

Thanks,

John

RE:Request to Massey-Harris 33, 44, and 55 Diesel tractor owners

John

I have a 1952 44 Diesel High Arch (Wide Front). It is fitted with an American Bosch PSB injector pump.

It's serial number is  44 DR 3053.

I think it's a good idea of yours to narrow down when the 'P' was added to the number and pehaps to have a record of all the serial numbers.

Alan
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