1951 Farmall M

Walt in Jaxn Tn.

Well-known Member
Saw a fairly nice M sell at an equipment sale for $475.00 last Saturday. I wish I'd paid attention and bought it myself. It had a single front wheel and the draw bar was completely missing. I was told it had a mounted two row corn picker on it that had sold separately. It had a hot manifold with the matching steel cover over the hot manifold. A starting tank to start on gas and crankcase diluted oil drain petcock (to drain off the unburned kerosene that would collect on top of the crankcase oil) but did not have the shutters to heat the engine to burn low grade fuel. My question now that I think about it is, would the shutters be needed if there was a high temperature thermostat in the cooling system? Your input please. --Walt--
 
A 210 thermostat would do about the same thing but you may need a winter cover or cardboard if it were real cold , to help warm it up .
 
I would tend to think, that back when it was new, there was only one or two Tstats for a M to start with, and probably no 210 tstat. The shutters were probably taken off at some point, probably to service the radiator, and they were put back on.
 
The bypass port on most letter series engines is so big that the thermostat usually does not open unless using full power for tillage or belt/pto work. The bypass can be restricted to 1/4 " hole to assure better thermal warm up. The bypass is at the sp;it where the thermostat is placed, cast into the housing. It would need a stainless steel plate made like the gasket, and a smaller hole where the D shaped bypass is located. 2 new gaskets might be needed, or Permatex #2 on one side. Jim.
 
Thanks guys,to put it back to factory, I would have had to find a set of shutters and control linkages. Probably not worth the extra expense.
 

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