operating water temp

Raymond McCarter · May 22, 2009

I have a 1939 john deere model A and I was wondering what the operating water temp should be. Any suggestions? thanks

Anonymous-0 · May 22, 2009

160 if it has the low temperature thermostat for alcohol antifreeze. 180 if it has a modern high temperature thermostat. Colder than that it won't boil the water out of the oil.

Gerald J.

Ray in CT · May 22, 2009

so if the gauge is reading 200 then its overheating? It might just be a bad gauge it looks originial

Andy Motteberg · May 22, 2009

Was it working hard?

Anonymous-0 · May 22, 2009

If the gauge gets to 220 and there's a pressure cap on the radiator, its overheating. If the thermostat works it won't overheat. If it boils over its overheating. But that overheating can come from bad ignition timing or running lean or bad water circulation.

Gerald J.

Anonymous-0 · May 22, 2009

A 39 A doesn't have a thermostat. It has mechanically operated shutters which are probably missing, but they could be stuck in the closed position.

buickanddeere · May 22, 2009

If working, 180F+ on gasoline. If working while burning kerosene, 200F+.
If just putting around at shows etc and running 50/50 coolant mix, 210-220F is not too hot.

buickanddeere · May 22, 2009

Had to wait until 1952 to get the decedent of the A, the 60 to have a stat.

operating water temp

Raymond McCarter

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Anonymous-0

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Ray in CT

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Andy Motteberg

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Anonymous-0

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Anonymous-0

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buickanddeere

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buickanddeere

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