Correct Oil Pressure Gauge for '48 SA?

Farmall Super A, AV, 100, 130, & 140 1939 - 1973

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Dale Finch
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Correct Oil Pressure Gauge for '48 SA?

Postby Dale Finch » Sun May 17, 2015 2:43 pm

I noticed that my oil pressure gauge on my SA still showed pressure after shutting it down.
First question, can this be fixed?
Second question, Which is the correct gauge for the '48 SA on a C123 Engine? The parts manual says it is #43 987 DB. When I do a search for that part number, I get a variety of answers. For example, Steiner's shows that part number, but says it is good for SA's through 1946:

These guys say it is good for 1947 to 1954:

As do these guys:

Which one would be correct, and is the pressure 0-75 as indicated by Steiner's (the only one to give the pressure range)
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Re: Correct Oil Pressure Gauge for '48 SA?

Postby havoc1482 » Sun May 17, 2015 4:35 pm

Wait a 48 with a C123? I'm guessing replacement? Anyways. I replaced my gauge with a tractor supply one that reads 0-80 with a warm engine sitting at about 20, maybe less. The Steiner is not period correct for the SA SAV. Notice the "C" enveloping "IH". The SA and SAV (anything '47+ really) just says IH. It would work, but that it the only real difference. I also have a 1948 SA.

My guess is IH never changed the part number because they are, in reality, identical except that one little logo difference.

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Re: Correct Oil Pressure Gauge for '48 SA?

Postby Super A » Sun May 17, 2015 7:22 pm

If it has a 123 in it, which would be a replacement engine, Probably one that reads 0-75, depending on how old a 123 it actually is. I think they used the "zone" type gauge through the Super A and Super C production and when the 100 series came out they went to one with numbers.

The one from or ebay you posted would be most correct as far as appearance goes for a '48 Super A.

I have a feeling the earlier gauge (IHC on the face instead of IH) would have had a D or DA suffix but same number.

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Re: Correct Oil Pressure Gauge for '48 SA?

Postby Gordon1121 » Sun May 17, 2015 9:21 pm

The SuperA1 was the only SuperA to have the 123 engine. All before had the 113. Like you said could have been swapped. We have a 100 1955 model and a 130 1957. The 100 came with the color coded gauge and the 130 came with the 75 lb. gauge. One thing I found to watch was that the color gauge I picked up one in the 90's because the original finally got to faded to see and it ran right one the edge of the red which I knew couldn't be right. Took it back and the guy told me it was set up for a higher pressure engine and gave me another which read good.

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