Correct Oil Pressure Gauge?

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EZ
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Correct Oil Pressure Gauge?

Postby EZ » Mon Dec 20, 2004 11:35 pm

I have 3 oil pressure gauges.

333722-R91 came with the '49 when I got it. It has no numbers, just an indication for IDLE and RUN. The glass is cracked on that one, and it always seemed to go to the IDLE after running up to temp. I took that one off and replaced it with 364665-R92, that one came off my '67 Loboy. It has numbers 0 to 75. This one would also go to what I considered low pressure @ 15lbs. when up to temp.

When I was visiting with Rudi this summer he gave me another gauge. The 31041-08 (looks exactly like the one I had on the '44 A) This one has no numbers, but has a "RED" zone at the lower end. I installed it last week and so far after running under good power pushing snow for an hour or so, it indicates less than half, but nowhere near the red zone. I'm feeling good about that. :D

Are any of these gauges proper for the '49?

She's running real sweet, no smoke, except white when it's 25 to 30 below. I'm running 10W-30.
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Postby Bigdog » Tue Dec 21, 2004 7:50 am

My 49 has the unmarked gauge with the red zone. As far as I know, it is the original gauge.
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Postby John *.?-!.* cub owner » Tue Dec 21, 2004 9:59 am

15 psi on a cub when hot is good oil pressure.
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Postby Todd » Tue Dec 21, 2004 10:43 am

my 76 is 0 -45 psi, is this correct
i have a few tractor pics on my site i should have started taking them before i took it apart

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Postby nosih » Tue Dec 21, 2004 10:43 am

The gauges you have are for the following appications:

333722-R91 is for a gas start diesel application

364665-R92 is for the W9-600/650 gas tractors

31041-DB is for the F12/14 and the CUB

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Postby EZ » Tue Dec 21, 2004 12:47 pm

nosih,

Thanks for the info.
I thought those last 2 characters might be -DB, but was not sure as it was a little hard to read from it's position on the tractor.

I'm feeling really good now.

When Rudi handed this one to me, there was some oil inside the glass, is this a problem? The oil seems to have leaked out while on the shelf for the last 5 months, and I don't see any new oil getting in.
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Postby Jim Becker » Tue Dec 21, 2004 7:54 pm

Oil gauge probably changed as often as ammeters did. The original part called out for the early Cubs was 31041-DB. TC-37F shows 4 different oil gauge part numbers.

364665R92
393487R91
528245R91
536967R1

You can probably find others listed elsewhere.


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