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oil pressure gauge

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staninlowerAL
10+ Years
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Posts: 4974
Joined: Fri Oct 29, 2010 11:34 pm
Zip Code: 36558
Tractors Owned: Cubs: (3)'49's, (1 is for parts), (1)'57 IH Cub LoBoy w/FH, (2)154 Number Series Loboys, (1 is for parts), '76 Longstripe w/FH, Mowers: C-22, Bush Hog 412, Pennington 59, Woods RM42CF, Woods 42, assorted FCub plows, planters, discs, etc. OTHERS: '49 AC B & Ind. Sickle mower, '61 AC D12 Ser 2, '52 8N, '56 Ferguson 35 Deluxe, '47 & '49 Avery V, '53 MM BG (offset), '51 JD M (regular), '56 JD 420C, with Blade and fire plow, '85 JD 850 (Yanmar) w/72" belly mower, '76? Yanmar 2TR15 1500 & Bush Hog SQ42S-2 mower, '78? FORD Dexta, '86 FORD LGT14D & 48" Mower, (2)Cub Cadets & Mowers (MTD), (4) Sears Surburban's, other MTD mowers, Jeeps & other misc. "treasures"
Circle of Safety: Y
Location: AL (Southwest)

oil pressure gauge

Postby staninlowerAL » Fri Jan 08, 2016 9:18 pm

I noticed that TC 37F Parts Manual lists several different part numbers for the oil pressure gauge which I assume is for different year model tractors. The only ones that I have actually seen have a "range" rather than numbers on the face so anyone care to explain the difference and when used? I understand the "sending unit" and its function as well as that it was used with the oil pressure indicator light like the Numbered Series LoBoys. Thanks. Stan
oil pressure.JPG
Stan in LA (lower AL)
USAF & Reserves, Reg ARMY, ARMY NG (AL)

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bob in CT
Team Cub Mentor
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Posts: 6018
Joined: Thu Jun 07, 2007 9:34 am
Zip Code: 06040
Tractors Owned: 77 Cub (red); 74 Cub; 52 Cub; 50 Cub ( post-demo)
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Location: CT, Manchester

Re: oil pressure gauge

Postby bob in CT » Fri Jan 08, 2016 9:39 pm

Just a guess, the later tractors with higher RPM also had higher oil pressure at maximum engine speed.

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Glen
10+ Years
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Posts: 6095
Joined: Mon Mar 19, 2012 7:33 pm
Zip Code: 00000
Tractors Owned: 1956 Farmall Cub with Fast Hitch, F-11 plow, Disc, Cultivator, Cub-22 mower
Circle of Safety: Y
Location: Wa.

Re: oil pressure gauge

Postby Glen » Sat Jan 09, 2016 2:43 am

Hi,
TM Tractor says there were 4 different oil gauges IH used on Cubs. Here are pics below, at the top of the page. IH changed the style over the years.
My friend had a 1955 Cub, it had the 2nd gauge, he put one of the 4th ones on it, he didn't like it too well, the hand didn't go up much on a gauge made for 75 lbs. At the time, we couldn't find one of the older style, that was before the internet was around. :)

http://www.tmtractor.com/new/en/en_001newparts.htm

staninlowerAL
10+ Years
10+ Years
Posts: 4974
Joined: Fri Oct 29, 2010 11:34 pm
Zip Code: 36558
Tractors Owned: Cubs: (3)'49's, (1 is for parts), (1)'57 IH Cub LoBoy w/FH, (2)154 Number Series Loboys, (1 is for parts), '76 Longstripe w/FH, Mowers: C-22, Bush Hog 412, Pennington 59, Woods RM42CF, Woods 42, assorted FCub plows, planters, discs, etc. OTHERS: '49 AC B & Ind. Sickle mower, '61 AC D12 Ser 2, '52 8N, '56 Ferguson 35 Deluxe, '47 & '49 Avery V, '53 MM BG (offset), '51 JD M (regular), '56 JD 420C, with Blade and fire plow, '85 JD 850 (Yanmar) w/72" belly mower, '76? Yanmar 2TR15 1500 & Bush Hog SQ42S-2 mower, '78? FORD Dexta, '86 FORD LGT14D & 48" Mower, (2)Cub Cadets & Mowers (MTD), (4) Sears Surburban's, other MTD mowers, Jeeps & other misc. "treasures"
Circle of Safety: Y
Location: AL (Southwest)

Re: oil pressure gauge

Postby staninlowerAL » Sat Jan 09, 2016 7:34 am

Glen wrote: My friend had a 1955 Cub, it had the 2nd gauge, he put one of the 4th ones on it, he didn't like it too well, the hand didn't go up much on a gauge made for 75 lbs.

Thanks. This confirms my suspicion that the gauges were calibrated for different pressure ranges. I suspect that the early one was probably 0-30 while the later one shows 0-75. I didn't think to look at the TM offering availability. Stan
Stan in LA (lower AL)
USAF & Reserves, Reg ARMY, ARMY NG (AL)

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John *.?-!.* cub owner
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Tractors Owned: 47, 48, 49 cub plus Wagner loader & other attachments. 41 Farmall H.
Location: Mo, Potosi

Re: oil pressure gauge

Postby John *.?-!.* cub owner » Sat Jan 09, 2016 2:55 pm

Since cubs had a 35 pound pressure relief on the lubricating system, I suspect the 75 was made for different tractors than the cub, but it was cheaper to make the same gauge and simply use a different adapter.
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