WD low oil pressure ??
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Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=10953
Printed Date: 23 Jan 2025 at 6:52pm
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Topic: WD low oil pressure ??
Posted By: AllisFreak MN
Subject: WD low oil pressure ??
Date Posted: 11 Apr 2010 at 9:43pm
I have a question for you all. My WD oil pressure gauge takes forever to register any pressure at all. It has been this way for a few years now. I tried three different gauges but they all are the same. It runs fine, does not knock or tick, there is no antifreeze in the oil, it runs cool, doesn't burn oil, does not smoke or anything like that. I took the oil gauge off today while the engine was idling and there was just a slow drip of oil that came out of the hole, is that how it should be? There is oil getting pumped up to the filter. What is the deal??
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'49 A-C WD, '51 A-C WD, '63 A-C D17 Series III, 1968 A-C One-Seventy, '82 A-C 6060, '75 A-C 7040, A-C #3 sickle mower, 2 A-C 701 wagons, '78 Gleaner M2
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Replies:
Posted By: ToddSin NY
Date Posted: 11 Apr 2010 at 9:47pm
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Plugged oil galley to the gauge?
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Posted By: Gerald J.
Date Posted: 11 Apr 2010 at 11:30pm
Which filter? Pleated paper or wad of cloth?
Gerald J.
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Posted By: BobHnwO
Date Posted: 12 Apr 2010 at 4:40am
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Is the stand pipe in the filter?
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Posted By: Glockhead SWMI
Date Posted: 12 Apr 2010 at 11:20am
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Check to make sure the pipe is not bottomed out in the filter mount also.
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Posted By: AllisFreak MN
Date Posted: 12 Apr 2010 at 6:23pm
Filter is the wad of cloth type, the pipe is there, I will have to check the oil galley to the gauge. Should oil pour out of that galley when the engine is running with the gauge removed?
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'49 A-C WD, '51 A-C WD, '63 A-C D17 Series III, 1968 A-C One-Seventy, '82 A-C 6060, '75 A-C 7040, A-C #3 sickle mower, 2 A-C 701 wagons, '78 Gleaner M2
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Posted By: AllisFreak MN
Date Posted: 13 Apr 2010 at 5:46pm
GlockHead; you were right. The standpipe was pushed down cutting off the flow to the oil gauge. You are a genius! Thanks.
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'49 A-C WD, '51 A-C WD, '63 A-C D17 Series III, 1968 A-C One-Seventy, '82 A-C 6060, '75 A-C 7040, A-C #3 sickle mower, 2 A-C 701 wagons, '78 Gleaner M2
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Posted By: Jeff Z. NY
Date Posted: 13 Apr 2010 at 5:53pm
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Glad to hear you got it fixed.
Make sure on some filters you but to remove the wooden dowl they put in the filter for shipping to keep the hole in the filter for the stand pipe open.
PS: Any oil pressure on a WD is good oil pressure. LOL
I have one that has been running 5 to 6 lbs for the last 15 years.
They refuse to die.
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Posted By: Glockhead SWMI
Date Posted: 13 Apr 2010 at 7:57pm
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Glad I could help. It isn't often I can add much around here as I do not have the wealth of experience some of the others do. I had some oil problems on my wd 45 a couple years ago and learned the ins and outs of the wd oil system.
Jeff, I know what you mean. I didn't think my 45 would make it through last years plowing. It did and plowed again this year. Smokes, rattles and has low pressure but keeps on going.
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Posted By: Dave(inMA)
Date Posted: 13 Apr 2010 at 8:02pm
All of those tractors of that era seem tough as nails. Hard to break them, and they run almost no matter what. I've often wondered if the ones AC built after the D series were the same.
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WC, CA, D14, WD45
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Posted By: AllisFreak MN
Date Posted: 14 Apr 2010 at 9:41pm
Thanks to you all for the advice. You are right, WD's are some tough old buzzards.
AllisFreak
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'49 A-C WD, '51 A-C WD, '63 A-C D17 Series III, 1968 A-C One-Seventy, '82 A-C 6060, '75 A-C 7040, A-C #3 sickle mower, 2 A-C 701 wagons, '78 Gleaner M2
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