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Oil change WD45

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
Printed Date: 16 Aug 2022 at 7:25am
Software Version: Web Wiz Forums 11.10 -

Topic: Oil change WD45
Posted By: Ed (Ont)
Subject: Oil change WD45
Date Posted: 21 Jun 2022 at 7:26pm
Did an oil and filter change on my old tractor. Doesn't get used much so has been a few years since I did it. Used Shell rotella 15-40 but the older spec oil in the black pail. New filter from Agco. Really brought the oil pressure up - now constant on the high end of the gauge. Stays on the "L" in normal on the face of the gauge. It had 5-40 synthetic in it before and the pressure wasn't as good. I think the non synthetic is better for these old girls! Winter starts may be a bit harder tho. Smile

Posted By: exSW
Date Posted: 21 Jun 2022 at 7:44pm
Use that oil in my WD. Fires up just fine in the cold.

Learning AC...slowly

Posted By: Aaron123
Date Posted: 22 Jun 2022 at 6:54pm
I use Rotella 15-40 in my wd45 and it seems good.
The guy that owned it before me put it in most engines he has.. they even put it in there dodge minivan. Lol

Posted By: SteveM C/IL
Date Posted: 23 Jun 2022 at 6:24am
Wally world 10-30 full synthetic in my 45

Posted By: Robert Musgrave
Date Posted: 23 Jun 2022 at 9:54am
Dad's 1949 WD spent its first 40 or so years using SAE 20W-20, now has 10W-30.  As far as pressure, the book says that "oil pressure is sufficient when the needle on the gauge is between the O-R-M in the word "Normal" on the guage!  O, for the sake of simplier times!  R. Musgrave

Posted By: Tbone95
Date Posted: 23 Jun 2022 at 11:31am
You went from 5 viscosity at start up, to 15 viscosity at start up.  Yep, your oil pressure will be higher.  

Posted By: Ed (Ont)
Date Posted: 23 Jun 2022 at 9:22pm
I'm not talking about startup. That is fully warmed up to about 170 degrees F. Drove it a few miles. Top number is what counts when it is hot - both are 40 so should be close.
Engine is 226 gas just to clarify. It stays at 170-175 constant even on hot day. Not trying to start any argument here. Just sharing some observations as the oil discussions seem to appear here once in a while. Smile

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