1953 CA?
Printed From: Unofficial Allis
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=162702
Printed Date: 21 Aug 2025 at 1:34pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: 1953 CA?
Posted By: Hunt4Allis
Subject: 1953 CA?
Date Posted: 10 Jul 2019 at 11:52pm
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So my shop manual for this tractor shows four quarts of oil needed for the motor but does not specify what weight oil it needs? I'm in NE Ohio and it's been 90 degrees lately, so I'm looking for the best weight oil for summertime going into fall with keeping in mind that I'm going to be using this tractor for a lot of work coming up including running a 5 foot brush hog, sickle mower and possibly plowing? Thanks Matt |
Replies:
Posted By: Hunt4Allis
Date Posted: 11 Jul 2019 at 1:13am
I did find this in the lubrication and service guide...
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Posted By: Hunt4Allis
Date Posted: 11 Jul 2019 at 1:15am
| So what Ill be best to use is SAE 20 correct? |
Posted By: Gary Burnett
Date Posted: 11 Jul 2019 at 3:03am
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I use 15W-40 diesel grade oil in almost every engine I own and its quite a few of them from 1 cylinders to my Landini with the 354 Perkins.Also use it in my CA.Oil has changed dramatically since the CA was built.
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Posted By: WF owner
Date Posted: 11 Jul 2019 at 4:37am
| When these tractors were built, straight weight oils were the norm. Multi-viscosity oils are better suited for a wide range of temperatures, like the extreme heat you are experiencing right now. |
Posted By: Hunt4Allis
Date Posted: 11 Jul 2019 at 5:38am
| So 5w-20 or 30 be better? |
Posted By: WF owner
Date Posted: 11 Jul 2019 at 5:45am
| Since AC says 10W for cold weather, I would probably not go to a lighter weight than that. I, personally use 10W-30, but a lot of guys are using 10W-40 or even 15W-40. I would hesitate to use 5W, fearing it may be a little too thin to maintain oil pressure on a bypass system. |
Posted By: ac hunter
Date Posted: 11 Jul 2019 at 7:30am
| Dad always used 10W-30 in his WD-45 regardless of the weather / temps since it was new. The tractor has never been overhauled and did all the heavy work on our 160 acre farm for a lot of years. The tractor still runs well but of course is retired now. |
Posted By: HoughMade
Date Posted: 11 Jul 2019 at 7:48am
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I use Rotella 15W40 in my B year round. ------------- 1951 B |
Posted By: Scott B
Date Posted: 11 Jul 2019 at 10:16am
Yep, me too. D-17, 2 B's and a yet to run CA. And a diesel Massey Ferguson 231 ------------- D17 Series 1 Allis B- 1939 Allis B- 1945 |
Gary Burnett wrote:Posted By: HoughMade
Date Posted: 11 Jul 2019 at 10:19am
No 5W20....never 5W20. Too thin no matter what the temp is. Plus 5W20 only became a thing in the last several years and is formulated for modern engines with modern metallurgy and only for engines with tolerances and oil systems designed for it.
------------- 1951 B |
Posted By: Jim.ME
Date Posted: 11 Jul 2019 at 4:48pm
| We run 15W40 in all our equipment. |
Posted By: Hunt4Allis
Date Posted: 11 Jul 2019 at 5:30pm
| I ended up getting straight 30 weight oil that my agco recommended |
Posted By: DougS
Date Posted: 11 Jul 2019 at 6:07pm
Neither. Use 10W-30 if you're going to use a multiviscious oil. I wouldn't use 15W-40 during the cold winter months either. |