Allis CA front crank seal replacement
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=87072
Printed Date: 19 Dec 2025 at 4:10am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: Allis CA front crank seal replacement
Posted By: brenpak
Subject: Allis CA front crank seal replacement
Date Posted: 26 Mar 2014 at 5:27pm
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Can anyone tell me how to change the front crank seal in a Allis CA ? Can I do it from the front? What do I need to remove to get at it? Any tips or tricks putting it back in. I just purchased it last weekend and low and behold a oil leak from the front crank. So can anyone help me out.
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Replies:
Posted By: Josh Day
Date Posted: 26 Mar 2014 at 6:11pm
You pry will have to take the timing cover off, I am almost to that point on mine.
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AC's 75' 7040, 64' D-17S4, 55'WD-45, 54' WD-45, 53' WD-45, 53' WD, 52' CA, 36' WC. IH 656. Deere's 38' A, and 47' A
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Posted By: Dakota Dave
Date Posted: 26 Mar 2014 at 6:31pm
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I'm pretty sure I had to take the front bolster off to get the timing cover off. when you put it back on the cover needs to be adjusted so the seal is centered on the crank pulley or it'll leak and you'll be bpulling it apart again. the second time I did mine I ran it with the hood radaitor and alternator removed so I could check it before completly reassembeling it.
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Posted By: Ken in Texas
Date Posted: 26 Mar 2014 at 7:22pm
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If there is a groove worn in crank or even if there isn't, a SKF speedi sleeve #99150 installed on the crankshaft is good insurance against a leaky new front seal.
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Posted By: brenpak
Date Posted: 26 Mar 2014 at 7:58pm
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With the speedy slave would I use the same seal? I surely don't want to do this twice even though it is a good way to get to know my tractor. I don't have a good manual so I will be attacking this blind. Every time I run into something, I have to order parts, so I guess what I'm asking is if there is a list of parts for this tractor, that I could use as a reference to order in advance. Also, am I wrong in using a seal puller to remove the old seal, and then driving the new seal in? If anyone knows the answer or a more complete picture on how to finish the job, I would greatly appreciate it. Thank you.
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Posted By: norm[ind]
Date Posted: 26 Mar 2014 at 8:11pm
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WILL NOT COME OUT HARD HAVE REPLACED MANY JUST TAKE THE PULLEY OFF AN INSALLA NEW WITH THE SEAL 574-527-2429 WILL EXPLAIN
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Posted By: Gerald J.
Date Posted: 26 Mar 2014 at 8:17pm
The sleeve is nice and its not thick enough to require changing the seal inside diameter.
An alternative to sleeving the grooved pulley shank or shaft (engines have been built both ways) is to use some adhesive like black Permatex to hold the seal some distance from seating in the timing cover. Then the seal rides on a fresh surface. Did that to my dad's 1954 Ford (the first car he ever bought new) and it worked fine.
Gerald J.
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Posted By: brenpak
Date Posted: 26 Mar 2014 at 8:33pm
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Im gonna dig into it this weekend thank you Norm(ind) for summing up the procedure I will let you know how she goes. Thanks again my new orange blooded friends..
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Posted By: brenpak
Date Posted: 29 Mar 2014 at 5:43pm
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Well I removed the hood the radiator and the front end and pulled the old leaky seal out no problem to this point. I opened up the new seal package and of coarse it is the 2.01" od instead of the 1.9375" # 70225806 Now I am looking all over the net for this seal does it even exist? If anyone knows were I can get one or two would you please let me know? I am trying to get it in my hands by next weekend. So depressing to get so far and be held up by not having the parts. Thank You ....
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Posted By: GregLawlerMinn
Date Posted: 29 Mar 2014 at 7:11pm
The CE engine has two seals; you have my luck. Contact Sandy Lake and they can provide the right one.
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What this country needs is more unemployed politicians-and lawyers.
Currently have: 1 D14 and a D15S2.
With new owners: 2Bs,9CAs,1WD,2 D12s,5D14s,3D15S2s, 2D17SIVs,D17D,1D19D;1 Unstyled WC
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Posted By: JimIA
Date Posted: 29 Mar 2014 at 7:30pm
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Where are you in Wisconsin? I am in NE Iowa. Might have one on hand.
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Posted By: bberry
Date Posted: 30 Mar 2014 at 5:26am
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I think I am going to have to do the same with my front seal. My 1956 CA is leaking a little. So will I have to pull off the timing cover or just the front pully and tap a new one in from the outside?
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Posted By: brenpak
Date Posted: 30 Mar 2014 at 5:40am
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I am from the land of the big cheese! Green Bay, Wisconsin . It looks like when I find one of these golden seals, AC part # 70225806 I will be able to tap it back in, the old one came out with a seal puller with no problem at all. The number on the old seal has a stamp cr 225006 which I also spent all night searching the web for with no luck, So that leaves me depending on my friends here on the forum. It is Sunday so I will call around Monday. I will let everybody know were I got it from when I find one. I am gonna buy two one for dropsy's if you know what I mean.
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Posted By: Josh Day
Date Posted: 30 Mar 2014 at 6:59am
Sandy lake is where I get 90% of my parts also.
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AC's 75' 7040, 64' D-17S4, 55'WD-45, 54' WD-45, 53' WD-45, 53' WD, 52' CA, 36' WC. IH 656. Deere's 38' A, and 47' A
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Posted By: David(Stockbridge)MI
Date Posted: 30 Mar 2014 at 7:52am
Have 5 in stock DJS Tractor Parts
734-320-3470
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All "NEW" Web Site http://www.djstractorparts.com
2035,A,U,UC,WF unstyled,WF styled,WC High Crop (cane),RC,B,IB,C,CA,WD,WD45,G,D10,D12,D14,D15,D15 II,D17,D19,WC styled,WC unstyled H3 crawler
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Posted By: brenpak
Date Posted: 30 Mar 2014 at 8:14am
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Just ordered them from DJS Tractor parts!! Seems my luck has changed!! AWWWRight!! Seems Like Next weekend I have another date with my CA. Thank You Guys for Helping me I sure appreciate sites like this..
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Posted By: JimIA
Date Posted: 31 Mar 2014 at 12:14pm
Glad David got you going. I keep them on hand also.
Jim
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Posted By: r32rtb
Date Posted: 25 Oct 2017 at 5:07pm
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Just in case someone else runs across this post, DJS will send you National 42260S which is only $4 at any parts store. DJS is making a killing by charging $15.75 plus shipping. Just order this from O-Reilly https://www.oreillyauto.com/detail/national-2929/agriculture-hd---seals-19814/seal/42260s/2549411 " rel="nofollow - https://www.oreillyauto.com/detail/national-2929/agriculture-hd---seals-19814/seal/42260s/2549411 ;
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Posted By: Gerald J.
Date Posted: 25 Oct 2017 at 5:52pm
Baum Hydraulics has a huge selection of seals. http://www.baumhydraulics.com" rel="nofollow - http://www.baumhydraulics.com
The CA shop manual I have on line should help the process.
http://geraldj.networkiowa.com/Trees/Allis-Chalmers-G-B-C-CA-Service.pdf" rel="nofollow - http://geraldj.networkiowa.com/Trees/Allis-Chalmers-G-B-C-CA-Service.pdf
Gerald J.
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