Construction and other equipment - Allis 840 forklift mast seals

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Allis 840 forklift mast seals

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Construction and other equipment
Forum Description: everything else with orange (or yellow) paint
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=177284
Printed Date: 03 May 2024 at 4:39pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: Allis 840 forklift mast seals

Posted By: Adam Stratton
Subject: Allis 840 forklift mast seals
Date Posted: 04 Jan 2021 at 9:40pm

Could someone point me in the right direction for a seal kit for the mast on my 840 forklift? It is a 14' lift. I was hoping to order the kit and have it on hand to minimize down time. I dont have it in front of me now, but I think the parts book shows 100536-39 as the number, but I'm not having any luck finding it. I've rebuilt quite a few cylinders, but never a forklift mast. Anything to watch for especially or should I just take it to the shop to begin with? Thanks

Replies:

Posted By: orangeman
Date Posted: 21 Apr 2021 at 11:28am

Adam: Late to reply here, but wondering if the seals for that lift would be the same as the other 14' lift cylinders on the 500 and 600 series forklifts. I have parts book available for the 500 and 600 rough terrain AC lifts and could cross reference if that would help.

Orangeman

Posted By: Sugarmaker
Date Posted: 21 Apr 2021 at 4:06pm

On my mast cylinder a shop quoted between $600 and $1500. with them supplying the seals and the labor. I did get a seal kit from someone. (I will have to try to remmeber who). Ha d a guy that knew way more than me do the job for $150 and I provided the seal kit and some labor.

Best to get the numbers off the side of the mast too. Stamped about head high on the right side on mine.

Good luck. Maybe you got it done by now?

Regards,

Chris

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D17 1958 (NFE), WD45 1954 (NFE), WD 1952 (NFE), WD 1950 (WFE), Allis F-40 forklift, Allis CA, Allis D14, Ford Jubilee, Many IH Cub Cadets, 32 Ford Dump, 65 Comet.

Posted By: Adam Stratton
Date Posted: 22 Apr 2021 at 3:43am

Thank you both for replying. I generally put in seal kits myself when I can and dont like long waits and down time. I also dont like paying shop labor for jobs I can do. It wasnt that long ago we didnt have a forklift and now we hate to be without one! Since I couldnt find a seal kit, I bit the bullet and took it to a shop. Took a little over a week and (i dont remember for sure) but somewhere around $400 total. Seems to be in good shape now and glad its done thanks again for replying

Posted By: Sugarmaker
Date Posted: 22 Apr 2021 at 7:00am

Adam,

You did good! Thanks for the update too.

Post a picture of the forklift in action.

Regards,

Chris

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D17 1958 (NFE), WD45 1954 (NFE), WD 1952 (NFE), WD 1950 (WFE), Allis F-40 forklift, Allis CA, Allis D14, Ford Jubilee, Many IH Cub Cadets, 32 Ford Dump, 65 Comet.