Using hydraulic/trans oil in D14 transmission
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Category: Allis Chalmers
Forum Name: Farm Equipment
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URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=30567
Printed Date: 14 Oct 2025 at 1:30am
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Topic: Using hydraulic/trans oil in D14 transmission
Posted By: jtheise4
Subject: Using hydraulic/trans oil in D14 transmission
Date Posted: 11 May 2011 at 7:20am
| Hello everyone. I've done several searches and it sounds like its perfectly fine to use hydraulic/transmission oil in the transmission on a D14, even though the manual states to use 80W oil. I stopped into my local AGCO dealer yesterday to pick up some Permatran 821 for the power director and hydraulic pump. I didn't even see any 80W90 gear oil in the shop. I wanted to talk to the owner, but he was way to busy helping real farmers out, so I didn't want to take up his time. My question is, are there any advantages/disadvantages to using hydraulic/transmission oil in the transmission as opposed to using 80W90 gear oil? It would certainly be easier for me to just have to keep one fluid at the house for topping off/changing fluids, but at the same time, I don't want to damage anything just to make things easier on me. Thank you for your help. |
Replies:
Posted By: jaybmiller
Date Posted: 11 May 2011 at 7:31am
|
I've run 'universal hydraulic/transmission oil' in both my D-14s for years, no problems.
Easy to remember what goes where ! Engine oil in the engine, finals(bull drives) almost never need anything(unless they leak) , everything 'in between' gets 'U H/T' oil !
It's best to totally drain all 3 chambers, just be sure to have an empty 5 gallon bucket BEFORE you remove the plugs !! yeah, I forgot ONCE !!
------------- 3 D-14s,A-C forklift, B-112 Kubota BX23S lil' TOOT( The Other Orange Tractor) Never burn your bridges, unless you can walk on water |
Posted By: jtheise4
Date Posted: 11 May 2011 at 7:51am
With the final drives, do they have a drain plug or do you just pull the fill plug and use an evacuator?
|
jaybmiller wrote:Posted By: Bill Deppe/AC Salvag
Date Posted: 11 May 2011 at 7:53am
| The only possible drawback is the lighter viscosity oil may allow more seepage around the older seals |
Posted By: CTuckerNWIL
Date Posted: 11 May 2011 at 8:26am
The best thing might be to remove the pans, clean out 50 years of gunk from the bottom, make a new gasket and replace them adding new gear lube. ------------- http://www.ae-ta.com" rel="nofollow - http://www.ae-ta.com Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF |