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Case Tractors Discussion Forum
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Case W3 Tranny Oil Change

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Ed Maresh

12-13-2006 03:54:04




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I just bought a W3 backhoe with what I think is a Case-o-Matic with shuttle and would like to change the tranny fluid, but I'm having some problems when refilling. There are 3 fill plugs. One is for the rear end which isn't an issue. The other 2 are causing some confusion. The first is located on the transmission just under the rear of the engine. The 2nd is further back next to the tranny fluid dipstick. There is a drain plug at the bottom of the tranny just under each fill plug. When I add fluid through the front fill plug it comes out the front drain plug and same with the rear. Finally to my question. If I add fluid to either of these fill plugs will it flow into the other? If they don't which one does the dipstick check and how do I tell how much is in the other compartment? Any help is greatly appreciated.

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iluvcase

12-29-2006 20:23:19




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 Re: Case W3 Tranny Oil Change in reply to Ed Maresh, 12-13-2006 03:54:04  
The W-3's tranny takes 16 quarts of S.A.E.10-W above 0 deg. F. and S.A.E. 5W below 0 deg. F according to the book.I usually use the same oil in the tranny and hyd. system. I get it at the Case dealer. It saves alot of screwing around. There are two 1/2 inch pipe plugs to extract from the torque converter housing and the dual range housing. Above these two plugs are two 1/4 inch plugs that will need to be taken out to completely drain the whole system. You need a 3/16 inch allen wrench for these plugs. Be care ful not to lose either of these plugs off the end of the allen wrench when extracting them from the holes in the bottom of the torque tube.You will need someone to turn over the engine slowly by hand while you observe the lining up of the plug in the front drain hole of the torque converter housing.You should get an owner's/operator's manual from your local Case dealer if you can still get one. The part# is 9-952. This manual will help you a great deal...many pictures;etc.The tractor is basically a 530 Case-o-matic industrial model. They were made from 1960-1963. I hope this helps you out. I have an early model without the backhoe. It has been one tough unit.

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Ed Maresh

12-13-2006 14:39:11




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 Re: Case W3 Tranny Oil Change in reply to Ed Maresh, 12-13-2006 03:54:04  
I am having trouble getting filters for this tractor. There are very few listings for W3 does anyone know what standard model this is equivalent too? I heard it was the same as a 530 but I also heard 630. Thanks for the help.



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tom stanley

12-20-2006 10:04:44




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 Re: Case W3 Tranny Oil Change in reply to Ed Maresh, 12-13-2006 14:39:11  
Ihave a new servise manual for a W-3 i ordered by mistake i would sell think it was around $90.00 e-mail me or can call at 3076807590 it is a case manual tom



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