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roughstock 
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Joined: 16 Jan 2010
Location: Michigan
Points: 690
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 Topic: WD hydraulic fluid
Posted: 19 Jan 2010 at 5:26pm |
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I was told that my WD requires a special hydraulic fluid due to the pump type. I was wondering if this was the case and what type of fluid I need. If it is an unusual type, where might I find it? I checked my level today and I am way to low.
Thanks in advance.
Brian
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orangereborn
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Joined: 12 Sep 2009
Location: NW WI
Points: 1450
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Posted: 19 Jan 2010 at 5:36pm |
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Brian....Non Detergent straight weight. I generally have used 20 year around. If I need to add in the winter, I add #10 and #30 in the summer. # 20 seems to be harder to get in some areas. I think some are even using universal hyd....Dale
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Gary in da UP
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Joined: 13 Sep 2009
Location: EUP of Mi.
Points: 1885
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Posted: 19 Jan 2010 at 5:42pm |
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If its way low and you don't know whats in it now, don't add to it , drain and refill . The operators manuall calls for SAE20 above 45 or SAE 10 below 45 degrees. Capacity is checked with the rams extended. I would use a good quality Hy-Tran fluid .You do have an operators manual?, don't you?
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I started out years ago with nothing.... after this divorce , I'll be getting most of it back.........
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roughstock
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Joined: 16 Jan 2010
Location: Michigan
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Posted: 19 Jan 2010 at 5:52pm |
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No I don't have an operators manual. I was given a service manual but I was unable to find the fluid type.
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CTuckerNWIL
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Joined: 11 Sep 2009
Location: NW Illinois
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Posted: 19 Jan 2010 at 5:56pm |
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I would agree with Gary, drain it and fill with hytran fluid. It is much more available and much better oil than the straight weight oil recommended 50 years ago. Any Farm store should have it and I think Walmart even has it.
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CTuckerNWIL
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Posted: 19 Jan 2010 at 6:01pm |
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ooopps
Edited by CTuckerNWIL - 09 Feb 2010 at 2:02pm
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roughstock
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Joined: 16 Jan 2010
Location: Michigan
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Posted: 19 Jan 2010 at 6:38pm |
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Thanks for the info. I'll get draining tomorrow.
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RickUP
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Joined: 12 Sep 2009
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Posted: 19 Jan 2010 at 7:19pm |
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There should be a 1/8" pipe plug on the bottom of the pump. Drain that too just to insure any water or condesation gets out of there.
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Gary in da UP
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Joined: 13 Sep 2009
Location: EUP of Mi.
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Posted: 19 Jan 2010 at 7:27pm |
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Good point , Rick, I forgot that. Roughstock, if you go to the top of the main page and click on Allis store , the dude that owns this site will sell you all the manuals you need for a small fee, it helps him keep the site going. Gary
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I started out years ago with nothing.... after this divorce , I'll be getting most of it back.........
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KC/WD
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Joined: 03 Nov 2009
Location: Kansas City
Points: 81
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Posted: 19 Jan 2010 at 7:46pm |
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I use a universal hydraulic fluid from Wal-Mart in my WD. Works well, inexpensive and convenient. Been using it now for 3yrs, and this year was my first year to use the WD for pushing snow, we're talking about single digit temps and no problems with my hydraulics at all. I was so impressed and proud!! Good luck Roughstock, and I also purchase a manual from this forum that is very helpful along with all these wonderful people providing advicel.
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dpage02
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Joined: 15 Sep 2009
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Posted: 09 Feb 2010 at 11:55am |
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Now I'm confused. The last post said hytran in the rearend. I have drain plug under the gear shift (with a fill plug on the side). I put gear lube there. there is another plug under the rear axle (but no apparent fill point). Is that all gear lube?
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Brian Jasper co. Ia
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Posted: 09 Feb 2010 at 1:11pm |
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The trans and the hand clutch/hydraulics are separate. The trans takes 80-90W. The hydraulics gets the hy-tran.
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"Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford
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dpage02
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Joined: 15 Sep 2009
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Posted: 09 Feb 2010 at 1:30pm |
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What is the purpose of the 2 drain plugs--one in the axle and one for the tranmission, but only one fill point ( below the gearshift). Do they have the same reservoir but separate drains?
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TomMN
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Joined: 13 Sep 2009
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Posted: 09 Feb 2010 at 1:51pm |
Here looking in from the rear with rear end out, you can see the reason for needing two drain plugs but only one fill hole. The full level is well above the pass through holes, but to fully drain there needs to be a drain on either side of the wall. Tom 
Edited by TomMN - 09 Feb 2010 at 1:53pm
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CTuckerNWIL
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Location: NW Illinois
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Posted: 09 Feb 2010 at 1:57pm |
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The differential and the transmission are 2 different castings. If you only drain the differential you will have old junk still in the transmission that will be mixed up with your new fluids. You don't need 2 fill holes cause the fluid will run to the differential. That is part of the reason I drained everything and fill everything with hytran fluid. Hytran has worked well in my diff. since 1983 with no problems.
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Bill Long
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Joined: 12 Sep 2009
Location: Bel Air, MD
Points: 4556
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Posted: 09 Feb 2010 at 4:16pm |
Roughstock, When we sold them we used SAE 20 non-detergent oil. Worked fine. That said I have heard good reports of the "state of the art" hytran fluid. I did see some 20W at Tractor Supply Company.
Good Luck!
Bill Long
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