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WD lubrication question

D

Dodgeit

Member
I have a '49 WD that does not have a Hyd. pump or a PTO. Do I need to put oil in the cavity with a dip stick. If so what kind and is 6 qts right?

Thanks
 

The only reason to keep oil in the Hydraulic oil compartment would be to lube the front seal and since yours has no Hydraulics, it may not even have a seal in the front..

Will not be necessary to put oil in there on yours..

Ron.
 
Without the PTO, the interconnected reservoirs for differential, transmission and wet hand clutch takes 17 quarts of 80W90, or a universal oil if you prefer and your seals can retain it.

The parts diagram for the early WD's shows a center bearing on the engine clutch shaft that is seated between the rear hydraulic chamber where the pump would be actuated and the front chamber where the drive gear for the belt pulley is located. I believe that you need oil in the hydraulic chamber to lubricate this bearing. Recommended is 10W non-detergent of winter or 20W non-detergent for summer; or a universal of your choice.

If you want to look into this chamber, you can drive the right rear tire up on blocks to elevate that side and pull the delete plate for hydraulic pump or belt pulley off. However, you will likely have to replace a gasket afterward. There is also an inspection plate under the starter. You may have to remove the starter to access all of the capscrews, but that area is typically covered in oil and dirt anyway, so clean it up before removing the cover. You can see if there is evidence of original oil.
 
14019.jpg
 
(quoted from post at 14:49:43 12/16/14)
Good point, but that uses Transmission oil..

Ron.
Click to expand...

The reason I need to know is I pulled the PTO off the tractor to lighten it for pulling. I appreciate all the replies, but I'm still confused If I need oil in there or not. Oil came out when I pulled the PTO housing off.
 

The PTO is lubed by the Transmission oil, the Hydraulic compartment can be empty if there is no hydraulic pump..

Ron.
 
Thanks to Matt in MN, here is a pic of the aft end of the engine clutch shaft with the wet clutch coupling flange and PTO drive gear removed. You can see the spined end of the shaft.

Everything that you can see gets covered in 80W90, which is oil for the PTO, wet clutch, transmission and differential. Everything forward gets light oil, including the hydraulic pump & center bearing showed in the first pic.

In front of that splined shaft is a seal to separate the heavy from light oil, unless you use a universal oil.

That exposed spline is also where you put the coupling sleeve if you get rid of the wet clutch.
14035.jpg
 
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