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I am without a working computer so I'm doing everything through my phone which isn't working well. I have tried multiple times to download the MF10-12 service manual and my phone is not downloading it. Now the site says the ve reached my max downloads for the day. Can someone please download this manual and email it to me so I can access it.

I have a MF10 with the Kohler Magnum engine. I've drained the hydraulic fluid using both the 11/16 or 15/16 (don't recall) plug on the bottom of the rectangular pan, and by removing the smaller plug from the base of theaxle housing. Now that it's empty, how do I fill it and where is the sight plug? Is the sight plug the large internal hey that resembles a large set screw on the front and just above the rectangular pan? I have seen posts stating that the fill location is under the seat. I've removed the internal hey and filled through this location, however the fluid never reaches the plug I removed or the rectangular pan. The same fluid drained from both locations.

Sorry for the rotated pictures, just another thing I am unable to resolve through my "smart" phone...

I've attached pictures of the various plugs and fill location. What am I missing? Any help is greatly appreciated.

Please help. Thank you!
 

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Freedom is not Free. Thank those in uniform for yo
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I doubt your phone will be able to handle the DL in email if it couldn't do a straight DL. Someone who is familar with the MF10 should be along before long to help you out. By the way welcome to GTtalk.
 

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Proud to be Deplorable
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Well, you have me a bit flummoxed.
They never made a 10 with a hydro so far as I know. Also, the only Kohler powered 10's I am aware of are repowered units. They all came with a Tecumseh from the factory.
The normal fill location is under the seat and my only 12 with a hydro has an overflow tank under the seat with a line on it for level.

Maybe a little more info on the unit? Do you have any pics of the complete unit?
 

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Is it a hydro or geared MF 10?? Would not be a Kohler engine from what I know. Noel.

I don't recognize the rear differential.
 

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Discussion Starter · #5 ·
Oh boy... This should be interesting. It has a Kohler Magnum 10 hp motor and it also has a hydrostatic transmission.
 

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Fixer of Broken junk
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I know that transaxle lol.Looks ALMOST the same as one in the old 1960s Jacobson and Ford hydro.

If it IS the same rear then They take gear oil in the Diff and Dexron III in the Hydro.

We need Pics of the Whole Tractor Please :camera: Alot more Pics lol We love Pics anyway.

This is 1960s Jacobson/Ford hydro rear.

Font Parallel Engineering Auto part Drawing Font Material property Parallel Number Screenshot

Could yours be an MF12H? The transaxles are almost identical.

Someone may have swapped out the original Tecumseh engine.The Kohler is a MUCH better engine.
 

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Tractorholic
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That is a MF12 Hydro (not a MF10) and the engine was changed at some point. If you look at your second picture you will see a bent small diameter tube, that is the dip stick for the hydro part of the trans axle, that takes Dextron III trans fluid, The geared part of the trans axle uses SAE 80/90 gear oil.
 

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Fixer of Broken junk
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Thanks Chris I thought it looked familiar.

Same trans and pump in The 1960s Jacobsen 1200/1450 Super Chief and 1960s Ford 120/140.
 

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Things are starting to come together. This would help explain why they cut the side of the grill to fit a black pipe exhaust to the Kohler engine. When I ordered the parts and rebuild the carburetor the engine sticker indicated it was a 10hp Kohler Magnum engine. The block casting is for a 12 hp. Research indicated that they build a number of 10 hp engines with the stronger 12 HP, castings due to a shortage. Attached are additional pictures. I really appreciate everyone's help figuring this out. Sure makes a simple fluid change a bit more work. Apparently this a Frankenmassey...

Things are starting to make more sense. Initially it appeared that the same fluid was put in both the differential and the Trans, but they were probably just similar in appearance. I picked up some Mystic 80W-90 gear oil and it's the same color as the ATF.

Now I just need the fill location for each and how to check the levels. Is this correct: (1) Transmission takes Dextron ATF, the fill location is the plug on the left side under the seat, and the dipstick is on the left side and is a screw in, and (2) Transaxle uses 80W-90 and fill location is behind the hitch plate and sight plugs the internal hex plug on the front as previously pictured. Is this all correct? Thanks again!
 

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Discussion Starter · #15 ·
I finally got it sorted out. It seems to be running well now. I initially put too much transmission fluid in. I was using a pump and it shot out the end of the dipstick, oops. So I drained some off. Then it would barely drive. Turns out I had the free wheel knob 180 degrees out. Once I figured that out I was in business. Thanks for everyone's help. I'm sure I'll be back.
 
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