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check out my mf14 conversion from a k321s to a kohler ch18s


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#1 chad zehr OFFLINE  

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Posted December 27, 2011 - 11:53 PM

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Thaught you might like to check out my engine swap that I decided to undertake on my mf14. I removed the fully restored k321s and replaced it with a lightly used kohler ch18s. The reason why I chose this engine is because kohler makes great engines and it made the swap much easier. The flywheel never changed mounting flange demensions over the years so the driveshaft mounted directly to the flywheel with no centering problems and the pto electric clutch mounting holes also never changed so all the difficult engineering didnt need to be done. The hardest part was designing the exhaust to fit under the factory hood which was a tight fit but came out nice and quiet. Other than that I had to move the fuel tank back approx. two inches, remove some material from the steering bellcrank so that it wouldnt contact the front of the engine while steering, clearance the grille to make room for the oil filter, then just wire it to the existing harness and start it up. She runs like a top and is incredibly smooth and makes the hydro work smoother also.

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#2 MH81 ONLINE  

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Posted December 27, 2011 - 11:57 PM

Nice 14 with a nice transplant. Glad it went easy for you, thanks for sharing the pics.

#3 ducky OFFLINE  

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Posted December 28, 2011 - 12:04 AM

Chad, Welcome to GTTalk.
That will be one tough MF 14. I take it that the front PTO all lines up as well?

#4 DH1 OFFLINE  

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Posted December 28, 2011 - 12:07 AM

Nice 14 with a nice transplant. Glad it went easy for you, thanks for sharing the pics.


:ditto: Yes Good Stuff.

#5 tinner OFFLINE  

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Posted December 28, 2011 - 01:19 AM

That's a really nice engine swap. The twins do run smoother not to mention the extra extra power. Good job. Thanks for sharing pictures.

#6 KennyP ONLINE  

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Posted December 28, 2011 - 05:29 AM

More power, WooHoo! Tim Taylor will be very proud of you! Ought to perk up that tractor a bit. Good luck with it!

#7 Alc ONLINE  

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Posted December 28, 2011 - 06:22 AM

Thanks for posting the pics . That's a really nice swap you did , Al

#8 IamSherwood OFFLINE  

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Posted December 28, 2011 - 07:03 AM

Welcome to GTT:wave:

Nice job.
That'll be one nice working girl.
That's awesome how the PTO, and drive shaft just fit where they shud be.

#9 JDBrian OFFLINE  

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Posted December 28, 2011 - 07:09 AM

Thanks for the pics. The info you provided about the advantages of using these Kohler engines is very useful to others who want to re power. Looks like it is a tight fit but will surely be a big improvement for PTO work like mowing or snow blowing. Nice job. Thanks again.

#10 HowardsMF155 OFFLINE  

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Posted December 28, 2011 - 07:29 AM

Nice info to have about the kohlers. Good job with the re-power too.

#11 chad zehr OFFLINE  

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Posted December 28, 2011 - 08:43 PM

I appreciate all the fantastic replies. The pto lined up fine the engine is exactly 5/8" farther forward than the original but the belt alignment is still great. The crankshaft is now centered in the chassis rather than offset to the right side of the tractor with the k series. This was a great swap and nothing was altered on the machine that cant be reversed to restore to original. if anyone has any questions feel free to ask! Ill post more pics when the beast is finally restored.

#12 Toolpartzman OFFLINE  

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Posted January 08, 2012 - 03:51 PM

Very helpful Chad and a nice fit. I've found a CH 12.5HP in a newer model salvaged Cub and I'm considering it for my MF12H. It would pose slightly different issues, as
its gonna sit sideways, but I'm pleased to hear how smooth and quite yours is.

#13 chad zehr OFFLINE  

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Posted January 08, 2012 - 10:06 PM

I definently think that you wouldnt be dissapointed with the swap. I love my k series kohler but the ch18s is soo much smoother a quieter than the original. The hydro responds much better with the new engine. If you decide to undergo the project please post pics and keep us updated.

#14 cookiemonster OFFLINE  

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Posted January 08, 2012 - 10:30 PM

Excellent. Love it!

#15 mjodrey OFFLINE  

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Posted January 09, 2012 - 05:15 AM

Chad,welcome to the forum.Glad to have you with us.
That looks great.




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