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Extending a Kohler K series crankshaft


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#1 James Bosma OFFLINE  

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Posted December 31, 2017 - 09:08 AM

I have a real nice K321, but it is a short crankshaft

Has anyone made a adapter to extend the crankshaft in order to use a electric clutch in order to power a snowblower attachment

I do have use for the short shaft engine without the clutch, I can put it in my ploughing tractor with 3 pt. hitch

 

This would only be temporary till the other K321 I am getting rebuilt comes back

Dropping it off on Jan 2 2018 at the machine shop for measuring, boring, etc. not sure how long it will be gone for.

One guy I know has a good small engine machine shop in his garage, he's retired, along with the other 2 guys there, think it will be around $500 to $600 CAD to machine the block, parts and assembly.

Take him a box of unassembled K321, get it back in one piece and running.

Might better have a good working engine in the work tractor 

 


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#2 DH1 OFFLINE  

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Posted December 31, 2017 - 09:19 AM

Sounds like a good guy to know.


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#3 poncho62 ONLINE  

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Posted December 31, 2017 - 09:28 AM

My "K" engines in my Jacobsen Fords have the extended crank....It is a solid part of the crank at that end of the engine. The flywheel end has a bolt on piece to drive the tractor. I cannot see how you could bolt on any sort of adapter to the front end. I think it would be easier to adapt something at the flywheel end or find a crank (engine) with the longer crankshaft 

 

My stuff 011.jpg


Edited by poncho62, December 31, 2017 - 09:31 AM.

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#4 James Bosma OFFLINE  

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Posted December 31, 2017 - 09:58 AM

Sorry should of mentioned the flywheel drives hydrostat, Its a Massey MF 14

 

Briggs offered one but its around 1 " in diameter

 

Briggs & Stratton # 691779 EXTENSION-CRANKSHAFT

 

691779.jpg

 

Just some thoughts on this cold winter day

 

-23 Celsius around 10 below F

-31 Celsius wind-chill around 24 below F

 

Too cold to go outside and can't heat shop in this weather

 

 

 


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#5 KennyP ONLINE  

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Posted December 31, 2017 - 10:03 AM

I have an M16 with just a little stub sticking out. Sweet running engine, though.

DSCN1915.JPG

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#6 James Bosma OFFLINE  

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Posted December 31, 2017 - 10:20 AM

I have an M16 with just a little stub sticking out. Sweet running engine, though.

 

 

I might be able to get a Kohler K341 like that, might get it if he still has it

Used on a Zero turn I gather

 

The one on mine is about 2 inches long from back of block, 

sorry, no picture


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#7 KennyP ONLINE  

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Posted December 31, 2017 - 10:41 AM

 

I might be able to get a Kohler K341 like that, might get it if he still has it

Used on a Zero turn I gather

 

The one on mine is about 2 inches long from back of block, 

sorry, no picture

 

I'm pretty sure that's where it came from.



#8 KC9KAS OFFLINE  

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Posted December 31, 2017 - 10:57 AM

I have an M16 with just a little stub sticking out. Sweet running engine, though.

That may be a little too short for an extension! Looks like a crank replacement is in order!


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#9 KennyP ONLINE  

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Posted December 31, 2017 - 11:18 AM

That may be a little too short for an extension! Looks like a crank replacement is in order!

Yeah, that's what I was thinking! I have a plan for it that won't need a shaft there! Just gotta get warmer so I can start figuring it all out!


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#10 dodge trucker ONLINE  

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Posted December 31, 2017 - 01:09 PM

I have an M16 with just a little stub sticking out. Sweet running engine, though.

If that were me I'd be looking for a crank to swap into that long block, that would be compatible with one of my machines. wouldn't be the1st crank swap I'd done to be able to make an engine work for my application.


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