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Replacement for a Kohler K321s engine


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  #1  
Old 05-05-2010, 11:20 AM
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Default Replacement for a Kohler K321s engine

I'm looking for a replacement engine with a 1 1/8" x 3" shaft that bolts up to the bellhousing on my 14HP Economy Power king tractor. Are there adaptor plates to go from the old style mounting to the new bolt patterns? My local mower shop wants to sell me a new Kohler K321s for around $1,800 . I can get a Greyhound 13HP for around $300 from H-F but the bolt pattern is different . All I want to do is put an engine on it and not buy the store, if you know what I mean . Like relatively inexpensive..
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Old 05-05-2010, 06:34 PM
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Default Re: Replacement for a Kohler K321s engine

Paul I don't know if this info will help or not but I'm pretty sure the K181, K241, and K301 have the same bolt pattern. I just stuck a K321 in my JD 200. The 200 was made for the K181 only. You may need to change or build motor mounts to accommodate different crankcase sizes. But this gives you more options on finding a engine.

Mark:
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Old 05-05-2010, 07:11 PM
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Default Re: Replacement for a Kohler K321s engine

Paul:" Cub Cadet " Ebay Here are two, 250626585616, 230469766451, second one is complete, there are also short blocks listed (rebult) in the $600 range. This may help tom
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Old 05-05-2010, 08:17 PM
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Default Re: Replacement for a Kohler K321s engine

Paul,
I'm gathering parts right now to build another short block for my 1968 Cub Cadet 125 which has a Kohler 301A 12 hp engine.

I've found out the cranks are the same in both the 12 hp K301 and the 14 hp K321.

Jeff
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Old 05-05-2010, 08:32 PM
badboy1950 badboy1950 is offline
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Photo Re: Replacement for a Kohler K321s engine

a 16 hp K series kohler fits also.
has the 1 1/8 shaft but i had to make adjustment for the lack of a round indent where the bell housing bolts on which my original 14hp has.
if you need more info i can fill you in on the details.
Dan
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Old 05-05-2010, 11:49 PM
Lead Head Lead Head is offline
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Default Re: Replacement for a Kohler K321s engine

Just remember that the Cub Cadet Kohler blocks have a different base then non Cub Kohlers and may not bolt up properly to the tractor.
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Old 05-06-2010, 01:11 AM
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Default Re: Replacement for a Kohler K321s engine

Stay away from those "Greyhound" engines, they will wear out faster than a set of points would have on the original Kohler.
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Old 05-06-2010, 08:35 AM
K D Redd K D Redd is offline
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Default Re: Replacement for a Kohler K321s engine

Why do you not repair the K-321 you have. I just sent the block and crank from a K-301 to the machine shop to have the block sleeved back to standard bore, It was 30 over already. The crank, which was 10 under will be welded up and ground to standard size. Before anyone has a heart attack over this, this IS NOT the first time I have had this done to a K-series Kohler. Te crank repair will cost about $90.00 better than the about $300.00 for a new crank. The sleeve job will also be about $100.00. Better than what Kohler charges for a new Block Kit which does not have a crank in it.

Kent
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Old 05-07-2010, 06:12 AM
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Default Re: Replacement for a Kohler K321s engine

Kent: The crankshaft was bent, the head missing, along with a bunch of other things. When I pulled the engine off the tractor, the sump pan just fell off like someone had started to take it apart, just gave up, and put it back together with one bolt. Still looking for replacement ideas . Thanks for the responses.
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Old 05-07-2010, 08:46 AM
K D Redd K D Redd is offline
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Default Re: Replacement for a Kohler K321s engine

You can find most of the parts you need. Check EBAY. Post some pictures of your BASKETCASE so we can see what is missing. If you have a block, with some work and searching you can have a running engine and cheaper than the small engine shop you went to.

Kent
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Old 05-09-2010, 02:21 AM
yellowlister yellowlister is offline
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Default Re: Replacement for a Kohler K321s engine

there is a 321 in ohio so not to far from nj starting bid is 225 (6 days left), its a runner, also a few blocks, one the starting bid is .99
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Old 05-09-2010, 09:04 PM
K D Redd K D Redd is offline
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Default Re: Replacement for a Kohler K321s engine

Paul,

You said the crank was bent. Where is it bent at? Also one word of warning about Kohler crank. The cranks from K-series Kohler that were in JD equipment are different than other K-series crank. A JD crank will have a one inch diameter PTO instead of the 1.125 inch. But the real kicker is the tapper of the crankshaft/Flywheel interface is also different on the JD crank. Ask me how I know this little tidbit.

Kent
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Old 05-10-2010, 06:45 PM
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Default Re: Replacement for a Kohler K321s engine

It' not just the JD's that are different either. That 14 HP that I put in the JD 200 came from some thing else and had the 1 inch shaft. A Wheel Horse I just finished had a smaller then normal crank case/ oil pan. If you look on the Kohler web site I wouldn't doubt that some of their engines have 50 or more type numbers, which I think means that there must be some thing a little different about each engine.

Mark:
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Old 05-10-2010, 09:03 PM
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Default Re: Replacement for a Kohler K321s engine

I put a wanted add on Craig's list and got an almost instant hit from a guy 35 miles from me who had a good used K312s that he just took out of a Wheelhorse. I went up today to check it out and had to wait 20 minutes for him to get home (I was early ). He had put all new gaskets in it and painted it Wheelhorse Red (almost IHC red) because he was restoring the Wheelhorse it came out of, but found a 16HP one that he used instead. He had this just laying around in the garage . He connected the battery up to the "cold" engine, touched the lead to the electric starter and it fired on the first spin and was off and running like a Kohler. We ran it for a bit and it sure sounded good and didn't smoke. It was complete with the shroud, fuel pump, coil, starter, and with the 1.125 x 3.5" shaft. He said he needed $250 for it, so he got it, and I got it in my truck. Nice deal in my book and the K321s is in my back yard .
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Old 05-11-2010, 09:00 AM
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Default Re: Replacement for a Kohler K321s engine

THAT IS A DEAL!!! Glad you got it.

Kent
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Old 05-11-2010, 06:25 PM
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Default Re: Replacement for a Kohler K321s engine

Way to go Paul. I guess it pays to advertise.

Mark:
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Old 05-12-2010, 05:28 PM
badboy1950 badboy1950 is offline
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Default Re: Replacement for a Kohler K321s engine

we are all glad you got a good engine.
post some pictures of the transplant for us
Dan
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Old 05-12-2010, 11:23 PM
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Default Re: Replacement for a Kohler K321s engine

Here is another thread about the Economy Power King with pictures.

http://www.smokstak.com/forum/showthread.php?t=74469

I have a few clutch parts (pilot bearing, clip and seal) coming and then I can put it together. I have to work on the wiring, add a starter relay, a new ignition switch, voltage regulator, lights, free up the choke and throttle cable's, etc.........
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