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  #1  
Old 01-25-2010, 07:19 PM
grisham866 grisham866 is offline
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Walker 20 hp engine swap?

Ive got a 1996 walker mtghs 20hp kohler that has broken connecting rod. Ive found 2 older mowers one is 95 and one 93 both have a different style 20hp kohler. Looks like they are completely backwards (gas tank, muffler). Crankshaft on mine comes out flywheel side and theres are on the opposite. Just wondering if anyone knows if the motors will work on mine?
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Old 01-26-2010, 04:51 PM
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Lawdog302 Lawdog302 is offline
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You can physically get the motor in there and hooked up. You will have to cut the crankshaft off and may have to change a few minor things around like fuel pump, air cleaner, and flywheel mounted pulley. Unless the older mowers are just junk and not worth fixing, I would put a 23hp in there instead.
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Old 01-28-2010, 12:01 PM
topsites topsites is offline
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I wouldn't chance trying to fit one of them other 20hp's unless you've got a lot
of time and you don't have to put out any money upfront for it.

Best thing to do would be to start cross-referencing, it's a process that takes a
bit of patience as most manufacturers won't list it out for you but you have to
do all of the work...
Start by getting model number, and specifications.
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Old 04-28-2014, 07:43 PM
grisham866 grisham866 is offline
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No engine model number

The engine that is in the 96 mower I have has obviously been replaced in the past. The silver kohler specs sticker says meets 2004 engine requirements but the actual engine model number has been rubbed off. No way to make it out think one of the hoses rubbed it off. It does say 624cc. I have no way of ordering a shortblock to replace it. There are virtually no helpful pictures that show the different model numbers. Just wondering if anyone on here could help me out.

Thanks
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  #5  
Old 04-28-2014, 07:50 PM
herler herler is offline
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Here's the best I've found so far:

http://www.smallenginewarehouse.com/...TGHS-Category/

I am curious, have you tried shining a light at the decal from various angles?
How about a magnifying glass?
Sometimes you can still make out a little bit of something...

Last edited by herler; 04-28-2014 at 07:57 PM.
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Old 04-28-2014, 09:23 PM
grisham866 grisham866 is offline
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Yes ive tried everything no way to make it out. Ive looked at that page over and over just no way to be sure. Ive pulled up the year model breakdown and it doesn't look like the motor that came out on it. Looks like the newer ones has no shaft on ignition switch side. A shaft bolts to the flywheel and comes thru the screen with a pulley on it. It has the fuel pump that's run by the rocker arms on top of valve cover. I may go to walker dealer tomorrow to see if they will help
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Old 04-28-2014, 09:24 PM
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Restrorob Restrorob is offline
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Quote:
Originally Posted by grisham866 View Post
It does say 624cc.

624cc would be 20 hp, If you have the same model Walker as in this thread it should be a CH20 stub pto shaft engine with a adapter shaft on the flywheel......

If this is so you can order shortblock part# 24 522 387 which has the stub shaft as well...... Walker is the only company I've heard of using a stub shaft engine in a mower......
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Old 04-28-2014, 09:59 PM
grisham866 grisham866 is offline
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Thanks so much restrorob I think that one will work for sure. Looks like the engine model is gona be a ch640-3111. Is the lowest price for short block going to be mchenry equipment? Theyre the cheapest I found on the net
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Old 04-29-2014, 06:44 AM
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Restrorob Restrorob is offline
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Here's a list of engines that this shortblock will work on, As for price...... You'll just have to search.....
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You never learn anything until you admit you don't know it all...

"Why go out preserved when you can go out beat up, worn out, sliding in sideways screaming, Holy Sh!t What A Ride" !!!
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