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  #1  
Old 12-04-2020, 07:43 PM
Hs1022c Hs1022c is offline
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Join Date: Nov 2020
Location: Nebraska
Posts: 1
Question CH18 vs CH18s

Hello
I recently purchased a Cub Cadet 1863 Model 144-664-100 Serial 854163
The engine is a Kohler Command 18hp CH18s Spec. 62588 Serial 3330412011

This was a Auction purchase, the tractor sat in a barn for a long time. It had been partially disassembled when I got it. It need a grill (broken), hood and fenders are just worn and very dirty. I put a new battery in the tractor and checked fluids then tried to turn the engine over. To my delight it turn over sounding great! It has a fuel problem though. So I ordered a cheap fuel pump with the valve cover already on it, I thought that would cure everything. It ran, just really rough. So I decided to rebuild the carb and run new fuel lines from the tank. I also drained the tank to get all old fuel out.
Here is my problem: Local small engine Cub Cadet dealer has the CH18S carb kit ( gasket, a couple of bolts and maybe 2 jet? ) for $110!!!! Not a carb but a carb kit! So checking online I found several that look just like that but the are for a CH18 not my CH18s. Does this make a difference? The kits look very similar and the online kit is $12 compared to $110 locally! I hate buying non factory stuff but WOW!
So I am very new to this and would love any opinions on what I should do!
Thanks in advance!
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  #2  
Old 12-04-2020, 08:10 PM
R Bedell R Bedell is offline
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Location: Michigan
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First, welcome to OCC.......

The CH18S means the engine has Electric Start.

The correct Carb Repair Kit for the CH18S-62588 is.... 24 757 03-S (24-757-03-S or 2475703S)
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Old 12-04-2020, 09:18 PM
Mike McKown Mike McKown is offline
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Join Date: Jul 2012
Location: Indiana
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You can do what you want, but........................

I've had a number of CH 18 carbs apart, cleaned them and put them back together with good results using all the original parts.

Two things to look closely at. The slow jet has a habit of filling up with dried gasoline and will cause a rough or no idle. Probe all the holes and passages with a wire and blow them out. The second thing is more obvious and that's the fuel shut off solenoid. Sometimes they stick shut or partially shut and cause running problems. But that's easy to see. Just clean them and put them back in.
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Cub Cadet is a premium line of outdoor power equipment, established in 1961 as part of International Harvester. During the 1960s, IH initiated an entirely new line of lawn and garden equipment aimed at the owners rural homes with large yards and private gardens. There were a wide variety of Cub Cadet branded and after-market attachments available; including mowers, blades, snow blowers, front loaders, plows, carts, etc. Cub Cadet advertising at that time harped on their thorough testing by "boys - acknowledged by many as the world's worst destructive force!". Cub Cadets became known for their dependability and rugged construction.

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