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Garden Tractors Discussion Forum

Tecumseh replacement engine

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tj in ky

12-23-2020 08:12:27




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I have a Craftsman Chipper/Vac that has a Tecumseh engine on it. the only numbers I could find are 143.944004 32510, it is tagged as a Craftsman Eager 1 motor 4 HP. It has a 1" shaft 2 " projection from the bottom with a " key 2 " long. Everything I am finding in that HP range is ⅞" or 25mm and longer shaft projection. Does anyone know where I could get a replacement for this Chipper/Vac

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wore out

01-19-2021 20:44:57




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 Re: Tecumseh replacement engine in reply to tj in ky, 12-23-2020 08:12:27  
Quoting Removed, click Modern View to see

You are an "outlier" with that comment, tell us more about your bad experience,if you would!



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tractorguy2

12-27-2020 08:56:12




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 Re: Tecumseh replacement engine in reply to tj in ky, 12-23-2020 08:12:27  
Welcome to the world of Craftsman were everything is an odd size and nothing interchanges! Dad was a Snapper dealer for years and would not touch or trade a Craftsman.

If you can find an adapter or have a machine shop make you one is going to be about your only option. The shaft can be sawed off easy. They are about as hard as a grade five bolt. I have cut off several with just a plain hack saw.

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Tramway Guy

12-24-2020 21:24:37




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 Re: Tecumseh replacement engine in reply to tj in ky, 12-23-2020 08:12:27  
Is the chipper belt drive or direct engine mount?



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tj in ky

12-25-2020 07:05:14




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 Re: Tecumseh replacement engine in reply to Tramway Guy, 12-24-2020 21:24:37  
It is a direct drive.



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Barts Dad

12-24-2020 09:03:52




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 Re: Tecumseh replacement engine in reply to tj in ky, 12-23-2020 08:12:27  
Northern Tool is a good source for replacement engines also.



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t.r.k.

12-23-2020 17:18:04




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 Re: Tecumseh replacement engine in reply to tj in ky, 12-23-2020 08:12:27  
There is such a thing as a 7/8" to 1" shaft adapter. A quick search found them on Amazon and on Ebay. The key is also a 'trick' part, it is rectangle in cross section rather than a typical square key.

That said, I am guessing the chopper assembly or pulley is retained by a bolt in the end of the crank? There could be more risk of the item coming off the crankshaft since it has a sleeve inside of it. If it isn't retained by a bolt/washer in the end of the crank, it would be a good idea to secure it and the adapter to the crank with green loctite-sleeve and bearing formula. Just be aware that when you have to remove it again, you will have to heat the assembly to break the loctite bond.

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tj in ky

12-25-2020 07:04:24




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 Re: Tecumseh replacement engine in reply to t.r.k., 12-23-2020 17:18:04  
Thanks for the information on the shaft adaptors. I did not know they were readily available. It is held on by a bolt in bottom of shaft as it is a direct drive, impeller bolted to shaft.



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tj in ky

12-23-2020 16:41:29




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 Re: Tecumseh replacement engine in reply to tj in ky, 12-23-2020 08:12:27  
I looked at Harbor Freight, the shaft is only ⅞ and I need 1" dia. I don't know if a bushing could be made with a key slot, would be awful thin. Shaft length is too long, but I could fab a spacer and make that work. I will try Small Engine Whse tomorrow. Thanks to all.



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kencombs

12-25-2020 07:35:52




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 Re: Tecumseh replacement engine in reply to tj in ky, 12-23-2020 16:41:29  
If the shaft is too long, they are easy to cut. Of course the bolt hole may need to be drilled and tapped deeper, but that should be easier than fabbing a spacer. That and an adapter sleeve with the special key should open up a lot of options.



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MNGB

12-23-2020 14:15:43




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 Re: Tecumseh replacement engine in reply to tj in ky, 12-23-2020 08:12:27  
I 2x the HF Predator engine it will be ideal for that

GB in MN



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Mark-IA

12-23-2020 13:04:06




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 Re: Tecumseh replacement engine in reply to tj in ky, 12-23-2020 08:12:27  
Go to Harbor Freight and get a Predator Engine.



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J Hamilton

12-23-2020 12:21:57




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 Re: Tecumseh replacement engine in reply to tj in ky, 12-23-2020 08:12:27  
Try small engine warehouse (800)-321-6725 I've ordered many engines from them



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Don B.

01-19-2021 18:57:11




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 Re: Tecumseh replacement engine in reply to J Hamilton, 12-23-2020 12:21:57  
screw the predator idea. wouldnt take one even for free.



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