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id tecumseh sears worth parts

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#1 1400 medfra OFFLINE  

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Posted January 28, 2018 - 02:38 PM

Hi All,

 Dropped a ex valve seat on a tec oh140 last fall. Since then I've been sniffing around here in MI looking for original parts, and found TWO Tecumseh's engines in one package.

 

 #1 Model# M3..640022 with,serial # 4129E.

 

 #2 has all the tin missing so I have no  numbers.

 

#1 has a dropped ex valve seat and has spark 

#2 Has good heads (?) but no spark and also no tin so no serial numbers to trace.

 

   He claims he pulled them from two sears suburbans years ago.

 

My question(s) 

  #1 The owner will not bargain.... He is at 200.00 FIRM for both  . Are these worth the money? 

  #2 Will this engine block configuration EASILY bolt into a medium frame 1400G (1463) year 1983/85

  #3 Can any body id the model and ser numbers or send me to a reference guide?

  

   Thanks in advance

    1400 medfra


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#2 GardnMastr OFFLINE  

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Posted January 28, 2018 - 02:48 PM

If a large cast iron Tecumseh engine were setting on a workbench, and I wanted to know the horsepower, with the blower housing or flywheel pointed straight at me, I would look to the lower left, on the block, and it is stamped or cast there. Most always. 90% of the time, your mileage may vary, exclusions apply.
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#3 Bolens 1000 ONLINE  

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Posted January 28, 2018 - 03:23 PM

Is all thats wrong with your original motor a dropped seat?

I think you bought some rebuild parts from me last fall correct? I take it it didnt go well??


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#4 Vrdaddy OFFLINE  

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Posted January 28, 2018 - 03:33 PM

Can you get pictures of the engine(s) with the s/n tag and post them?

#5 EricFromPa ONLINE  

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Posted January 28, 2018 - 09:34 PM

Hard to ID those without tins. It's either a OH120,OH140 or OH160.  Not many 12hp OHV OH120s out there though so I'm betting they are either 14 or 16hp. The OH120 was used for 1 year on the Sears ST12.

 

The outside of the blocks are identical but the cylinder bores are different.

 

OH120 has a very small 3-1/8" Bore

OH140 has a 3-5/16" Cylinder Bore  Same bore as the Flathead 10hp HH100

OH160 has a 3-1/2" Cylinder Bore   Same bore as the Flathead 12hp HH120

 

$200 isn't bad for all the parts especially if there are any Carburetors. Those carbs are hard to find used and usually very expensive. (up around $200-$250 for a used but usable carb) Those solid state Ignition modules are pricey and good to have a spare on hand if you plan on keeping your tractor.

 

 

As far as bolt in? They should bolt rite in. Measure the PTO end of your crank. Those engines usually have a 1 inch or 1 1/8 diameter crank. Once you figure out which you need, contact him and ask him to measure the crankshaft. I would not buy them unless your 100% sure the cranks are the same size.


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#6 dodge trucker ONLINE  

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Posted January 28, 2018 - 09:55 PM

that model number isn't "M3", it's "143....."


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#7 1400 medfra OFFLINE  

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Posted January 29, 2018 - 09:32 AM

If a large cast iron Tecumseh engine were setting on a workbench, and I wanted to know the horsepower, with the blower housing or flywheel pointed straight at me, I would look to the lower left, on the block, and it is stamped or cast there. Most always. 90% of the time, your mileage may vary, exclusions apply.

Thanks G.M.

  I'll try that method if, and when I go to look at them. 

 

  PS. depending on which truck I take.........My mileage vary..lol.



#8 1400 medfra OFFLINE  

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Posted January 31, 2018 - 09:28 AM

Can you get pictures of the engine(s) with the s/n tag and post them?

 Nope, can't get pics. The engine with the dropped seat and it still has its tin   MODEL# 143   640022...SER# 4129E

 

   The other engine's tin is missing--- consequently--- no model or serial number is available.


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#9 1400 medfra OFFLINE  

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Posted January 31, 2018 - 09:31 AM

that model number isn't "M3", it's "143....."

 Thanks, you're right. 



#10 1400 medfra OFFLINE  

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Posted January 31, 2018 - 11:00 AM

Is all thats wrong with your original motor a dropped seat?

I think you bought some rebuild parts from me last fall correct? I take it it didnt go well??

So far that's all I've found and yup, I bought a  head gasket, "O" ring kit and a valve spring tool, but by the time I found a used head in good condition and reconditioned it, the good weather was gone and the intemperature nose dived, I'm storing/working on  the tractor in an unheated uninsulated garage. I'll be back working on it full time when the weather breaks.

         BTW on another note. Lemme know whatcha think about the following!

  My more experienced tractor neighbors know that I'll be using this Bolens to till the garden (16'X28') in the spring and fall then change implements and blow snow in the winter(I have both implements in working cond.) they feel that I'd be better off with more hp.  Some have also mentioned that if the back fire was at high rpm, I might have done damage to parts of the SS ignition system. So I figure if I can get two higher hp engines along with access to some ss ignition items for a couple hundred bucks, why not.



#11 Vrdaddy OFFLINE  

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Posted February 03, 2018 - 06:57 AM

Found this, someone on another tractor website was looking for parts for the same model engine (143-640022) and here's a Sears site he was referred to, hope it helps.
https ://www.searspartsdirect.com/model-number/143640022/0247/1503500.html?searchType=modelSearch&q=143-640022&searchTerm=143-640022

Edited by Vrdaddy, February 03, 2018 - 07:01 AM.

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#12 1400 medfra OFFLINE  

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Posted February 06, 2018 - 03:32 PM

Found this, someone on another tractor website was looking for parts for the same model engine (143-640022) and here's a Sears site he was referred to, hope it helps.
https ://www.searspartsdirect.com/model-number/143640022/0247/1503500.html?searchType=modelSearch&q=143-640022&searchTerm=143-640022

 Thanks for the info. Unfortunately both engines are sold.


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