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tecumseh weight??


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#1 wawcub47 OFFLINE  

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Posted September 24, 2011 - 08:22 PM

Hi Guys, igot a 112 flat fender john deere today with a tecumseh engine on it. Bolted on top of the head is a weight, has 3 mounting holes and a cutout for the spark plug. The number is m 44631 with a jd in a circle. the is also these numbers:325 5 sf 3. Any ideas? Could it be an anti-vibration device? First one I ever seen.

#2 DH1 OFFLINE  

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Posted September 24, 2011 - 08:24 PM

Suppose to be for reducing vibrations from what I know.

Edited by DH1, September 25, 2011 - 07:17 PM.
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#3 MH81 ONLINE  

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Posted September 24, 2011 - 08:34 PM

:ditto:
I think most of those came off & stayed off first time work was done. IDK if it did any good, but it's an interesting OEM piece.

#4 DH1 OFFLINE  

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Posted September 24, 2011 - 08:36 PM

I've seen them on ebay, they want a good buck for them.

#5 JDBrian OFFLINE  

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Posted September 25, 2011 - 07:09 AM

Thats the first I've heard of that! Wouldn't the engines be hard mounted on a 112? It doesn't seem like adding weight at the top of the engine would reduce vibration if the engine was bolted right to the frame. The opposite seems intuitive to me. I wonder if it was more of a heat sink then anything else? If anyone else has info on these I'd like to hear more about this.

#6 wawcub47 OFFLINE  

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Posted September 25, 2011 - 08:12 AM

Thanks tractorholic!

#7 wawcub47 OFFLINE  

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Posted September 25, 2011 - 08:14 AM

Thanks to everyone for your input! This is a new one on me.

#8 caseguy OFFLINE  

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Posted September 25, 2011 - 10:28 AM

I have never seen one of those before wawcub47! How about some pictures so we can all see what you have? Thanks for sharing.

#9 johndeereelfman OFFLINE  

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Posted September 25, 2011 - 10:52 AM

It is a anti-vibration weight. I have had two 112's with these on, and believe it or not, when removed, it does make a difference. JDBrian, these were mounted on the 112's starting in 1970-71, after Deere changed the mounting from direct frame, to rubber bushings. I actually have one of these weights out in the shed, that was included in a box of parts that I bought a few years back. A lot of guys removed these from the tractors, and got misplaced or lost, but I believe these were included on all 112 tractors from 1970- 1972. You still find them every now and then on Patio 112's, and there is a lot of guys out there looking for them. They are bringing good money on ebay, but if I were you wawcub47, I'd hang on to it. Either keep it mounted on the tractor, or put it somewhere that you won't lose it. Since they're getting kind of rare, I'd keep it mounted to the tractor. Just my two cents!
Troy
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#10 bhts OFFLINE  

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Posted September 25, 2011 - 10:56 AM

I have seen those and have a couple here myself.They were only on the jd's from what i know.They are called a torsional damper and i belive was only on the 112 manual lift tractor.As some have said they disappered when removed and is neat that you still have it intact on the motor.Nice find.

#11 johndeereelfman OFFLINE  

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Posted September 25, 2011 - 11:08 AM

[attachment=17986:17932.attach]Here is what they look like guys!
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#12 caseguy OFFLINE  

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Posted September 25, 2011 - 03:07 PM

I have a 1970 112 with a Kohler K241 on it. No weights there though. Were they only on the Tecumseh engines?

#13 olcowhand ONLINE  

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Posted September 25, 2011 - 03:14 PM

I have a 1970 112 with a Kohler K241 on it. No weights there though. Were they only on the Tecumseh engines?


Just on the TEC engines, and all that owned them said the weights DO work!

#14 JDBrian OFFLINE  

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Posted September 25, 2011 - 03:49 PM

Interesting. It must have something to do with correcting the centre of gravity on the engine so that the rubber mounts are more effective at reducing movement/vibration. Threads like this are a lot of fun when there are so many knowledgable tractor enthusiasts here!

#15 wawcub47 OFFLINE  

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Posted September 25, 2011 - 06:54 PM

Thanks again to everyone who replied!!! goes to show ya we have a wealth of info just for the asking. thanks guys.




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