Tecumseh 10 hp

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Tecumseh 10 hp

Post  marshallgang on February 16th 2015, 3:21 pm

Can anyone tell me if a Custom series Tecumseh 10 hp Sears part #143.619012 is compatible with a Suburban 10 hp part #143.579042? I was thinking if the engine cowling was different I could take whatever parts I need off my old S-10 engine to convert the Custom engine if they are basically the same.

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Re: Tecumseh 10 hp

Post  TKW on February 18th 2015, 10:38 am

they are both HH10 engines and from looking at the sears parts site , the 619012 engine appears to have a gear driven electric start / the 579042 engine appears to be a manual start . this is only what i see from the parts page picture . more information on your problem would help . > tim

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Re: Tecumseh 10 hp

Post  marshallgang on February 18th 2015, 4:48 pm

I noticed the difference in the starter as well. My engine, the Suburban 10 with the 579042 engine has a belt driven starter. If the 619012 engine has a gear driven starter that would explain the reason it looks different around the fly wheel housing. My engine needed a new head gasket and when I replaced it I broke off a head bolt. I couldn't get it out so I took it to a small engine shop & they couldn't either. I took it to a guy who does metal fabricating & he's been putzing with it on & off (mostly off) for nine months. This tractor has been in the family since new (going on 50 years) & I would like to get it back in service. Might be easier to replace the engine so I thought I could salvage parts off my engine to convert the 619012 so it's useable in place of the 579042. Any thoughts would be appreciated. Thanks.

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Re: Tecumseh 10 hp

Post  TKW on February 18th 2015, 5:16 pm

oh my that's terrible for someone to screw around that long on something that at most would take an hour or less to do . dang i remember posting a couple suggestions to try when you first posted that problem . you could slowly do it on a drill press with the right set up . i would think the electrics would be different on each engine with the different starter systems , someone else may be able to answer that to be sure . don't think i've done you any help , hopefully you can find a reliable source to fix your original engine . > tim

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Re: Tecumseh 10 hp

Post  marshallgang on February 19th 2015, 7:22 am

The problem with the head bolt is it broke off inside the head. I tried to drill a pilot hole in the broken head bolt in order to extract it & the drill broke off in the head as well. Can't get the bit out & can't drill thru it so I'm kinda stuck.

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Re: Tecumseh 10 hp

Post  TKW on February 19th 2015, 9:06 am

guess the first information needed would be 1 ) size of the drill that's broken ? 2 ) how deep is the drill broken in the bolt ? 3 ) is it centered in the hole of the sheared bolt ? may try a dremel with a carbide burr ( there are many different shapes ) and slowly grind the drill out this takes a steady hand and a lot of time certainly not nine months but a few hours . again an automotive engine shop should be able to fix that in a very short time . > tim

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Re: Tecumseh 10 hp

Post  marshallgang on February 19th 2015, 10:59 am

ok, thanks for the input-gives me other options I hadn't considered

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