Tecumseh engine replacement - Snowblower Forum : Snow Blower Forums
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post #1 of 17 Old 01-17-2019, 03:04 PM Thread Starter
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Tecumseh engine replacement

We have a JCPenney snowblower that needs a new engine.

The old engine is a HM100 159114L 10hp. Can it be replaced by any Tecumseh HM100 10hp engine? Will the pulleys mount on correctly?

Thanks in advance for your help!
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post #2 of 17 Old 01-17-2019, 03:12 PM
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If the shaft size is the same, just a bolt on swap...if not get a sleeve adapter or new pulleys.
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post #3 of 17 Old 01-17-2019, 03:15 PM Thread Starter
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By shaft size, do you mean length or diameter?
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post #4 of 17 Old 01-17-2019, 03:58 PM
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he is referring to shaft size but i don't think that should be an issue for you. generally 8hp and up have a 1" output shaft and the 7hp and smaller usually have a 3/4" output shaft but if you are replacing a 10hp machine with another you are most likely fine and won't need an adapter.

arien 520 snow blower 6.5hp swap
yardworks 31AH6WKF515
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post #5 of 17 Old 01-17-2019, 04:04 PM
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Diameter

Most hm100 are 1 inch
i just used a 3/4 to 1 inch adapter for an hmsk100

went right on the 3/4 crank had to remove a lil material on a drill press with some Emory cloth to fit in the 1 inch cleaned Ariens sheave was to tight
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post #6 of 17 Old 01-17-2019, 04:09 PM Thread Starter
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Will this be the same
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post #7 of 17 Old 01-17-2019, 04:18 PM
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I would say yes
Looks like its close to the same setup i got my 10 hp from to put on my st824
you need to see what size shaft it has ill guess its 3/4 inch take that pulley off and check it 15 min job
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post #8 of 17 Old 01-17-2019, 04:34 PM
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MTD used a lot of 7/8 inch pulleys and some stepped cranks.....seen some big block's with 3/4 ..Toro's and Ariens I've found to be 1 ". No big deal..adapt or replace pulleys whatever the size shaft.
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post #9 of 17 Old 01-20-2019, 04:17 PM Thread Starter
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Hate to bother you again, but I figured that guys on a snowblower forum probably wouldn`t be busy today...

I ran across a new Briggs and Stratton 1150 engine and was wondering if it would work to replace the very dead Tecumseh engine on my snowblower. The old engine was 10hp & this one is about 8hp.
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post #10 of 17 Old 01-20-2019, 04:21 PM
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how big is the snowblower you are planning on using it on?

arien 520 snow blower 6.5hp swap
yardworks 31AH6WKF515
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