Upgrade Craftsman TS Motor?

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Forum topic by tool_junkie posted 07-29-2011 06:30 PM 1859 views 0 times favorited 5 replies Add to Favorites Watch
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321 posts in 2493 days

07-29-2011 06:30 PM

Hello All,

I am fairly new to this forum and I must say I have received great advice on all my questions. I am already learning a lot from this forum.

I am thinking it would be really nice to upgrade the stock 1HP motor on my Craftsman 113.29943 table saw to a higher HP motor. Do you guys think it would be a good upgrade? What would be a good place to buy used motors from? Constrained by tight budget, I am looking to upgrade for relatively cheap.


5 replies so far

View crank49's profile


4030 posts in 2934 days

#1 posted 07-29-2011 07:17 PM

I see that the motor hangs out the back of that saw so yes, an upgrade is probably possible. I see motors on Craigs List all the time for around $100. Harbor Freight sells cheap electric motors at about the same price some folks ask on CL, and they have a warranty.

Most cities will have a motor repair shop and they often have new or used/rebuilt motors. Another source, most folks never think about are farm supply stores and Co-Ops, if you are in a rural area.

The most motor you can run on a single phase, 120 volt, circuit is normaly limited to 1-3/4 hp. I’m not sure if I would want to push it any higher than that anyway on a machine designed for 1 hp.

Be sure to match the RPM and Rotation direction of your existing motor.

You may have to upgrade the start/stop switch with the motor.

View Tedstor's profile


1643 posts in 2596 days

#2 posted 07-30-2011 02:49 AM

I’m not sure what what your ideal price range is, but I see various belt-driven power tools on craigslist all the time for cheap. I recently saw a rusty, beat-up Delta TS with a 1.5hp motor for $50. The saw as a whole was a pretty sad “fixer upper”. But if I needed the motor, I’d have bought the saw, yanked the motor, and sold/scraped the rest of the tool.
Just an idea.

View IrreverentJack's profile


727 posts in 2807 days

#3 posted 07-30-2011 02:55 AM

A bigger motor would need a better switch than the stock Craftsman. In fact, an upgraded switch/wiring might make the old motor run better. If the motor works spend your money on thin kerf blades. -Jack

View EEngineer's profile


1101 posts in 3577 days

#4 posted 07-30-2011 05:51 AM

Hell, the original motor on that Craftsman saw needed a better switch!

Seriously, I run a 10” Craftsman saw from about late 1960’s-1970’s. It has a 1 HP motor on it. I have no problems with anything I’ve cut on this saw. But, one of the first things I did was upgrade the switch (cheap little rocker switch under the table – hard to reach and marginal for the motor. Next thing I did was upgrade the blade from the general-purpose blade that came with the saw. Try those before you upgrade the motor.

-- "Find out what you cannot do and then go do it!"

View Don W's profile

Don W

18685 posts in 2531 days

#5 posted 07-30-2011 06:03 AM

You can usually get one from ebay for craftmans saws. I bought a 3 hp, but when I got it it wouldn’t work with 220. I got frustratated and bought a new leeson. I didn’t have a problem returning the ebay motor though, so it worked out in the end.

-- - Collecting is an investment in the past, and the future.

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