repower table saw.

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Forum topic by agallant posted 10-12-2011 05:57 PM 1486 views 0 times favorited 7 replies Add to Favorites Watch
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551 posts in 2881 days

10-12-2011 05:57 PM

anyone ever stick a 3HP motor on the back of their table saw to replace the 1.75 it came with? If so can you tell me how it went? I really want 3HP, I currently have a SS contractor.

7 replies so far

View Lee Barker's profile

Lee Barker

2170 posts in 2845 days

#1 posted 10-12-2011 06:25 PM

I once owned a Rockwell contractor saw and someone had slung a bigger motor on the back—two or three hp—and it was long enough to tweak the two rods that stick out the back and hold the hinged motor mount. It took great effort to tilt the blade.

Given that option, I’d opt out.

My feeling is that the table saw is the heart of most tool layouts. Everything starts there, and if it ain’t right coming off the saw, or you’re uncomfortable using the tool, you’re compromising the ultimate quality of your project.

Can we all send you some nickels so you could invest in a saw that has enough hp and will last you the rest of your life?



-- " his brain, which is as dry as the remainder biscuit after a voyage, he hath strange places cramm'd with observation, the which he vents in mangled forms." --Shakespeare, "As You Like It"

View crank49's profile


4030 posts in 2965 days

#2 posted 10-12-2011 06:35 PM

By SS contractor do you mean Saw Stop contractor saw?

If so, I wouldn’t tamper with anything on that saw.
I can’t say that changing the hp of the motor would make it fail, but I couldn’t say it wouldn’t, either.

That particular saw has a brake system that is designed to safely stop the rotating mass of the blade and the drive motor. To change any element of that system would compromise the entire system. If you change the motor and later the brake gets activated and the saw flies apart and kills someone, who do you think would be responsible. Hint, it would not be Saw Stop.

View CharlieM1958's profile


16274 posts in 4213 days

#3 posted 10-12-2011 06:47 PM

I agree with crank49, except for the last part A jury probably would hold SawStop responsible because they didn’t put a huge sticker on the saw telling you not to put a different size motor on it. :-)

-- Charlie M. "Woodworking - patience = firewood"

View Don W's profile

Don W

18707 posts in 2562 days

#4 posted 10-12-2011 07:06 PM

I did it on an old craftsman . Want to buy the motor?

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

View agallant's profile


551 posts in 2881 days

#5 posted 10-12-2011 07:47 PM

Point taken. Initiating thread killer. Thanks for the advice.


View PurpLev's profile


8535 posts in 3643 days

#6 posted 10-12-2011 07:52 PM

I agree with crank49 – the saw was built to handle the forces of a 1.75hp motor not a 3HP motor that with it’s additional torque may put too much stress on the other saw components

I also agree with charlie though – SS would still be able to be at fault since they did not install a saw-break sensing technology on their sawblade-stopping device.

I’d leave it as is, or sell it and upgrade.

curious – what are you doing with the saw that 1.75HP is holding you back?

-- ㊍ When in doubt - There is no doubt - Go the safer route.

View agallant's profile


551 posts in 2881 days

#7 posted 10-12-2011 08:08 PM

I have been working with a lot of 8/4 stock latley. Mostley Oak, walnut and bubinga. When cutting only a few peaces it is OK but when I have to batch cut 12 peaces it tends to bog down until the breaker trips.

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