unisaw frame motor mounts

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Forum topic by calvin13 posted 07-16-2012 08:39 AM 2386 views 0 times favorited 3 replies Add to Favorites Watch
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20 posts in 1178 days

07-16-2012 08:39 AM

Want to change 1.5 hp motor on unisaw to 4hp . Saw has 143Y frame mount . New motor has 145Y frame mount .What is the difference? will mnew motor mount up?

3 replies so far

View MedicKen's profile


1607 posts in 2499 days

#1 posted 07-16-2012 08:50 AM

Check out this chart to see of the mounting dimensions are the same

-- My job is to give my kids things to discuss with their

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1891 posts in 1666 days

#2 posted 07-16-2012 07:27 PM

i think the 145 may be for left tilt saws. i’d contact the sawcenter. if it’s unisaw related, they know about it:

also, these guys seemed to be pretty knowledgeable about unisaw motors and mounts, and had the most reasonalble prices i could find on unisaw compatible leeson motors:


-- there's a solution to every just have to be willing to find it.

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2088 posts in 1236 days

#3 posted 07-17-2012 02:49 AM

Based on the NEMA specs, the 145 mounting holes are about an inch further away from each other than the 143 lengthwise. Everything else looks the same. If you have holes already drilled for the longer base then you are good to go, otherwise you may have to drill some new ones.


-- Brad in FL - To be old and wise, you must first be young and stupid

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