unisaw frame motor mounts

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Forum topic by calvin13 posted 737 days ago 1510 views 0 times favorited 3 replies Add to Favorites Watch
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20 posts in 737 days

737 days ago

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


1599 posts in 2058 days

#1 posted 737 days ago

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

View toolie's profile


1717 posts in 1225 days

#2 posted 737 days ago

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.

View MrUnix's profile


453 posts in 795 days

#3 posted 736 days ago

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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