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Forum topic by GBS posted 02-12-2009 at 10:57 AM 13525 views 1 time favorited 11 replies Add to Favorites Watch
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GBS

30 posts in 2344 days


02-12-2009 at 10:57 AM

Topic tags/keywords: unisaw motor 3hp aftermarket leeson tablesaw

Hello Everyone –
I recently acquired a Unisaw that needs a new motor. I have been trolling Ebay to find one, and the only kind I can find are Leeson brand. Are these motors reliable? Should I lay out 300-400 dollars for one of these units? How is the fit and finish with the Unisaw motor mounts? If anyone has any experience with aftermarket motors on a unisaw I would reall appreciate the help. For what it’s worth, I will be mounting a 3HP, single phase motor.
Thanks,
Greg


11 replies so far

View bandman's profile

bandman

79 posts in 2027 days


#1 posted 02-12-2009 at 09:54 PM

I swaped out the 3hp single phase motor on my Delta Unisaw this past year with a 5hp motor.
To make the fit, we used a set of fabricated angles to match in with the existing holes and the
mount on the new motor. Watch your clearance for the dust chute, it can be very problematic.
If you’d like, I could get some digital photos.

-- Phil

View DaveH's profile

DaveH

400 posts in 2415 days


#2 posted 02-13-2009 at 08:09 AM

What’s the problem with the motor? I’d take it in to a electric motor repair shop and have it looked at. Some shops charge very little to open and inspect a motor. Repair parts are usually available. Spending a $100 – $150 for a repair may be a better way to go. Shops can also sell replacements.

-- DaveH - Boise, Idaho - “How hard can it be? It's only wood!”

View GBS's profile

GBS

30 posts in 2344 days


#3 posted 02-13-2009 at 08:42 AM

Thanks for the replies so far, everyone…The reason I am putting in a motor is because the saw came equipped with a (functional) 5hp, 3 phase motor. My basement shop is not equipped with 3 phase power so I planned to convert to 3 horse, single phase. I figure that is plenty of power for my use. I suppose I could get a phase converter and just use the stock motor? Does that make sense to do? I guess I kind of thought that 5hp was approaching the limit of single phase power. My saw is a newer Unisaw, 3450 rpm. Whaddy’all think!?
Thanks,
Greg

View UVA's profile

UVA

16 posts in 2046 days


#4 posted 02-13-2009 at 09:24 AM

I have a 1985 vintage Unisaw with a 1.5 HP motor. It has served me well but I want to upgrade the motor as well. I have done a lot of research and will buy a Baldor motor which has the correct mounting plate for a right tilt Unisaw. I found the following websites had good information:

Amazon no longer sells the motor but some of the posts are useful.
http://www.amazon.com/Baldor-WWL3606-Horsepower-Replacement-Unisaws/dp/B0000223WG/ref=wl_it_dp?ie=UTF8&coliid=I121WCRZZ28ASU&colid=320JAC36FCP6N

Woodworker’s Supply sells Maraton motors, supposedly original equiplent:
http://www.woodworker.com/cgi-bin/FULLPRES.exe?PARTNUM=130-877&search=Unisaw%20Motor&smode=

The Saw Center posts the most complete information on Unisaw parts and rebuilding:
http://www.sawcenter.com/unisawparts.htm

Here is the best price I found for the Baldor, 3 hP, 1 phase motor for right tilt Unisaw:
http://www.plazamachinery.com/

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DaveH

400 posts in 2415 days


#5 posted 02-26-2009 at 06:30 PM

I’d also check out the motors at Grizzly. You can probably match the mount. Might save some money.

Grizzly motor

-- DaveH - Boise, Idaho - “How hard can it be? It's only wood!”

View hairy's profile

hairy

2012 posts in 2169 days


#6 posted 02-26-2009 at 06:47 PM

My Unisaw has a 4 hp Leeson.I bought the saw used, the owner had spilled Coca Cola into the original 5 hp motor, and replaced it with a Leeson. It will pop a 20 amp breaker at startup, but pulls 17 amps running. It’s on a 220 volt, single phase circuit. It has all the power I need. I know, it’s supposed to be a 3 or 5 hp, but it’s 4.

-- the last of Barret's Privateers...

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DaveH

400 posts in 2415 days


#7 posted 02-27-2009 at 01:31 AM

You can also find new and used motors on eBay for Unisaws.

Unisaw Motors on EBay.

-- DaveH - Boise, Idaho - “How hard can it be? It's only wood!”

View GBS's profile

GBS

30 posts in 2344 days


#8 posted 02-27-2009 at 09:09 AM

Hi everyone thanks for the replies. I ended up buying a 3HP 1phase 220V left tilt motor from the Saw Center. Sawcenter.com. I haven’t installed it yet but I plan to this weekend. It was nice to have the box come and see Delta printed right on the side of the box. Im confident that the motor mount is going to match up! Plus the Saw Center emailed me to confirm that I did, infact, have a Left Tilt model. Apparently they’ve run into that problem. Shipping was pretty fast because they are in Springfield MA (western MA) and I’m in the Albany NY area. Thanks everyone for the valuable info and Ill probably post some info about the motor when I finally get this baby running!

View Jilm's profile

Jilm

1 post in 618 days


#9 posted 12-22-2012 at 03:49 PM

Hi Greg I just read everything regarding your 5 to 3hp swap. I am currently dealing with exact issue how did the motor from SawCenter work? Thanks. Jim

-- Jim H, Algonquin IL

View toolie's profile

toolie

1746 posts in 1266 days


#10 posted 12-24-2012 at 10:43 AM

$600 for a motor? and if they sold you a motor, it will fit. they are the best on all things unisaw related. heavy little sucker though, isn’t it?

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

View Grandpa's profile

Grandpa

3107 posts in 1312 days


#11 posted 12-24-2012 at 01:04 PM

Toolie I have the same saw and they wanted $680 plus taxes for a motor. I didn’t even ask about shipping. No I didn’t buy one. I went another way for the moment.

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