Drive Belt Needed for Porter Cable Model 153 Heavy Duty Belt Sander!

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Forum topic by chuckiii3 posted 07-12-2019 12:38 PM 243 views 0 times favorited 6 replies Add to Favorites Watch
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3 posts in 6 days

07-12-2019 12:38 PM

Topic tags/keywords: power tool belt sander portercable question refurbishing

I have an old Porter Cable Model 153 Heavy-Duty 3”x 21” Belt Sander that I acquired after my father passed away back in 1999. Other than needing cleaned-up a bit, the sander itself is in great condition (my dad took excellent care of his tools) and runs perfectly. However, the drive belt has been broken ever since I got it 20 years ago – and despite exhaustive internet searches, I cannot for the life of me find a replacement for it!

The broken belt that is currently on the sander, which is the correct size, is marked “Goodyear 29-SF”. It is basically a timing (also apparently known as a cogged, toothed or synchronous) belt. It measures 12-1/4” long x 7/16” wide x 1/8” thick and has 37 “teeth” or “cogs” spaced at approximately 11/32” center-to-center.

Any assistance in locating one (or hopefully a few!) of these seemingly non-existent drive belts would be most gratefully appreciated! Thanks so much for everyone’s help!

Chuck Lentz

The Sander:

The Pulleys:

The Drive Belt:

6 replies so far

View ibewjon's profile


679 posts in 3211 days

#1 posted 07-12-2019 01:25 PM

I found a belt for my powermatic 90 ((1973 model) at Motion Industries. They had a half dozen on the shelf.

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1176 posts in 323 days

#2 posted 07-12-2019 01:31 PM

I had a similar problem, took it to Autozone, the guy went and grabbed a bunch of belts and kept bringing more until we had a fit. The guy was really helpful and spent probably 10-15 finding a match for me.

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7404 posts in 2616 days

#3 posted 07-12-2019 03:34 PM

Is this what you are looking for?

From here:


-- Brad in FL - In Dog I trust... everything else is questionable

View chuckiii3's profile


3 posts in 6 days

#4 posted 07-13-2019 05:50 PM

Well, “ask and you shall find” certainly applies here at Lumberjocks! Thanks so much guys. I’ve spent so much time searching for one of these that I literally got headaches. I wasn’t expecting one to cost 20 bucks though. I did write to a few months back and got this reply:

“This would be the American/Standard type of timing belt. Based on the measurements you provided, the part number you are looking for is a 124L040. I have quoted this belt for your convenience. #124L040 – 12.4” Outside Length – L Tooth Pitch – 0.40” Top Width (Closest we can come) – $2.80 each.” When I checked it out though, I seem to recall that it had more than 37 teeth, so it wasn’t an exact match. But the price was a heck of a lot more reasonable!

I’ll look into Motion Industries and Auto Zone – both have locations near me – and if I can’t locate one there I’ll order a couple from

Thanks again – your help is very much appreciated!

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679 posts in 3211 days

#5 posted 07-13-2019 08:27 PM

Helping others here is what it’s all about.

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679 posts in 3211 days

#6 posted 07-13-2019 08:28 PM

Helping others here is what it’s all about. The smartest person doesn’t know all the answers, but where to find the answers. This is that place.

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