Older Delta Jointer - anyone know this model?

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Forum topic by rossn posted 01-05-2019 01:33 PM 1725 views 0 times favorited 8 replies Add to Favorites Watch
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73 posts in 856 days

01-05-2019 01:33 PM

Topic tags/keywords: vintage delta jointer model

I’m looking for a 6” or 8” jointer for a little hobbyist shop and found this one on Craigslist. Does anyone know the model? If so, how would you rate this model, and does anyone have a sense of what a good price would be? I’d have to drive an hour and a half to pick it up.

Original motor, current owner has owned it since 1985 and doesn’t know the model number, but the serial number is B1 6251. The guard needs a spring, but the seller is otherwise saying it works well.

8 replies so far

View johnstoneb's profile


3167 posts in 3234 days

#1 posted 01-05-2019 05:12 PM

It is probably a 37-220. Excellent jointer it is the Delta design before Rockwell could cheapen them up. I have one just a year or two newer than that one. The spring for the guard is a rotary spring on the pivot pin. You wind it up and index it on a pin. If the guard is pulled off the spring unwinds and won’t return the guard to the closed position until you wind it up again. It is a simple machine 2 bearing on the cutter head and dovetail ways. I have no idea on price. I inherited mine from my FIL. Almost every jointer in production even today is a clone of that design.

I just looked at craigslist. For $250 it would be in the back of my pickup already.

-- Bruce, Boise, ID

View rossn's profile


73 posts in 856 days

#2 posted 01-05-2019 05:27 PM

OK, thanks so much for the insight johnstoneb. Any ideas if these had any issues with table flatness or fence squareness? Also, any idea how many HP the motor should be?

View jonah's profile


2136 posts in 4360 days

#3 posted 01-05-2019 06:10 PM

It’s probably a 3/4 or 1HP motor. Plan to test the table and fence for flatness – it’s always possible either one of them warped.

View Planeman40's profile


1545 posts in 3823 days

#4 posted 01-05-2019 06:15 PM

I have that jointer. Bought it new back around 1975. Excellent jointer.

-- Always remember: It is a mathematical certainty that half the people in this country are below average in intelligence!

View Aj2's profile


3778 posts in 2860 days

#5 posted 01-05-2019 06:46 PM

If you don’t have a straight edge to very the table flatness. Bring some clean wood and push it through proof is in the pudding. Looks well cared for.
Don’t drag it around from the ends if the tables if you buy it.

-- Aj

View MrUnix's profile


8528 posts in 3261 days

#6 posted 01-05-2019 08:55 PM

Assuming the “B1” is really a “BI” (letter “I”, not number “1”), then it would be a 1955 model based on that serial number. As Bruce mentioned, the 6” jointer Delta offered in that year was the 37-220. With the open steel stand it was considered a 37-221, and with the cast iron stand, a 37-222. They sold the motors separately, however they did offer an ‘all inclusive’ package, catalog #37-231, which was the machine, open steel stand, 1/2hp motor and switch. The only other single phase motor they offered for the machine was 1/3hp.

It’s a workhorse of a jointer and they were made for decades… seems to be in great shape, and has a mobile base with is a nice little extra.


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

View Richard Lee's profile

Richard Lee

395 posts in 1837 days

#7 posted 01-05-2019 10:42 PM

I also have the same Jointer, if the fence and tables are flat and square its worth the price.
Has the original 1/2 0r 1/3 hp motor.
My fence was warped,had to straighten it.

View rossn's profile


73 posts in 856 days

#8 posted 01-06-2019 03:56 AM

All, thanks for all the information. Unfortunately, this one went before I could get to it. I’ll keep my eyes open for others. Any particular recommendations when looking for older jointers (particular models or things to watch out for)?

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