Delta Rockwell Super 900 Radial Arm Saw #2: 1958 or 59 Delta Rockwell Super 900

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Blog entry by Mark Duncan posted 08-05-2009 10:44 AM 12346 reads 2 times favorited 11 comments Add to Favorites Watch
« Part 1: 1958 or 59 Delta Rockwell Super 900 Part 2 of Delta Rockwell Super 900 Radial Arm Saw series no next part

These are the pictures after I completely took this saw apart, lubed it, removed the majority of the rust, repainted, and reassembled. All i have to do now is to finish hooking up the switch and this saw will be ready for a top.







-- Mark Duncan, Central California

11 comments so far

View littlecope's profile


2976 posts in 2290 days

#1 posted 08-05-2009 01:19 PM

Nice find by your Dad, and great clean-up/re-paint, Mark! They don’t make them like that anymore…I’ll bet that even after 50 years there’s very little play in the slide!
My Dad bought a Delta Drill Press circa 1964 and bought me one for Christmas in the early 90’s, of comparable specs. Mine you could actually “jiggle” the chuck shaft in the column straight out of the box! His is as steady as a rock, to this day. Better machining and use of heavier cast parts makes a world of difference…
Have fun with that!!

-- Mike in Concord, NH---Unpleasant tasks are simply worthy challenges to improve skills.

View huff's profile


2815 posts in 2073 days

#2 posted 08-05-2009 02:16 PM

Mark, Looks like your Dad found a winner for you. Great job and cleaning it up and repainting. I agree with Mike, they don’t make them like that anymore. Make sure you post a few pics when you have it up and running with the new table and blade. Will be curious how it performs for you. Thanks for sharing.

-- John @

View motthunter's profile


2141 posts in 2587 days

#3 posted 08-05-2009 02:48 PM

great restore.. looks great…

-- making sawdust....

View Jesse's profile


66 posts in 2007 days

#4 posted 08-05-2009 02:49 PM

Looks great, I have the same saw.

I also paid $60. Are you a member of the Dewalt radial arm saw forum? If not I would recommend it for lots of good info (of course not specific to a Delta).

I did not have to change any bearings on mine, it seemed as though it was barely used. Once you get it up and running, I am curious to know how long you blade spins after shutting it down.

You probably already know it but there are manuals for this machine on OWWM.Com.
edit: after looking at the post about your shop I am guessing that you don’t need any advice on tool setup. That is quite a shop you have.

-- Jesse, Hopewell Jct., NY

View romiinx's profile


6 posts in 1789 days

#5 posted 03-26-2010 08:20 AM

real nice job! looks awesome

-- Randy: I make alot of sawdust

View romiinx's profile


6 posts in 1789 days

#6 posted 03-26-2010 08:22 AM

would anyone know where I could get any parts for one of theses saws?

-- Randy: I make alot of sawdust

View bobdurnell's profile


306 posts in 2685 days

#7 posted 03-26-2010 05:28 PM

hey Mark, I have a later version of your ras when Rockwell owned the company. Bought it in 1972 and it still works great. The only thing I have done to it was have the motor rewired when the wire from the motor just disintegrated. The motor place put in new bearings while they had it apart. Your job on restoring is awsome. I did install a 6lb sash ballace to help pull the saw back. If you check out my workshop you might see it from one of the pictures. It’s a small box on the right side attached to the bearing housing.

-- bobdurnell, Santa Ana California.

View Beginningwoodworker's profile


13347 posts in 2461 days

#8 posted 02-12-2011 07:58 AM

Nice job!

-- CJIII Future cabinetmaker

View Bayman50's profile


8 posts in 444 days

#9 posted 11-12-2013 10:23 PM

I have just acquired a rebadged Rockwell 900 in quite good condition. The carriage bearings on mine are a little stiff so I took the carriage off the track arm with the intent of replacing the bearings. I loosened the bolt holding the left front bearing but the bolt will not unscrew from the roller head casting. I have also loosened the L. H. Yoke Locking Nut from the L. H. Thread King Bolt and have tried to take out the bolt to get a look at the underside of the head casting to determine why the bearing bolt will not unscrew. Have you any words of advice?
Thanks in advance!

View Davepres's profile


3 posts in 243 days

#10 posted 06-02-2014 11:03 AM

I also have bought a rockwell super 900 saw that I want to restore. You have done a wonderful job on yours and I was hoping that you might give me some advice. My saw needs to be painted. It also has some surface rust. How did you strip your saw and what type of paint did you use. Thanks for your help

View Davepres's profile


3 posts in 243 days

#11 posted 06-28-2014 09:22 PM

I have a rockwell 12 inch radial arm saw that I just got. It’s a single phase motor. It was wired for 240 volts and I rewired it to 120 volts. It ran fine until recently when it started to smoke. I unplugged it and now it just hums and will not start. If it hums long enough it will trip the breaker. It hums whether the switch is on or off. Does anyone have any ideas?

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