Most likely a Delta rockwell 6+6. They started making them in the mid 1960s and is one of my favorite 15" drill presses. It has 6 speeds and 6" of quill travel. Well built and relatively compact. It is not a 17" drill press as there is no table lift mechanism and the head casting is different. The power switch makes me think it is a later one, maybe late 1970s? $400 seems a little high based on the amount of rust.
^ this.
It doesn’t look like a 17 to me either, looks like a 15 head design, in addition to your observations the pipe doesn’t look big enough, the stop collar looks similar to a Rockwell collar I have (pic below). Although, that does look like a 17 base, maybe there’s a bushing in there, a retrofit.
17s usually have a cap that is bolted to the head or table to keep them on the pipe. This machine has the pipe passing through a casting for both.
Thats one heck of a mag starter, sure I’ve had big mag starters on my household stuff, but wow. I get the vibe of a 220/440 3-phase originally in an industrial setting. The plug appears to have been cut off, which is not uncommon when these come out of a work setting. It might have been directly wired into a service box.
The hand feed has two of the handles replaced with those stubby things.
Yes, $400 too much. If it is a Delta, parts are plentiful.
If you are still interested get the seller to send you a pic of the model/serial number tag. Also a pic of the motor tag. If they don’t then you know something is up. While you are at it get him to measure from the centre of the chuck to the pipe. If it’s a 17 it will measure 8.5”. Get a pic of the badge on the front of the machine too. A “peace sign” logo signifies a Rockwell International era machine. Not all bad, but preferably you want one early 70s if so. The serial # will help date it.
Matt
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PS this is a Rockwell 15” collar on my 1955 Craftsman
