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Thread: Need cheap power unit for Hobart 27 wire feeder?

  1. #1
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    Need cheap power unit for Hobart 27 wire feeder?

    I recently acquired a Hobart 27 wire feeder for 15 bucks on an estate sale. Iím wanting to update to a bigger MIG in the 250amp range and will probably buy a new one but in the mean time I thought maybe I could do something with the Hobart if itís in working condition. I realize I need a constant voltage DC welder and I see quite a few older stick welders for sale.

    Can I use something like a Lincoln tombstone to power the wire feeder? How do I determine which are constant voltage welders?

  2. #2
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    Re: Need cheap power unit for Hobart 27 wire feeder?

    You need a power supply something like I've got - a Miller XMT304. All the big guys make some version similar, and many much bigger, but mine is int he zone you are talking about. Something like this one that can do CV and also CC is very handy.
    -Dave
    XMT304 with: 22A Feeder, or HF251 Hi Freq DC TIG air cooled

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    Re: Need cheap power unit for Hobart 27 wire feeder?

    Keep an eye out for an old CV unit like a CP300(miller) or the equivilant unit in linde, airco, lincoln. There are many of them out there, transformer units, some single phase, but a lot are 3 phase. The miller shopmaster I think is a 300 amp AC/DC CC/CV, and I think there are a few Ideal arc out there that are similar. I'm not sure you'll pay as little as you did for that feeder. Craigslist, facebook market place and some patience.
    Airco 250 ac/dc Heliwelder Square wave
    Miller Synchrowave 180 sd
    Miller Econo Twin HF
    Lincoln 210 MP
    Dayton 225 ac/dc
    Victor torches
    Snap-On YA-212
    Lotos Cut60D

  4. #4
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    Re: Need cheap power unit for Hobart 27 wire feeder?

    Airco 250 ac/dc Heliwelder Square wave
    Miller Synchrowave 180 sd
    Miller Econo Twin HF
    Lincoln 210 MP
    Dayton 225 ac/dc
    Victor torches
    Snap-On YA-212
    Lotos Cut60D

  5. #5
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    Re: Need cheap power unit for Hobart 27 wire feeder?

    Any of the old CP line 250, 250TS, 300, 302 and know that these are three phase only power sources but can be converted to single phase via a Hasse-Kamp conversion.

  6. #6
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    Re: Need cheap power unit for Hobart 27 wire feeder?

    Quote Originally Posted by albrightree View Post
    Keep an eye out for an old CV unit like a CP300(miller) or the equivilant unit in linde, airco, lincoln. There are many of them out there, transformer units, some single phase, but a lot are 3 phase. The miller shopmaster I think is a 300 amp AC/DC CC/CV, and I think there are a few Ideal arc out there that are similar. I'm not sure you'll pay as little as you did for that feeder. Craigslist, facebook market place and some patience.
    Will this Lincoln work?
    Attached Images Attached Images  

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    Re: Need cheap power unit for Hobart 27 wire feeder?

    This is a hard way to go for someone doesnt have at least a rudimentary background, Buy yourself a new IM240 and get welding vs cobble old junk together.

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    Re: Need cheap power unit for Hobart 27 wire feeder?

    Quote Originally Posted by Sberry View Post
    This is a hard way to go for someone doesnt have at least a rudimentary background, Buy yourself a new IM240 and get welding vs cobble old junk together.
    Glad I could get your approval! As stated in the opening post I will be buying a new welder to upgrade my current welder that is currently welding fine. I actually enjoy fixing up old junk as well as to try and learn something along the way and then maybe someday I won't be less than rudimentary.

  9. #9
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    Re: Need cheap power unit for Hobart 27 wire feeder?

    Quote Originally Posted by Sberry View Post
    This is a hard way to go for someone doesnt have at least a rudimentary background, Buy yourself a new IM240 and get welding vs cobble old junk together.
    That's a surprising comment coming from someone that runs a business cobbling junk into what you need.
    Last edited by vwguy3; 10-26-2021 at 12:47 PM.

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    Re: Need cheap power unit for Hobart 27 wire feeder?

    Quote Originally Posted by straightaxle65 View Post
    Glad I could get your approval! As stated in the opening post I will be buying a new welder to upgrade my current welder that is currently welding fine. I actually enjoy fixing up old junk as well as to try and learn something along the way and then maybe someday I won't be less than rudimentary.
    That looks like it should work ok. The biggest obstacle will be if the control voltages don't match.

  11. #11
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    Re: Need cheap power unit for Hobart 27 wire feeder?

    Thanks for the reply vwguy. Does anyone here have a Hobart 27 manual? I've searched the interweb with no luck.

  12. #12
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    Re: Need cheap power unit for Hobart 27 wire feeder?

    This cobbler knows its a CC machine.
    I agree it can be a good learning experience. Nothing wrong with that.
    Last edited by Sberry; 10-27-2021 at 09:12 AM.

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