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Old 09-20-2006, 06:45 PM
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Miller welder

There is a Millermatic Challenger 172 welder for
sale from a local guy. He said it was about 4 years
old and don't use it that much anymore. He said he
put a new liner in the gun. He wants $400 and has
no gas bottles. Has anyone use one of these and is
this a resonable price.
I seen on the internet that this model self adjust
the voltage? Any input would be apreciated

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Old 09-21-2006, 02:29 AM
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Quote:
Originally Posted by 49dream
There is a Millermatic Challenger 172 welder for
sale from a local guy. He said it was about 4 years
old and don't use it that much anymore. He said he
put a new liner in the gun. He wants $400 and has
no gas bottles. Has anyone use one of these and is
this a resonable price.
I seen on the internet that this model self adjust
the voltage? Any input would be apreciated
So - no bottle no regulator I assume?

What are you going to be using the machine for? Do you have 220v?

A New Miller 135 costs roughly 450-650 and does sheet metal nicely and can weld up to 3/16 using 110v

A New Miller 175 costs roughly 700-1000.00

If you have to buy a regulator and a bottle I know the bottle will be 125.00 and up alone.

If the welder you are asking about was used heavily I'd probably wait and save your money to buy a new one. For just a few dollars more you'll get a new machine and a warranty.

If the welder was never used and is clean and new looking 400 is probably a fair price and worth the risk of not getting a warranty.

So in the end I guess a lot of the decision is your comfort level on having a warranty on the machine or not...
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Old 09-21-2006, 06:12 AM
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I concur with the suggestion to save your money and buy new, and also buy larger than you think you will need, you will not regret it. I absolutely enjoy my Millermatic 175 welder. I am so glad I decided to go with the 175 amp 230 volt model vs the 135 amp 120 volt model.

Vince
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Old 09-21-2006, 08:57 AM
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well, for some perspective, i bought a miller 250, heavily used, for $500. it works like a charm, no bottle, but it came with a large spool of wire already in it.
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Old 09-21-2006, 09:02 AM
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I would look at these things. What did the guy use it for? was it in a production shop or a home shop?
If he only used it at home then he probably never even came close to the capacity of that welder.

Check the cooling fan. If it has a big buildup of crud on the blades that would indicate it was on for long periods in a dirty enviroment. Welders are designed to be exposed to that stuff, but you can get an idea of the mileage.
No bottle may just mean that the guy rented his tanks. Regulators are cheap.
Look at the gun, is it all beat and is the gas nozzle fit loose? that is a milage indicator also.
I have put 3 liners in my mig in the 16 years since I bought it. I put the first one in fairly early because I abused the cablehose, so the fact that he changed the liner may or may not indicate anything significant.


Make some welds with it or have the guy make some welds with it. Spring for a 2# roll of flux core wire if you have to. If it welds then you should be good to go.


If those things show normal wear, and it welds, then I'd go for it. 400.00 is a good price for a good welder.
There is not much that will go wrong with a Miller that can't be fixed for way less than the difference in price you are paying for it and the new cost. And parts are available everywhere.



I'd stay away from a 120 volt machine. The duty cycles are low (20%) and welding anything bigger than 1/8 is not satisfactory. It can be done, but the better punch that the bigger machines give is worth it. I have a lincoln sp100 that I keep loaded with .023 wire for sheetmetal work, but I won't weld anything bigger than 12 gauge with it.

Later, mikey
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Old 09-22-2006, 06:42 PM
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If I could get a used in good condition 175 for less than a 135, I'd jump on it! I've had a 135 for about 15 years now, it is a superb little machine, but it's capacity is limited. A 175 or 250 is really a much better machine for general fab work. The 135's are pretty much maxed out at 1/8", and you'll likely have enough misc 1/4" plates to want a bigger welder.

Miller makes great machines, you can't go wrong if it's good shape.
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Old 10-03-2006, 06:34 PM
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Well it took me a while to post back but I did buy this welder.
It was in excellent shape and had 2 spool of wire with it.
I used it last night and worked like a charm. Thanks for the inputs
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