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Old 01-21-2014, 12:17 PM
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Default Millermatic 250 welder questions

I have found a farm equipment auction less than fifty miles from me that has a Millermatic 250 in an estate auction. The online pictures are sorta blurred a bit but it looks to be a MM 250 alright.

Any information or comments about Millermatic 250 welders will be welcomed. It is mounted on a cart with a cylinder. And it looks to be a bit dusty too.
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Old 01-21-2014, 01:02 PM
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Older unit, with adapter board I think you can run a 30A. Probably worth around $800+ in good condition.
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Old 01-21-2014, 02:14 PM
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Quote:
Originally Posted by mccutter View Post
Older unit, with adapter board I think you can run a 30A. Probably worth around $800+ in good condition.
$500-800 in good to great condition. They are not as good an arc as the
251/252 machines. They came on wheels, if it looks like a machine mounting
on something other than an integral set of wheels it is likely not a MM 250.
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Old 01-21-2014, 08:28 PM
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Quote:
Originally Posted by Shade Tree Welder View Post
$500-800 in good to great condition. They are not as good an arc as the
251/252 machines. They came on wheels, if it looks like a machine mounting
on something other than an integral set of wheels it is likely not a MM 250.
The machine struggles and shakes (Makes funny noises too) if you try to spray-arc with it. $500.00 in mint condition, is more like it. They go for more because it's blue, and some people just don't have a clue... Even Miller agrees it gave them a big black eye.. Main problem is it replaced the MM-200, and that was a real nice machine.. Vintage came out after the MM-250 as a stop gap machine until they came out with the MM-251. Vintage did have a MM-200 transformer but was never quite the machine the 200 was/is..
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Old 01-22-2014, 01:54 PM
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I had two 250s... they were good machines, but nowhere near as nice an arc as the 200... I've heard to steer well clear of the 250x too...
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Old 01-26-2014, 08:51 AM
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I've had quite a bit of experience with the 250, 250x, and 251 machines. Honestly can't tell much difference in any of them except the 250x and 251 are spool gun ready. My personal opinion is they're "OK" welders for hobby use or the occasional repair job but that's about it. They just have a very poor arc characteristic. I've been told the 252 is much better but I haven't ran any wire thru one as of yet.
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Old 01-26-2014, 09:44 AM
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I have used one for a while. I didn't see a big issue with it. It welded good, didn't break down. First machine I used with digital display. Here it would likely sell for more than $1100.
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