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I have 20 Miller Dynasty 700's for sale

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9.4K views 17 replies 14 participants last post by  filetobeef  
#1 · (Edited)
I bought these from a prototype company. I am keeping a couple for myself and selling the rest.

The units were used in water purification trailers. Each trailer had 5 units, and they were used for converting AC power to DC to power their equipment. Ranges of time on units I've seen have been from 70 minutes to 200 hours. They are all super nice and like new!

$7,500 each. Located in Detroit, MI.

Can Ship

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#3 ·
Yes. Location and serial numbers. For the price asked they better be "Blue Lightning" versions.
 
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#5 ·
Im just north of Lansing, wish I had the Money they do look to be in great shape.
 
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#7 ·
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#8 ·
There's no warranty on these (Miller's warranty is not transferable), and they are missing the matching coolers. $7500 doesn't seem right, since that could by you a brand new Dynasty 400 with a warranty for less money than that. I really wonder how many people need the extra 300 amps? I did a real quick google search and the last couple of these to get sold went for between $3000 and $4000. If I am going to spend more than $3-4K on something like this, I want the warranty. Other folks might have a different break point to their analysis especially if they really need all 700 amps. But I am guessing you need to lower the price if you want to unload all 20 of them.
 
#9 ·
I'm wondering how much Darkostoj paid for them......

even at 500 bucks a pop,
thats 10k $$$

somebodys looking for a big payday....... OR they got their pants pulled down. :laugh:
 
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#10 ·
I agree with Louie .That is definitely alot of machine For a typical shop. Spending big $$$ on a no warranty ( if true ) machine is definitely Vienna be tough to sell. IF you need that capacity it may be different but I would not do it.
Many sellers with small hobby machines try to sell just below cost of a new one. Buying new with a warranty definitely has its advantages. I have been on shutdowns where banks of new Millers were brought in. These machines ran daily 24 hours a day and weren't turned off until end of job.
 
#11 ·
It seems like these were used as DC rectifiers for process equipment. In old auction results they sold for a few grand, that was when the 700 was still the top line machine. As they sit they are probably worth about the auction price IF someone needed the capacity.
 
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#15 ·
I read opinions, consideration and facts; you got 'negative posts' out of them; think of it as a different perspective, often "sellers glasses" are like "beer goggles".

Can anyone explain if the way these welders were used has a negative effect on them. For example I have heard you don’t want to run inverter type welders on carbon arc torches. If these were used as power supplies were they loaded up to 100% and left to chug away? Just curious for any future finds
That was my first thought... any input?
 
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#13 ·
Can anyone explain if the way these welders were used has a negative effect on them. For example I have heard you don’t want to run inverter type welders on carbon arc torches. If these were used as power supplies were they loaded up to 100% and left to chug away? Just curious for any future finds
 
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#17 ·
My thought was pretty similar to others. Way too much to ask for those. Wondering if the 5 he sold were full asking price. But id think that yes the way they were used was not the healthiest means. Prob ran full bore for hrs on end
 
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