will home generator run welder?????

   / will home generator run welder????? #1  

jwnge

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Joined
Nov 25, 2004
Messages
314
Location
oak woods and rocks of Wi.
Tractor
Mahindra 2015 HST-- Snapper 1650, Snapper 1438
thats my question. I am thinking about buying a generator and am wondering if it would run an old Lincoln. I am thinking 9000 watt Powerhorse. I have220 but it would be a major pain to run it to my garage. thanks, John
 
   / will home generator run welder????? #2  
Whats the actual power rating of your welder?
The makers tag on it should give you a max amp figure.
Kilowatts = Volts (220) X Amps from makers tag divided by 1000. See what figure in Kw you get
Handyman and hobby welders normally draw about 3 to 5 Kw at 220 volts.
Heavier duty welders will take more but a 9kw system should be fine.
 
   / will home generator run welder????? #3  
Why not buy a combination welder and generator , I know they cost a bit more.

Craig Clayton
 
   / will home generator run welder?????
  • Thread Starter
#4  
It is a 225 amp Linkwelder, it is pretty old, copper inside instead of aluminum. I think I have heard them referred to as tombstones.
 
   / will home generator run welder?????
  • Thread Starter
#5  
I have the welder now and the generator is $750, figured this would be the cheapest way to go. I don't plan using the welder much anyway. I need a new wear bar welded on my tractor and the dealer said $400 to do it, so just think of doing it myself to save money and apply it to the gen. which I want for electric outages anyway.
 
   / will home generator run welder????? #6  
9000w is about 40a on the 220v line

considering you probably won't be running at max setting, but rather somewhere between 90-110a setting for alot of homeowner stuff.. should run it find.

my 12.5kw genny runs my hobart 235xl fine.. again.. I run about 100a setting mostly
 
   / will home generator run welder?????
  • Thread Starter
#7  
Thanks, really what I needed to know, I just looked on the front and it does have a chart, it takes 50 at its highest setting, 225, I will stay under to be safe.
 
   / will home generator run welder????? #8  
From what I've heard in other threads the answer is yes it will let you weld, not sure how many amps you will get, but my guess is maybe even up to 150amps.

One thing you wont run is a compressor like mine, which says it's 5 HP but that is disputed by today's ratings. It's plugged into a 120 volt 20 amp outlet and never tripped the breaker.
But my 10kw pto genny wouldn't start it unless there was no pressure in the tank, if it's full and drops below the 85 psi on pressure it wont restart :confused2:

Don't know how it's start up requirement could be higher than the pto genny is capable of, which is supposed to be 2 times the 10 kw ???

JB
 
   / will home generator run welder????? #9  
JB4310 said:
One thing you wont run is a compressor like mine, which says it's 5 HP but that is disputed by today's ratings. It's plugged into a 120 volt 20 amp outlet and never tripped the breaker.
But my 10kw pto genny wouldn't start it unless there was no pressure in the tank, if it's full and drops below the 85 psi on pressure it wont restart :confused2:

Don't know how it's start up requirement could be higher than the pto genny is capable of, which is supposed to be 2 times the 10 kw ???

JB

This is odd. Sounds like there is another problem that for what ever reason is not showing up when connected to electric service. Hum...
 
   / will home generator run welder????? #10  
remember.. the wattage for a genny is half on each leg of 220.. thus a large load like a 20a load on 120 is big. and some large motors can take 2-5x their run rating to start.
 

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