A little off line here but having in a fit of enthusiasm of a clean up I sold my big arc welder.
Then I had a job to do on the caravan and after trying to unsuccessfully fabricate what I wanted I lashed out and purchased a new inverter digital electric welder, very small, low current and a dream to use for those lighter breakdown type urgent jobs
Runs off a 10 amp 230 so I believe that most small generators would run it. I run mine off the normal house 5 amp socket
I know that you can't carry everything you need when going bush but there is new technology available
Comes in a box no bigger than a power drill case Ebay