Miller maxstar 150stl welder

I have a miller maxstar 150stl this is what I started my business with but now I have newer machines it runs pretty well and I just replaced the power cable for it with a brand new miller MVP cable so it will come with both the 120 and 240v plugs for convenience. Only cons about this machine are the fact that the I had to redo the paint job at one point because of the scratches and rust that started to form and the machine doesn't run on any 120 outlet it needs a very strong 120 connection so anything that hooks up to the fuse box directly and doesn't have too many outlets to power I used a generator 90 percent of the time on jobs so it wasn't a issue then again it has the 240v plug so it should not be an issue I also have leads for it but that would be extra $ since I use them for a different welder