Well, I didn't get a chance to meet the guy yet, but I talked to him, and he said it's a Max43, not a 43R. He said it had been wired into a big welding cart, so it needs a plug, but besides that, it's good to go. He did say it requires 208-240V. I don't know anything about electricity - is 208-240 the industrial 3-phase stuff, or is this like an acceptable voltage range? Basically, would a normal 240 outlet work with this thing? I'm going to try to meet the guy tomorrow and see what other info I can get on it.
Chris