Trail welder you can make yourself.

[MaXXis85]

Yes you can make welding repairs with this simple procedure. It utilizes 2 or 3 automotive batteries as your power supplier. You n eed to supply the rods and the leads to make this happen, but most of us have jumper cables and wire lying around somewhere to use. Read this article on 4x4wire and you will understand it fully.
http://www.4x4wire.com/isuzu/minutemods/welder/

http://www.4x4wire.com/isuzu/minutemods/welder/welddiag.jpg
http://www.4x4wire.com/isuzu/minutemods/welder/welding.jpg