I'm on my second Lincoln Invertec V205-T AC/DC and they are no longer available. When I blew up my unit I was lucky to find a replacement. If I couldn't replace it I would have purchased the 210 DX in a heart beat. The reason I use the V205-T AC/DC is because of it's ability to weld 6010. The 200 D...

Just to add to this aged post, aside from the task at hand e.i. removing 1/4" corner fillets or 1 1/2" monster welds dictates how aggressive you need to be. Where you will find your most trouble is selecting a rod to large for your machine.. I use an old school Lincoln SA-250 diesel DC ma...