I have welded a lot of truck frames and never had one crack either,but I have had welds made with 7018 crack on other stuff.7018 is the right rod for truck frames.On other stuff like high carbon steel used in newer cars and farm machinery it will crack.Also on newer trailers like steel hopper bottoms and stuff like that,it will crack.Not always,but sometimes.When it does if you V it and weld it again it probably will last.That brittle steel is harder to weld with 7018.I think 6011 might work better on that stuff if done right,but it can crack too. Even heat treated truck frame is weldable with 7018,and it can and does crack,because I drove a truck that had the frame crack where it was welded,but I didnt weld it,it came that way bought used.It was fixed by an Army welder and he used 7018 and the truck is still being used by a farmer around here.
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Today's Featured Article - Upgrading an Oliver Super 55 Electrical System - by Dennis Hawkins. My old Oliver Super 55 has been just sitting and rusting for several years now. I really hate to see a good tractor being treated that way, but not being able to start it without a 30 minute point filing ritual every time contributed to its demise. If it would just start when I turn the key, then I would use it more often. In addition to a bad case of old age, most of the tractor's original electrical system was simply too unreliable to keep. The main focus of this page is to show how I upgr
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