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PB: As far as hardening it, you might just make it brittle, and cause it to crack. That bar is malleable iron, not much chromiun, not much vanadium (both add strength for their respective weights. About all you can do is to weld-up a sleeve out of channel iron, which could help. I can relate, though, about how flexible those 70 drawbars are. My older brother was getting married, and he had bought a used mobile home (back when we called them house trailers ), and he asked my dad if the 70 would move it from a lot across town to the new trailer park. Well, with a ball in the drawbar hole, away they went. My brother was cranking the trailer onto the 70 and not paying much attention, the drawbar was bent right down (a good 6-8" !@) as the weight of the trailer sat on it. Mt Dad was pretty quick on the think, and since he had the cultivator lift arms on the rockshaft, he tossed the log chain around one arm, loop around the drawbar, and up and around the other arm. He raised the arms, tighened the chain, the drawbar came up to the correct "altitude", and away they went. That drawbar still has a very slight wiggle in it, but you'd only notice it if I told you this story....and I'm going to let that little wiggle in there because it when I see it, I always smile. Frank
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