Been there, tried everything but WD-40... If the plow is to be inside, used crankcase or transmission oil works fine. But it gathers dust, dirt, seeds, and bugs. Looks kind of bad but cleans up rapidly. Stringy wheel bearing grease works too, probably better than a modern gun grease, but still only inside. I've been using CT soft coat on and off for a few years. Might not next year because it didn't keep the plow shares and moldboards from rusting on plow and plow parts sitting outside in central Iowa. Their red paint for MF red did a lot better a couple years back when I couldn't find my can of soft coat and a thunderstorm was approaching as I finished plowing. It kept the plow from rusting but didn't scour off rapidly. Though it had a fairly slick finish that dirt didn't stick to horribly bad. Slip plate would be interesting, though I saw a couple gravity box bottoms that were new two years ago that where the slip plate was worn through and the steel was rusty. I'll try to keep slip plate in mind since I have to keep some on hand for the planter drum seal anyway. Gerald J.
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