I have seen roll pins used for many years in Claas combines with no problems whatsoever. They were used to hold sprockets on elevator chains and universal joints to shafts. There were even one holding the main drive pulley from the engine to the gearbox.
The thing we were always taught was the spilt goes towards the load, when the pressure comes on the split tends to widen and lock the pin tighter whereas if the load is on the side with the split 90 degrees to it, the pin will close and drop out.
In high load applications, a smaller pin can be driven into the main one to help stop it collapsing.
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Today's Featured Article - 12-Volt Conversions for 4-Cylinder Ford 2000 & 4000 Tractors - by Tommy Duvall. After two summers of having to park my old 1964 model 4000 gas 4 cyl. on a hill just in case the 6 volt system, for whatever reason, would not crank her, I decided to try the 12 volt conversion. After some research of convert or not, I decided to go ahead, the main reason being that this tractor was a working tractor, not a show tractor (yet). I did keep everything I replaced for the day I do want to restore her to showroom condition.
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