JD 420 Hard to Start


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JD 420 Hard to Start

Jay Emerson I have an old JD 420, I believe they were built in late 50's. It has always been hard to start, in that it turns over slow. Usually after operating for a time, it becomes very hard to turn over. Often barely turning over. It will usually start but you may have to hit the starter 10 - 15 times before it turns over with enough speed to start. I had the tractor rebuilt about 10 years ago and would guess that it has maybe 150 - 250 hours since overhaul.

Thanks for any advice. Jay

scott 420s were mfd 56-58.i have a 58 that had the same problem,and it got worse after the engine rebuild.the 6 volt starting system is barely adequate at best,and they dont like cold weather or higher compression from an overhaul.i had my starter rebuilt and replaced the regulator and it starts much better. good luck!
Jay Emerson Scott, thanks for the help. Jay



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