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1998 855 tractor won’t stay running

2.9K views 6 replies 4 participants last post by  coaltrain  
This might be way off in left field...I know nothing about the 855..

But in your original post it sure sounds like the V4 diode problem that plages the 2305/2320/2520 tractors and possibly others.

This video shows the symptoms of the bad diode and the fix. Maybe check your schematic to see if any of these diodes exist on your tractor.