thank you a lot Jim, i have the same problem in my ford new holland 7840. now i know how to fix it.
Martin
September 2013
no
mageto ochanda
February 2010
yes
joshua mageto
February 2010
Broken fan belt or faulty alternator,tractor picks up engine rpm from "W" connection on alternator and for safety reasons it wont allow pto,edc or transmission to function unless it reads engine rpm.Most dealers are helpful and will give you copy of error codes.
jim
February 2008
I can answer this question...
can I download NH 8340 tractor error codes on line?