Posted 1/16/2013 11:35 (#2826932 - in reply to #2826317) Subject: RE: Does John deere reccommend a fuel additive for the new 8R & 7R?
Manitoba, Canada
Had injector trouble on 6420 at around 1200 hours. I was told to use JD additive. I have put it in the bulk tank ever since and have had no more problems. It is much cheaper than having to replace injectors.