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| You can update with a new EPROM in the SSU to get the steering sensitivity on the GreenStar display, it will also be RTK and GS2 ready. The 8xx0T kit is PF90374 and 9xx0T is PF90373. The John Deere solution number is 62264, ask you John Deere dealer. The EPROM kit can only be put on autotrac ready ssu and a TCM. It will have autotrac forwards to 18 mph, reverse and neutral. I did it to a 8520T and worked great. | |
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JD 8420T autotrack problems ??
