John Deere Original GreenStar Display (Brown Box) — AutoTrac Key Card (Used)

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Used John Deere original GreenStar display — the “Brown Box” — with mobile processor and loaded AutoTrac key card, farm-tested before it ships. The display that started precision f arming, still running auto-steer on older John Deere tractors and combines today.Works with: the original GreenStar guidance system on compatible older John Deere machines, paired with an original brown-box GPS receiver.Best for: keeping an older machine on AutoTrac without a modern-display upgrade — a low-cost entry into hands-free guidance.Farm-tested in Frankfort, Indiana · 60-day money-back guarantee.Call or text 765-490-1824 — a farmer answers. Show more