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John Deere also promotes the GREEN FIT retrofit solution for using its AutoTrac system on third-party vehicles. This is a collaboration with German specialist in guidance retrofit solutions, Reichhardt.

What is the most striking detail of your system?
The system can easily be moved between different machines/platforms and has an automated calibration process. Dust and moisture resistant for use with an open station tractor; available as entry-level solution with possibility for later upgrade (e.g., to higher receiver accuracy or additional features like section control).

How is it fitted?
Installation is done by a John Deere dealer. Installation time depends on platform and integration level.

Can it be fitted on pre-installed or factory fitted vehicle components?
Yes, John Deere “GreenStar ready” harnesses and components can be used.

Can you take the system to another vehicle?
The guidance retrofit hardware is fully integrated into the machine. Receiver and display are easily demounted if not used.

What happens if satellite or correction signals lack or fail?
“RTK Extend” offers up to 14 days of RTK accuracy without new RTK correction signal (e.g., if signal is interrupted due to poor cellular coverage). The use of multiple GNSS in parallel (e.g., GPS, GLONASS…) allows for better system stability as it reduces shading issues.

What patterns are available?
Straight tracks, AB-curves, adaptive curves, circle tracks, boundary tracks. In addition: straight tracks with access pattern for specialty crops etc. Multiple boundaries per field possible (driven or based on headland), marker/flag in adjustable categories available.

How often and at what costs is the software updated?
3 times per year, software update available for free.

Which licenses/unlocks are available and at what costs? Receiver upgrades from SF1 (15 cm path-to-path accuracy, free of charge) to SF3 (3 cm accuracy, 9-month repeatability) to RTK (2 cm accuracy, repeatable). Display comes with documentation, VRA and wireless data transfer (hardware for wireless exchange necessary) in base, additional activations for different customer needs available. For price information please contact local dealer.

Company name and nationalityJohn Deere (USA), Reichhardt (D)
Product nameAutoTrac + GREEN FIT
Suitable brands and tractor/vehicle modelsNumerous
Technical requirements for tractor/vehicle12V electric, hydraulic steering system
Which global satellite systems does it support as standard?GPS & GLONASS
What type of terminal(s) are available?Gen4 4240 or Gen4 4640 Universal Display
Terminal size(s) (inch)4240: 8.4”, 4640: 10.4”
Type of display/screenBoth: touch screen, lcd
Is it waterproof/water resistant?4240: waterproof, 4640: in-cab installation only
What application map and data formats does it support?Rx maps in ESRI Shape file format
Is your solution Isobus compatible?yes
Can you engage autosteer with a button on the tractor arm rest/joystick?yes
Is it capable of doing autoturns on headlands?No
Can it control/operate sections of sprayers, seed drills, etc?yes, via Isobus up to 255 sections
Possible minimum and maximum driving speeds with autosteer engagedmin. 0,1 km/h, max. 37 km/h (depending on platform)
Main components autosteer systemDisplay, receiver, platform specific GREEN FIT kit and harnesses
Rough retail priceDepends on retrofitted platform, for price information customers should reach out to local John Deere dealer

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