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4420 Sprayer and autosteer
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JHEnt
Posted 11/18/2012 18:55 (#2704484 - in reply to #2704167)
Subject: Re: 4420 Sprayer and autosteer


Southern Illinois
The Cf750 can run the NAV2 only if it has the Trimble firmware loaded. Then it is normally used with the Trimble platform kit not factory autosteer functions. The potential issue could be the steering angle sensor and override sensor used. The CF750 may be able to be set up with any combination of these while CNH has programmed the Pro600/700 to only work with specific types when machine specific software is running. For instance 2WD tractors use a potentiometer for steering angle while 4wd and sprayers use a yaw type sensor. Sprayers use a pressure switch for steering override while 4wd tractors use a pressure sensor with variable voltage output. CNH did this specifically so you could not use autosteer without the correct machine specific software running.If it is flashed with CNH firmware then you can only run autosteer with the Pro600/700. I believe there are a few Trimble service centers that can reflash the firmware from one type to the other. Otherwise you need to buy the NAV2 controller with whatever system you want to run it with.It may be possible to use the CF750 as a CAN gps source for the Pro600 to run autosteer. Otherwise you need a 252, 262, 372, or 162 with autosteer unlocked.
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