Tractor cams can be difficult to work with due to their wide angle field of view. It's often difficult to mount them where they can be used for specific work operations. To get around this problem, I made my own portable camera setup which allows them to be placed wherever necessary, even in fixed locations off the tractor itself. See this post for details:
I have a fairly cheap wireless camera system I use on one of my tractors. I occasionally need to use a camera on other equipment as well. Rather than buy multiple cameras, I converted the one I have into a portable rig. Although the camera video is wireless, both camera and display require...
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When not in use, I keep the cameras in a case behind the tractor seat.