VisionWorks Cameras for all Ag Equipment, Construction Machinery, RV's and Trailers. Stevens Tractor carries cameras in a 5", 7" or 10" monitor size, with a state-of-the-art camera system. Wiring harnesses are available for all types of installations, even wireless setups. Call Stevens Tractor Company and find out more about the VisionWorks cameras that can save you time and money!