this is a bit late,but just came to this page. we have ued mobile vision on out air seeders. we have pull between carts so its hard to see behind you if your machine plugs or pushes cornstalks,ect. and it works great also a bonus for road travel. would think it would be nice on a grain cart too. set it up so you can use it for road travel would be my advise hope i helped mit9750