Roll bar or wheel rake

Looking for a rake big enough to rake 2 12s mostly for silage hay.Use a John Deere 2755 to rake with,don't know much about Vermeer or John Deere rakes.Seen a milco 12 wheel rake on tractor house and says it will work for silage hay don't know would like to be able to adjust raking and Windows with

Roll bar or wheel rake