New Holland discbine's

Looking for more information about the changes that have been made to them throughout the years. Like what's the difference from the 411/415 to the 1409/1411 and then to the current models. Can you retrofit the shock Pro hubs onto the 1411? I'm looking to upgrade to a 10' discbine and have a great new Holland dealer close by. Cut about 500 acres a year and have 80ish horse tractors. Tried a 7230 and love it, just might be to much for this next year. Thanks

New Holland discbine's