Would be worth talking with your Case IH or New Holland dealer. Converting it to the Raven ISOBUS RCM is probably doable with the Raven Aircart/Generic Applicator cable assemblies. 

Would also be worth discussing possible trade in options that might be available
https://www.mycnhstore.com/us/en/caseih/precision-offers-caseih
https://www.mycnhstore.com/us/en/newhollandag/precision-offers-newhollandag