Hello Dave and

. We are glad to have you join us here and we look forward to reading of your adventures and experiences. I am sure you will enjoy the website and forums. Good luck, stay safe and keep us posted.
Dave, let me ask, what brand of hydraulic leveling system does the coach have presently?
You should be able to contact the manufacturer of the system for info on this type of retrofit. It will not be inexpensive; my guess about $3500.