Hey y'all, Jim here, newbie here in southern Virginia. Retired and just moved to 23.6 acres to try and start a hobby farm. I have a new Kubota L3901 with a 70 yr old Dearborn 2 bottom plow and just got a 70 yr old Dearborn Lift-E 5' disc harrow. The plow is in service but the disc is gonna need...