I am considering buying a 1994 B7100 4x4 HST. I want to move the loader on my current 1974 Kubota B7100D 4x4 6 speed manual to the 1994 Kubota. Does anyone know if they changed the loader mounting holes, etc in the 1994 vs 1974, or can I simply unbolt and rebolt loader to the newer tracter. The...