they are not different all you do is take out the pto shaft, take off the rollamatic or the empty slot and put in the hydraulic unit. however some things need to change, if the area never had anything there is a plate that blocks the pump. also if there was nothing there before the hydraulic unit the shifter lever from the empty slot doesn't work with the hydraulic unit base plate, and i don't know if the lever from a rollamatic is the same or different from a hydraulic shifter lever.
Re: Hydraulics on 77 in reply to jordan hackman, 08-26-2013 09:53:37
You said: also if there was nothing there before the hydraulic unit the shifter lever from the empty slot doesn't work with the hydraulic unit base plate. The shift levers are the same. The socket the shift lever sets in is different. The one for a hydraulic unit will have an A behind the casting number.
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