489ZRDAX-V5XK PTO Power Take Off 8 Bolts. Brand new deep mount Chelsea Pto, truck dumper pto, Power Take Off Chelsea replacement number: 489ZRDAX-V5XQ model 8 bolts with output option: SAEB option 2 or 4 Bolts 7/8″ 13T. Including gaskets, stud kit, regulator valve and signal wire. Deep mount. Feel free to call for your pto’s set up needs and price.