Product Model Description
HK-1678 Oliver Tractor hitch kits.
HK-1678
Models 66, 77, 88, Super 66, Super 77, 660, 770 - Cat. I/II, (Requires one hydraulic cylinder) (Use original swinging drawbar)

Parts List Click Here
Download Manual
Oliver Tractor hitch kit model HK-16782.
HK-16782
Models 77, 88, Super 77, Super 88, 660, 770, 880 - Cat. I/II, (Requires two hydraulic cylinder) (Use original swinging drawbar) 

Parts List Click Here
Download Manual