I was cleaning the rearend of my dump truck last nite. And i noticed next to the driveshaft yoke on the rearend is a (for lack of words)a metal unit. It said, Eaton 12v. Is this a two speed rearend. If so how hard is it to hook up.


47.5 Loadmaster 5 window
48 Chevy 3600
69 GTO convertible