XK) 9 Quadra-Trac I (WK, XK) 10 Jeep BTCS 11 Freedom Drive 11.1 Freedom Drive I 11.2 Freedom Drive II Command-Trac Introduced along with the Jeep Cherokee (XJ) in 1984 , Command-Trac was standard on XJ models built with 4WD. This system offers a basic "shift-on-the-fly" transfer case, for manual ease and