В чем отличия quadra track II от quadradrive ?

[senator864]

WJ transfer cases
System Case Features
1. Quadra-Trac I NV147 On-demand; utilizes a gerotor coupling for improved response; high-range only (does not include neutral or low-range positions).
2. Quadra-Trac II NV247 On-demand; includes low-range (2:72:1); single lever transfer case mode operation.
3. Selec-Trac NV-242 Full-time; two speed with shift on the fly; includes low-range (2:72:1); allows for two- or four-wheel-drive mode; full or part-time 4WD; single lever transfer case mode operation.
4. Quadra-Drive NV247 On-demand; utilizes a gerotor coupling in the Quadra-Trac II transfer case and in the Vari-Lok front and rear progressive axles to send torque to the front driveshaft and/or from side-to-side within each axle when wheel slippage occurs; includes low-range (2:72:1) single-lever transfer case mode operation.

Ссылка: http://www.wjjeeps.com/tcases.htm