Section 1680 (BW44-46 Transfer Case - (Service Information) - 2500 Hd): Description: Notes
WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
The BW 44-46 is an electronically controlled active part-time transfer case.
The low range provides a 2.64:1 reduction ratio.