Overdrive Manuals

Overdrive is a sub-category of Transmissions for overdrive units, which add a higher gear for lower engine speed at cruising speed. The 1949 instruction manual here covers the Borg-Warner Warner automatic overdrive.

The Borg-Warner Warner Automatic Overdrive Instruction Manual covers the post-war R-10 and R-11 units used on Ford, Mercury, Lincoln, Nash, Hudson, Packard, Studebaker, Kaiser, Frazer and Willys cars, with 1949 wiring. Restorers and mechanics working on postwar cars with this overdrive will find the service and wiring information useful.