Where will it all end? According to Stefan Sommer, CEO of transmission maker ZF, nine is the ultimate endgame. How many is too many? When you're talking the number of ratios offered in automatic ...

Eaton Cummins Endurant XD and Endurant XD Pro automated manual transmissions are now available for Western Star 47X and 49X and the Freightliner 114SD PLUS model trucks. ZF’s PowerLine 8-speed ...

So, clearly, Ram is trying to get ahead of Ford. Ram HD trucks could also get a new ZF Powerline eight-speed automatic ...