ZF S6-650 transmission

The ZF S6-650 is a 6-speed manual transmission manufactured by ZF Friedrichshafen AG. It is designed for longitudinal engine applications and can handle up to 520 ft·lbf (705 N·m) of torque.

General Motors used the S6 as RPO ML6.

Gear ratios:

1 2 3 4 5 6 R
5.79 3.31 2.10 1.31 1.00 0.72 5.23

Applications:

  • 2001–Present Ford Super Duty F-250 to F-550
  • 2004–2005 Chevrolet Silverado 2500HD and 3500
  • 2004–2005 GMC Sierra 2500HD and 3500


See also

  • List of ZF transmissions