ZF AS Tronic

ZF AS Tronic is a semi-automatic/manual transmission made by ZF Friedrichshafen for the motorcoach and lorry market in Europe and North America which was first introduced in 2003.[1][2] To the driver, it behaves like an automatic transmission, but allows the driver to switch from a manual mode with a touch of a button. Note though, it takes longer to reach full speed on a bus with this transmission than it does with a bus equipped with, say, an Allison B500R automatic transmission.

As it is in part a manual transmission, it lacks the torque converter that is standard on automatic transmissions-an AS Tronic has been quoted as being 500 pounds less than the B500. Some coach operators are choosing this transmission for better fuel economy over automatics.

This transmission is offered as a 6-speed(called AS Tronic Lite by ZF), 10-speed[3] 12-speed or 16-speed transmission.

References

  1. ↑ "ZF's AS Tronic Transmission Moves into High Gear" (PDF). BusMag. Retrieved 11 July 2012.
  2. ↑ "Terberg and ZF launch ZF AS-Tronic MID in Terminal Tractor". Terberg Benschop. Retrieved 11 July 2012.
  3. ↑ "Test Driving the J4500 and ZF AS Tronic Transmission" (PDF). BusMag. Archived from the original (PDF) on May 17, 2008. Retrieved 11 July 2012.
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