ZF AS Tronic is an
automated manual transmission
The automated manual transmission (AMT) is a type of transmission for motor vehicles. It is essentially a conventional manual transmission but uses automatic actuation to operate the clutch and/or shift between gears.
Many early versions of t ...
made by
ZF Friedrichshafen
ZF Friedrichshafen AG, also known as ZF Group, originally ''Zahnradfabrik Friedrichshafen'', and commonly abbreviated to ZF (ZF = "Zahnradfabrik" = "Cogwheel Factory"), is a German car parts maker headquartered in Friedrichshafen, in the south- ...
for the
motorcoach
A coach (or coach bus/motorcoach) is a type of bus built for longer-distance service, in contrast to transit buses that are typically used within a single metropolitan region. Often used for touring, intercity, and international bus service ...
and
lorry
A truck or lorry is a motor vehicle designed to transport cargo, carry specialized payloads, or perform other utilitarian work. Trucks vary greatly in size, power, and configuration, but the vast majority feature body-on-frame construction ...
market in Europe and North America which was first introduced in 2003.
As a part of manual transmission, it lacks the
torque converter
A torque converter is a type of fluid coupling that transfers rotating power from a prime mover, like an internal combustion engine, to a rotating driven load. In a vehicle with an automatic transmission, the torque converter connects the power ...
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 6-speed(called AS Tronic Lite by ZF), 10-speed
12-speed or 16-speed transmission.
References
External links
*{{Official website, http://www.zf.com/corporate/en/products/product_range/buses/buses_coach_astronic.shtml
AS Tronic