Dana
Corporation has introduced a new torque transfer technology, (TXT) axle differential
which offers improved torque management in all-wheel-drive passenger vehicles
with a space and weight-saving design.
Dana claims the TXT unit is the first axle differential to offer a cost-efficient
solution for improved handling for all types of vehicles, saying that its space-
and weight-saving features are particularly relevant in today’s market with
the increasing demand for all-wheel drive passenger cars and crossover sport-utility
vehicles.
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TCT can be mounted on either axle to transfer torque front to rear, or rear
to front. It will also be available with electronic controls and can be combined
with Dana’s side-to-side Hydra-Lok differential to offer a torque-control package.
The hydro-mechanical technology incorporates an open differential with a hydraulic
pump and clutch system that detects wheel slippage and progressively transfers
torque to the non-driving axle. Dana says TXT is unique because it is completely
contained within the axle and does not require a torque-coupling device, saving
under-body space and reducing weight. Its location in line with the half shafts
also eliminates the unbalance vibrations typical of heavier, more complex designs.
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