Allison Transmisions
2006 Allison 1000 Series transmissions are leading the industry with first-in-class six-speed automatic.
The 1000 series transmission was previously rated for 565 lb.-ft. torque input, and that level is raised to 650 lb.-ft. for 2006.
A first-in-class tap-shift range selection function has been added to the Allison 1000 six-speed.
Range selection mode allows the driver to select the desired gears, via a thumb-activated switch on the shifter,
providing a feeling of enhanced control in unique driving situations, such as towing on a steep grade.
The range selection feature holds the gear pre-selected by the driver and electronic safeguards prevent
the transmission from being shifted in a manner that could cause engine damage or loss of vehicle control.
Grade braking and cruise grade braking are available only when the tow/haul mode is selected and the
transmission is not in the range selection mode.
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