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Automatic gearbox
11.1 ALLISON 3000 SERIES
General
The Allison 3000 series automatic gearbox is fully electronically controlled. The
automatic gearbox has five or six forward gears, depending on the vehicle
configuration, and one reverse gear.
It is operated via the selector keypad. The selector keypad has a display located next
to the driver's seat and replaces the gear change lever on manual gearboxes.
The selector has the following functions:
– engaging and disengaging gears
– choosing a shift program
– display of fault codes (DTC)
The selector has the following six keys:
Selecting gears
Neutral position
No gear is engaged in the 'N' position. The vehicle is not locked in this position and can
therefore roll.
Use the park brake to lock the vehicle.
The letters 'NN' appear in the display.
D002108-2
Neutral Neutral position
Drive Automatic forward drive
Reverse Reverse
MODE Shift program selection
Ĺ Shifting up
Ļ Shifting down
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