3
AS TRONIC GEARBOX
General CF65/75/85 series
1-4
Type designation of AS Tronic gearbox
Example of type designation 12 AS 2330 TO
12 = 12 gears
AS = automatic gear change
2330 = maximum input engine torque
2331 = version with intarder
T = used on trucks
O = Overdrive version (D = Direct
drive)
A. Integrated front-mounted range box
This is a front-mounted range box
accommodated in the front gearbox housing.
Using an additional set of gears, the auxiliary
shafts of the main box can be driven by two
different ratios. In this way, each gear in the
main box can be engaged in a low or high ratio
or split into two. The number of gears in the
main box is thereby doubled. The front-mounted
range box has been synchronised so as to
restrict the number of times the transmission
brake is activated.
B. Main box
The main box consists of three or four forward
gears and one reverse gear. The main box has
not been synchronised; synchronisation is
effected by means of the transmission brake and
UPEC. The splitter and rear-mounted range
boxes are synchronised.
C. Planetary rear-mounted range box
This is a gearbox mounted against the rear of
the main box, consisting of a planetary gear
wheel set.
Using this set of gears, all gears of the main box
can be used once with the rear-mounted range
box in a low ratio and once with the
rear-mounted range box in a 1:1 ratio.
The number of gears in the main box is thereby
doubled.
14
ᓻ 200337
https://www.truck-manuals.net/
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