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through all six forward ranges as required by loads and travel speeds. Selectingthrough all six forward ranges as required by loads and travel speeds. Selecting
a lower range (4th, 3rd etc.) limits the highest range to which the transmissiona lower range (4th, 3rd etc.) limits the highest range to which the transmission
will automatically upshift.will automatically upshift.
If a lower range is selected while moving forward, the transmission automaticallyIf a lower range is selected while moving forward, the transmission automatically
downshifts sequential to the selected lower range at maximum controlleddownshifts sequential to the selected lower range at maximum controlled
engine speeds. Downshifts will not occur until vehicle is slowed by use of theengine speeds. Downshifts will not occur until vehicle is slowed by use of the
service brakes and/or retarder.service brakes and/or retarder.
When shifting from neutral to start from a standstill, or to reverse direction,When shifting from neutral to start from a standstill, or to reverse direction,
decelerate the engine to idle speed. To move forward, select drive 'D' anddecelerate the engine to idle speed. To move forward, select drive 'D' and
accelerate the engine to the vehicle load and speed requirements. Theaccelerate the engine to the vehicle load and speed requirements. The
transmission will automatically upshift from 1st through 6th ranges as traveltransmission will automatically upshift from 1st through 6th ranges as travel
speed increases.speed increases.
With the throttle fully depressed, and the mode selection switch in the PowerWith the throttle fully depressed, and the mode selection switch in the Power
position, the transmission upshifts to the next higher range when the engineposition, the transmission upshifts to the next higher range when the engine
attains maximum rated speed, since maximum power train output is neededattains maximum rated speed, since maximum power train output is needed
under this condition. At lower throttle settings where minimum power trainunder this condition. At lower throttle settings where minimum power train
performance is required, the transmission will upshift to the next higher range atperformance is required, the transmission will upshift to the next higher range at
less than maximum rated engine speed.less than maximum rated engine speed.
Upgrades or soft spots might slow travel speed, even at full throttle, requiringUpgrades or soft spots might slow travel speed, even at full throttle, requiring
transmission downshifts to maintain maximum powertrain performance. Whentransmission downshifts to maintain maximum powertrain performance. When
this occurs, the transmission downshifts automatically.this occurs, the transmission downshifts automatically.
Shift the transmission to the next lowest range if transmission 'Hunting' or 'ShiftShift the transmission to the next lowest range if transmission 'Hunting' or 'Shift
Cycling' occurs.Cycling' occurs.
When temporarily stopped, such as for yielding the right-of-way to a loadedWhen temporarily stopped, such as for yielding the right-of-way to a loaded
vehicle, the transmission can be left in the selected range and the vehicle heldvehicle, the transmission can be left in the selected range and the vehicle held
stationary with the service brakes.stationary with the service brakes.
However, when stopped for a more extended period with the engine leftHowever, when stopped for a more extended period with the engine left
running, shift the transmission to neutral to avoid unnecessary heat buildup andrunning, shift the transmission to neutral to avoid unnecessary heat buildup and
apply the parking brake.apply the parking brake.
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