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Allison Transmission 3000 Series User Manual

Allison Transmission 3000 Series
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deeperreverseratio.Duringcertainoperatingconditionsthecontrolsystem
mayinhibittransmissionoperationorrangeshifts.
4.1.1USINGKEYPADPUSHBUTTONSHIFTSELECTORTOSELECT
RANGE.RefertoFigure4–1.
RREVERSE:selectsR(Reverse)gear.
NNEUTRAL:selectsN(Neutral).TheareaaroundtheNbuttonisa
raisedridgesothedrivercanidentifythepushbuttonsbytouch,without
lookingatthedisplay.Itisnotnecessarytopressthisbuttonpriorto
startingthevehicle.
DDRIVE:selectsthehighestavailableforwardrange.The
transmissionshiftstothestartinggearandwillautomaticallyupshift
throughthegears,asoperatingconditionspermit,untilthehighest
availablegearisattained.
DDRIVE(Primary(ROAD)ModeOFSModels):selectsthehighest
availableforwardrange.Thetransmissionshiftstothestartinggearand
willautomaticallyupshiftthroughthegears,asoperatingconditions
permit,untilthehighestavailablegearisattained.
DDRIVE(Secondary(RIG)ModeOFSModel):goestotherange
setinthecalibrationsetforstationarymode.
4.1.1.1USINGUPSHIFTANDDOWNSHIFTARROWBUTTONS
The(Upshift)and(Downshift)arrowsareusedtochangetherange
selectedtoahigherorlowerforwardrange:
Onepressofthe(Downshift)arrowsetsrangeSELECTtothesame
forwardrangeasthecurrentforwardrangeattainedshowninthe
MONITORpositiononthedisplay.Thistypeofpreselectiscalledan
ExpressPreselect.
Eachsubsequentpressofthe(Downshift)arrowdecreasestherange
selectedbyonerange.
Onepressofthe(Upshift)arrowincreasestherangeselectedby
onerange.
Ifthe(Upshift)or(Downshift)arrowisheldcontinuously,theselected
rangewillcontinuetochangeupordownuntilthebuttonisreleasedor
untilthehighestorlowestpossiblerangeofgearsisselected.
NOTE:Pressingthe(Downshift)arrowwhileinR2(Standard
Reverse)willselectR1(DeepReverse)inselect4700/4800model
calibrationswhenthevehicleisstopped.
45

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Allison Transmission 3000 Series Specifications

General IconGeneral
TypeAutomatic Transmission Controller
Control ModuleIntegrated
Shift Energy ManagementYes
Number of Gears6
Torque ConverterYes, with lock-up clutch
RetarderOptional
PTO ProvisionYes
Input Voltage12V or 24V
Communication ProtocolSAE J1939
Operating Temperature Range-40°C to +85°C

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