New Holland WORKMASTER 40 User Manual

3-CONTROLSANDINSTRUMENTS
Differentiallockpedal
WARNING
Steeringisdifcultwiththedifferentiallock
engaged.Anaccidentcouldresult.
Duringeldoperation,usethedifferentiallock
fortractionimprovementbutreleaseforturn-
ingatrowend.Donotdriveathighspeedsor
onroadswiththedifferentiallockengaged.
Failuretocomplycouldresultindeathorse-
riousinjury.
W0292A
Thedifferentiallockpedalislocatedontheleft-handfoot
platform(1)onHSTmodelsandontheright-handfoot
platform(2)ongearmodels.Thedifferentiallockisused
toobtainadditionaltractioninwetorloosesoil.
Whenthedifferentiallockpedalisdepressed,both-
naldrivepiniongearshaftsarelockedtogether,prevent-
ingonewheelfromrotatingindependentlyoftheother.
Wheneveronewheelbeginstoslipinwetorloosesoil,
usethelocktoobtainadditionaltractionfromtheoppo-
sitewheel.
Tooperatethedifferentiallock,depressandholdthe
pedaldownuntilthelockispositivelyengaged.Itisbest
toengagethelockwhilethewheelsareturningslowlyto
minimizeshockloadstothedriveline.Ifawheelspinsat
highspeed,suchasonice,reduceenginespeedtoidle
beforeengagingthelockordamagemayresult.Release
thepedaltodisengagethedifferentiallock.
NOTE:Insomeinstances,thelockmayremainengaged
afterthepedalisreleased.Thiscanoccurifonerear
wheelisturningatafasterspeedthantheother.Thelock
canbedisengagedinoneoftwowaysifthisoccurs:
•
Decreasethedrawbarpullbyraisingordisengagingthe
implementsothatneitherwheeltendstoslip.
•
Depresstheclutchpedalandrapidlyapplyandrelease
alightbrakingloadtothewheelwithlesstraction.
NHIL12CT00687AA1
NHIL13CT00039AA2
3-11

New Holland WORKMASTER 40 Specifications

General

Manufacturer	New Holland
Model	WORKMASTER 40
Category	Tractor
Engine Type	Diesel
Engine Power	40 HP
3-Point Hitch	Category I
Wheelbase	73.2 inches
Hydraulic System	Open Center
Fuel Capacity	9.2 gallons
Transmission	8x8 Synchro Shuttle