
FormNo.3377-972RevB
CounterweightKit
RT600TractionUnit
ModelNo.25439
ModelNo.25439E
InstallationInstructions
Safety
WARNING
CALIFORNIA
Proposition65Warning
ThisproductcontainsachemicalorchemicalsknowntotheStateofCaliforniato
causecancer,birthdefects,orreproductiveharm.
Installation
LooseParts
Usethechartbelowtoverifythatallpartshavebeenshipped.
Description
Nopartsrequired
Mountingframe 
Bolt(1-1/4x3-1/2inch) 
Washer(1-1/4inch) 
Counterweight 
Rod1 
Washer(5/8inch) 
Locknut(5/8inch)
PreparingtheMachine
1.Movethemachinetoalevelsurface.
2.Settheparkingbrakeandlowertheattachmentsto 
theground
3.Shutoffthemachineandremovethekey.
4.Ifafront-mountedattachmentsuchasthebackhoe 
orcablecarrierisinstalledonthemachine,remove 
theattachment;refertotheOperator’ sManualforthe 
attachment.
Qty.
13
Use
–
1 
4 
4
2 
2
Preparethemachine.
Installthemountingframe.
Installthecounterweights.
InstallingtheMountingFrame
Note:Yourliftingequipmentmusthavealiftcapacityof
136kg(300lb).
Note:Removeallcounterweightkithardwareandweights 
fromthemountingframepriortoinstallationofthe 
counterweightkit.Eachcounterweightweighsapproximately
29.9kg(66lb).
1.Removethe2locknuts(5/8inch),2washers(5/8 
inch),androdthatsecurethecounterweightstothe 
mountingframe.
©2013—TheToro®Company 
8111LyndaleAvenueSouth 
Bloomington,MN55420
Registeratwww.T oro.com.
Note:Retainthelocknuts,washers,androdfor 
installationinstep
OriginalInstructions(EN)
2ofInstallingtheCounterweights.
PrintedintheUSA
AllRightsReserved
*3377-972*B
 

2.Usingtheliftingequipment,removethecounterweights
fromthemountingframe.
3.Useliftingequipmenttoraiseorlowerthemounting 
frameuntiltheholesinthemountingframealignwith 
theholesinthemachine;refertoFigure1.
5.Installthebolts(1-1/4x3-1/2inch)andwashers 
(1-1/4)thatfastenthemountingframetothemachine 
(Figure2),andhandtightenallofthebolts.
Figure1
1.Mountingframe3.Hole(machinechassis)
2.Hole(mountingframe)
4.Applymedium-grade(serviceremovable) 
thread-lockingcompoundtothethreadsofthebolts 
(1-1/4x3-1/2inch).
Figure2
1.Washer2.Bolt
6.Torquethebolts(1-1/4x3-1/2inch)thatfastenthe 
mountingframetothefrontofthemachineto1220to 
1491N-m(900to1100ft-lb).
7.Torquethebolts(1-1/4x3-1/2inch)thatfastenthe 
mountingframetothesidesofthemachineto1220to 
1491N-m(900to1100ft-lb).
8.Removetheliftingequipmentfromthemounting 
frame.
2
 

InstallingtheCounterweights
1.Usetheliftingequipmenttoliftandinstalloneormore 
ofthecounterweightsontothemountingframe;refer 
toFigure3.
Figure3
1.Mountingframe2.Counterweight
2.Securethecounterweight(s)tothemountingframe 
withtherod,washers,andlocknutsthatyouremoved 
instep1ofPreparingtheMachine;refertoFigure4.
Note:Donotovertightenthenuts.Tightenthenuts 
onlyenoughtopreventthewashersfromrattling.
Figure4
1.Locknut3.Rod
2.Washer
3