Toro 25431, 25431E Parts Catalogue

PartsCatalog

FormNo.3385-787RevA

Heavy-DutyCenterlineTrencher

RT600Trencher

ModelNo.25431—SerialNo.313000001andUp

ModelNo.25431E—SerialNo.313000001andUp

Registeratwww.T oro.com.
OriginalInstructions(EN)

*3385-787*A

OrderingReplacementParts

Toorderreplacementparts,pleasesupplythepartnumber,
thequantity,andthedescriptionofeachpartdesired.

UnderstandingReferenceNumbers

Eachidentiedpartinanillustrationhasareference
number.Thereferencenumberforapartalsoappearsin
thepartslist,alongwithotherinformationaboutthepart.

Thiscatalogusestwospecialreferencenumberformats,
onetoindicatepartsinaserviceassemblyandanotherto
indicatethequantityofagivenpartinanillustration.

ServiceAssemblyReferenceNumbers

Partsinserviceassemblieshavereferencenumbersinthe
forma:b.Thearepresentsthereferencenumberofthe
entireserviceassemblyandthebrepresentsasequential
numberuniquetoeachpartwithintheserviceassembly .

ListofAbbreviations

AR:asrequired

ASM:assembly

BBC:bladebrakecontrol

BHTF:buttonheadthreadforming

CARR:carriage

CCW:counterclockwise

CW:clockwise

DEG:degrees

DPA:DualPointAdjustment

ECM:electroniccontrolmodule

EXT:external

FH:athead

GA:gauge

HD:heavy-duty

HF:hexange

HH:hexhead

HHF:hexheadange

HHFTF:hexheadangethread

forming

HJ:hexjam

HLH:hexlaghead

HOC:height-of-cut

HP:highpressure

HSBH:hexsocketbuttonhead

HSFH:hexsocketathead

HSH:hexsockethead

HWH:hexwasherhead

HWHTF:hexwasherheadthread

forming

HYD:hydraulic

LH:lefthand

LP:lowpressure

LPG:LiqueedPetroleumGas

NI:nyloninsert

NPTF:nationalpipethreadne

PFH:phillipsathead

PPH:phillipspanhead

PPHTF:phillipspanheadthread

forming

PRH:phillipsroundhead

PTH:phillipstrusshead

PTO:power-take-off

RH:righthand

ROPS:roll-overprotectionsystem

Forexample,awheelassemblymightbeidentiedby
referencenumber6,thetireby6:1,thevalveby6:2,and
thewheelby6:3.Whenyouordertheassemblyidentied
byreferencenumber6,youreceiveallpartsidentiedby
referencenumbers6:1,6:2,and6:3.However,youmay
alsoorderanypartindividually .Referencenumbersofthis
typeappearinillustrationandinpartslists.

ReferenceNumbersIndicatingQuantity

Inanillustration,ifareferencenumberindicatesmorethan
onepart,thereferencenumberhastheformnXy .Then
representsthequantityofthepart,theXisthemultiplication
symbol,andtheyrepresentsthereferencenumber.

Forexample,inanillustration,thereferencenumber2X37
meansthattwoofthepartsidentiedbyreferencenumber
37areindicated.

RRB:rearrollerbrush

SFH:slottedllisterhead

SHH:slottedhexhead

SHWH:slottedhexwasherhead

SPH:slottedpanhead

SQH:squarehead

SRH:slottedroundhead

STD:standard

TAP:selftapping

TTH:torxtrusshead

2

Contents

TrencherDriveAssembly....................................................................................4

HydraulicMotorAssemblyNo.AU87430035...................................................................6

TrencherFrameAssembly...................................................................................8

LockoutValveAssemblyNo.AUH672547.....................................................................10

HydraulicHoseandFittingAssembly.........................................................................12

©2014—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420

Contactusatwww.Toro.com.

3

PrintedintheUSA.

AllRightsReserved

TrencherDriveAssembly

3385-787A40

TrencherDriveAssembly(continued)

Ref.

PartNumber

1AU125974-031Pivot-Boom
2AUH434811-031
3AU874300351
4AU116461A11
5

AUH4375811Washer-Thrust,Thin

AU116743A1-03

6
7

AUH437580-031
8AU125980-031
9AU1074701

10AUH428714-031
11AUH4375052
12AUH4375821Washer-Thrust,Thick
13

AUS64875

14AU103885A11Ring-Wear
15AUH4338521
16AUH4288391
17AUA631851Bearing
18AUA631711Bearing
19AUA673271
20AUA673281
21AUH7582921Bearing
22AU1008324

Qty.Description

Cover-Flywheel
HYDMotorASM
Shaft-Drive,Trencher

1Mount-Boom

Spacer-Pivot,Boom
Hub-Sprocket,Digging
Gearbox-Planetary
Cover-Planetary
Seal-Urethane

1Ring-Retaining,External

Seal-Planetary,Urethane
Seal

Cup-Bearing
Bearing-Cone

Screw-Flange

Ref.

PartNumber

23AU1005294Nut-HHF
24AUL1 126171
25AU55-10151Washer-Lock,Bearing
26AUH2748942Washer
273253-74Washer-Lock
281 17-32664
29AU238-51551
30

AUG13075
31AUH4380612
32AU1 16343A11Flywheel-Drive,Trencher
33AU1008302
34AU10052815Nut-HHF ,Lock
35AU1003486
36AUH4375061
3733106-070
38302-21
39AU12666712
40103-951 112Nut-Lock,NI
41AU221-6752Plug-Pipe
42AU41-10202Plug-Npt
4393-79721Ring-Retaining,Internal

Qty.Description

Washer-Shim

Screw-HH
O-Ring

2Bearing-Ball

Seal-Flywheel

Screw

Screw-HHF
Seal-Urethane

7

Screw-HHF
Fitting-Grease
Screw-HSH

53385-787A