Toro 22973HD Parts Catalogue

PartsCatalog

FormNo.3378-760RevA

TRX-20Trencher

ModelNo.22973HD—SerialNo.314000001andUp

Registeratwww.T oro.com. OriginalInstructions(EN)

*3378-760*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

HSBH:hexsocketbuttonhead

HSFH:hexsocketathead

HSH:hexsockethead

HWH:hexwasherhead

HWHTF:hexwasherheadthread

forming

HYD:hydraulic

LH:lefthand

LP:LiqueedPetroleumGas

LPG:LiqueedPetroleumGas

NI:nyloninsert

NPTF:nationalpipethreadne

PFH:phillipsathead

PPH:phillipspanhead

PPHTF:phillipspanheadthread

forming

PRH:phillipsroundhead

PTH:phillipstrusshead

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.

PTO:power-take-off

RH:righthand

ROPS:roll-overprotectionsystem

RRB:rearrollerbrush

SFH:slottedllisterhead

SHH:slottedhexhead

SHWH:slottedhexwasherhead

SPH:slottedpanhead

SQH:squarehead

SRH:slottedroundhead

STD:standard

TAP:selftapping

TTH:torxtrusshead

Contents

MainFrameAssembly.......................................................................................4

TrackandDriveAssembly...................................................................................5

HydraulicPumpAssemblyNo.1 17-6409.......................................................................7

HydraulicPumpAssemblyNo.1 17-6410.......................................................................8

HydraulicMotorAssemblyNo.104-8470.......................................................................9

ParkingBrakeAssembly....................................................................................10

EngineAssembly..........................................................................................11

GearPumpAssemblyNo.1 14-3072..........................................................................13

ControlAssembly..........................................................................................14

TrencherAssembly........................................................................................16

HydraulicMotorAssemblyNo.114-3053......................................................................17

BoomAssemblyNo.104-1949..............................................................................18

ControlTowerAssembly....................................................................................19

HydraulicControlAssembly.................................................................................21

2-SpoolValveAssemblyNo.115-4062.......................................................................22

OilCoolerAssembly.......................................................................................23

HydraulicRoutingAssembly.................................................................................24

ElectricalAssembly........................................................................................25

CylinderandCrankcaseAssembly...........................................................................26

PistonandCrankshaftAssembly.............................................................................27

ValveandCamshaftAssembly...............................................................................28

LubricationEquipmentAssembly............................................................................29

CoolingEquipmentAssembly...............................................................................30

ElectricEquipmentAssembly................................................................................31

ControlEquipmentAssembly................................................................................32

CarburetorAssembly.......................................................................................33

AirFilterandMuferAssembly...............................................................................34

FuelPumpandFilterAssembly..............................................................................35

StarterAssembly..........................................................................................36

LabelSet.................................................................................................37

AttachmentsandAccessories...............................................................................38

Contactusatwww .Toro.com.

PrintedintheUSA.

AllRightsReserved

MainFrameAssembly

Ref.

3378-760A402

PartNumber

1127-96021 1:2100-46501Decal-Warning 1:393-78142Decal-Danger 1:493-66861

2114-30751 2:1237-791

3112-4576

4115-6503-011

119-4566-031

6354-1201 6:1237-791

114-30421Hose-Breather 868-61501Breather 92412-362

103234-112 11323-121

Qty.Description

MainFrameASM

Decal-Oil,HYD SightGlassASM O-Ring Nut-Clip,U Cover-Rear Plate-Cover,Front Fitting-HYD,90DEG O-Ring

Clamp-Hose Screw-HHF Screw-HH

Ref.

PartNumber

1232128-402Nut-Flange 13120-73521Pin-Pivot 14321-181 153296-421Nut-Lock,NI 16302-51 17114-30391 181-5234201Bumper 1932128-331Nut-HF 23100-48601 2493-50231 25322-101 2632128-201Nut-HF 3293-90842 333334-9451 36107-3154 393234-183

Qty.Description

Screw-HH

Fitting-Grease In-TankFilterASM

Bracket-Clamp Spacer Screw-HH

Decal-Point,Lift Tie-Cable Nut-Push Screw-HHF

TrackandDriveAssembly

Ref.

0353378-760A

PartNumber

1112-48162Track-Rubber 2114-2992-031Frame-Track,LH 3114-2993-031Frame-Track,RH 4117-64091 5

117-64101 6117-6426-032Wheel-Drive 7

112-481712Wheel-Tensioner

7:1114-3014-031Wheel-Track 7:2120-53781Bearing-Ball

8106-758512 9327-412

10106-755712 11106-759512 12114-3077-032Tensioner-Track 13112-48742 14106-81592Nut-Lock 15325-84 163217-112Nut-Hex 173234-610 183234-278 1932128-498Nut-HHF

Qty.Description

RHHYDPumpASM LHHYDPumpASM

Gasket-Bogie Screw-HH Cap-Wheel,Bearing Ring-Snap,Internal

Screw-HH,T AP

Screw-HH

Screw-HHF Screw-HHF

Ref.

26:1237-301 26:2237-801

27:1237-301 27:2237-791

PartNumber

203256-264Washer-Flat 213296-454Nut-Lock,NI 22114-30912Bar-Thread 24104-84702 25115-12982 26340-64

27340-44

28115-12851Tube-HYD 29115-12861Tube-HYD 30115-12871Tube-HYD 31115-12881Tube-HYD 32115-1289-032Bracket-Mount,Pump 3380-60902Key-Pump 34108-42112Bushing 3573-35802Washer 36324-54 3733103-0162

Qty.Description

HYDWheelMotorASM Sheave Fitting-HYD,Straight O-Ring O-Ring Fitting-HYD,Straight O-Ring O-Ring

Screw-HH Screw-HHF

TrackandDriveAssembly(continued)

Ref.

45:1237-221 45:2237-421

46:1237-222 46:2237-421

3378-760A603

PartNumber

3832128-424Nut-HF 44115-12971Hose-HYD 45340-771

46340-861Fitting-Tee

48115-40022 49340-31Adapter

Qty.Description

Fitting-HYD,90DEG O-Ring O-Ring

O-Ring O-Ring Spacer

Ref.

49:1237-221 49:2237-791

51:1237-221 51:2237-421

53:1237-421

PartNumber

50117-13051Tube-HYD 51340-771

52115-40831Hose 53100-48871

542412-362

Qty.Description

O-Ring O-Ring

Fitting-HYD,90DEG O-Ring O-Ring

Fitting-Barbed,90DEG O-Ring Clamp-Hose

HydraulicPumpAssemblyNo.117-6409

Ref.

PartNumber

1115-44641HousingKit 3106-87532 4106-87544Bolt-HF 5

106-87551 6106-87561 7

104-21221 8106-87571

10104-21112 15106-87591BypassV alveKit 18103-26641 19104-53111Bearing-Ball 20104-53101 21104-53081 22104-53091Ring-Retaining 25103-26661

●

Notillustrated

03A273378-760A

Qty.Description

Pin-Headless,Straight

O-Ring ChargePumpKit GerotorASM O-Ring Capscrew

InputShaftKit

Seal-Lip Spacer

CylinderBlockKit

Ref.

PartNumber

2994-19361 3094-19371Washer-Thrust 31105-61851Plate-Valve 3294-19071 3494-69221Bearing-Thrust 37115-44581Arm-Trunnion,T apered

3894-19101 4298-32522 44106-87601 49114-81551 56106-87621 66106-87631 99105-61841

Qty.Description

Spring-Block

Swashplate-Variable

Square Guide-Slot Valve-Check(W/Poppet) ChargeReliefValveKit TrunnionSealKit Plug-HSH Plug-HSH SealOverhaulKit

●

HydraulicPumpAssemblyNo.117-6410

Ref.

PartNumber

1115-44641HousingKit 3106-87532 4106-87544Bolt-HF 5

106-87551 6106-87561 7

104-21221 8106-87571

10104-21112 15106-87591BypassV alveKit 18103-26641 19104-53111Bearing-Ball 20104-53101 21104-53081 22104-53091Ring-Retaining 25103-26661

●

Notillustrated

3378-760A803A1

Qty.Description

Pin-Headless,Straight

O-Ring ChargePumpKit GerotorASM O-Ring Capscrew

InputShaftKit

Seal-Lip Spacer

CylinderBlockKit

Ref.

PartNumber

2994-19361 3094-19371Washer-Thrust 31105-61851Plate-Valve 3294-19071 3494-69221Bearing-Thrust 37115-44581Arm-Trunnion,T apered

3894-19101 4298-32522 44106-87601 49114-81551 56106-87621 66106-87631 99105-61841

Qty.Description

Spring-Block

Swashplate-Variable

Square Guide-Slot Valve-Check(W/Poppet) ChargeReliefValveKit TrunnionSealKit Plug-HSH Plug-HSH SealOverhaulKit

●

HydraulicMotorAssemblyNo.104-8470

Ref.

03A393378-760A

PartNumber

1115-40611 23257-421 399-30901 4120-53951

Qty.Description

SealKit Key-Woodruff Shaft-Coupling MotorHousingASM

ParkingBrakeAssembly

Ref.

3378-760A1004

PartNumber

1114-2972-031Bar-Brake 2114-29751Link-Mounting 3117-6421-031Handle-Brake 4103-43351

4:11-6331312Yoke-Linkage,Brake 4:2103-39071Linkage-Handle,Brake 4:33219-32Nut-Hex

103-23991

Qty.Description

BrakeRodASM

Pin-Spring,Clevis

Ref.

PartNumber

6114-86291 7

27-72111 83296-472Nut-Lock,NI 967-14501

1062-91301 11107-84951Decal-ParkingBrake 127-00301 1332128-201Nut-HF

Qty.Description

Bolt-Shoulder Screw-Shoulder

Spring-Idler Grip-Handle

Screw-Shoulder,HH

EngineAssembly

Ref.

19:1237-811

05113378-760A

PartNumber

1117-64491Engine-Kawasaki,Fs600V 2323-84 332128-203Nut-HF 4115-1480-031Mount-Pump 5

114-30721 6114-8559-031Pulley-Engine 7

3246-62 893-88271 9114-29331

9:1100-75941

10114-29911Belt-V 116080061 1295-88021Pulley-Idler 13125-02521Arm-Idler 141-4130881 15110-99811Washer-Plain 16323-141 173256-241Washer-Flat 183234-111 1999-30172Fitting

Qty.Description

Screw-HH

GearPumpASM

Screw-Set,HSH Spider-Coupler Coupler-Flex Screw-Set

Key-Square

Bushing-Lever,Lift

Screw-HH

Screw-HHF

O-Ring

Ref.

PartNumber

20114-29171 212412-1112 223290-3572Nut-HHF,Whiz 23323-91 24121-45231 26106-57091Hose-Vent 2792-68771 28109-03061Hose-Fuel 292412-984 30322-43 31103-19661Adapter 322412-811 33324-62 341-6037701Valve-Fuel 35109-02951Hose-Fuel 37108-97301 383256-214Washer-Flat 393290-1344 403296-24Nut-Lock,NI 41115-12112 42233-422Knob

Qty.Description

Hose-Suction Clamp

Screw-HH Spring-Extension

Valve-Drain,Oil

Clamp-Hose Screw-HH

Clamp-R Screw-HH

Lever-Control

Screw

Cable-Control

EngineAssembly(continued)

Ref.

3378-760A1205

PartNumber

4433114-0162 45112-28443Nut-HF 46117-6278-031 47117-6283-031 48117-63191 4933103-0161 502412-361 51117-64011 522112-111 55

27-85901

56117-63371 57

117-62851

58115-64881 59115-64941

Qty.Description

Screw-HH

Bracket-Guard,Mufer Shield-Mufer Mufer Screw-HHF Clamp-Hose Manifold Clamp-Mufer Key-Square Bracket-Shield,Heat Plate-Shield,Heat Clamp Screw-Pan

Ref.

PartNumber

60115-64951Nut-Hex 6233114-0203 631-6533132 64115-64964 65115-66114Nut-Hex 66110-55471 67114-04632 68104-83011Nut-Flange,NI 69125-02511 706146721 71104-84261 723296-591Nut-Lock,NI 73115-72101Washer-Thrust 74121-45171Washer-Wave

Qty.Description

Screw-HH Gasket-Exhaust Washer-Spring

Lever-Control Washer-Friction,Composite

Spacer-Idler Bolt-Shoulder Spacer

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