Toro 74920 Parts Catalogue

PartsCatalog

FormNo.3375-792RevB

TITAN

ZX4820Zero-Turn-Radius

RidingMower

ModelNo.74920—SerialNo.313000001andUp

Registeratwww.T oro.com. OriginalInstructions(EN)

*3375-792*B

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

Frame,FrontAxleandCasterWheelAssembly.................................................................4

WheelandTireAssemblyNo.125-1822.......................................................................5

WheelandTireAssemblyNo.115-2554.......................................................................6

ControlPanelandBodyStylingPodAssembly..................................................................7

DeckLiftAssembly..........................................................................................8

TractionDriveAssembly.....................................................................................9

RHHydroAssemblyNo.115-2550...........................................................................10

LHHydroAssemblyNo.115-2551...........................................................................12

MotionControlAssembly...................................................................................14

BrakeLinkAssembly.......................................................................................16

Engine,MuferandClutchAssembly.........................................................................17

FuelDeliveryAssembly.....................................................................................18

MultiLayerFuelT ankAssemblyNo.117-7352.................................................................19

Roll-OverProtectionSystemAssembly.......................................................................20

ElectricalAssembly........................................................................................21

48InchDeckAssembly.....................................................................................22

48InchDeckDecalAssemblyNo.119-3383...................................................................23

48InchDeckBafeandGuardAssembly.....................................................................24

48InchDeck,BeltandMulchBladeAssembly.................................................................25

SeatAssembly............................................................................................26

AttachmentsandAccessories...............................................................................27

Contactusatwww.T oro.com.

PrintedintheUSA.

AllRightsReserved

Frame,FrontAxleandCasterWheelAssembly

Ref.

3375-792B4A2

PartNumber

1117-7356-011Frame 2115-2531-051Pan-Floor 332144-708 4120-54661 5

125-18222

115-25542

6104-36672 7

325-222 83296-452Nut-Lock,NI 9110-6634-012

1010-81102Washer-Thrust 11109-36784Bearing-Ball 12109-37242Washer 133234-472 14119-8997-031

Qty.Description

Screw-HWHTF Decal-Safety TireAndWheelASM(CST) TireAndWheelASM (Kenda) Spanner-Wheel Screw-HH

CasterForkASM

Screw-HHF Support-Seat

Ref.

PartNumber

15322-122 16104-83006Nut-Flange,NI 17120-2248-031 1862-55501Decal 19105-82781Decal 20121-0704-011 21322-102 22121-29802 23117-12411 24117-12421 2546-85602 30117-72381 31117-72201 32120-2247-031 33322-232 343256-234Washer-Flat

Qty.Description

Screw-HH

Guard-Rear

Tube-Guard Screw-HH Cap Cover-Fan,RH Cover-Fan,LH Screw-HHFTF Strip-Vibration,Anti Foil-HeatShield Guard-Mufer Screw-HH

WheelandTireAssemblyNo.125-1822

Ref.

A2A153375-792B

PartNumber

2125-18231Tire 3114-16402Bushing-Flange 4232-271 5

302-51

99117-12341Tube-Inner

Qty.Description

Stem-Valve Fitting-Grease

WheelandTireAssemblyNo.115-2554

Ref.

3375-792B60

PartNumber

2115-25571 3114-16402Bushing-Flange 4232-271 5

302-51

99117-12341Tube-Inner

Qty.Description

Tire-Smooth

Stem-Valve Fitting-Grease

ControlPanelandBodyStylingPodAssembly

Ref.

B273375-792B

PartNumber

1115-25811Pod-RH 2115-25821Pod-LH 3115-96321 4121-07701 5

3258-1664 61070694 7

115-2591-031 8120-79506 9120-22911

103253-211Washer-Lock 113220-31Nut-HJ 12105-18532

Qty.Description

Decal-Panel,Control Cable-Throttle Screw-PRH Clip Panel-Control Screw-Shoulder Cable-Choke

Clamp-Hose

DeckLiftAssembly

Ref.

3375-792B8C2

PartNumber

1115-2495-031Pivot-Front 2115-2498-031Pivot-Rear 3117-12811 4115-49863 5

115-2503-032 6115-25041 7

65-59504Bushing-Pulley 81-6332681 9115-50654Bushing-Flange

103231-4

Qty.Description

Bushing-Mount,HOC Spacer Plate-Lift,Foot Plate-Stop,HOC

Grip-Lever

Screw-CARR

Ref.

PartNumber

11104-83018Nut-Flange,NI 12323-71 13322-68 14104-83008Nut-Flange,NI 15117-12801Pin-Keyed 16115-96441 17117-53441Decal-Lock,Deck 183231-11 19116-28874

Qty.Description

Screw-HH Screw-HH

Decal-HOC

Screw-CARR Gusset-DeckLift

TractionDriveAssembly

Ref.

E293375-792B

PartNumber

1115-25501RHHydroTransmission

2115-25511LHHydroTransmission

3110-99811Washer-Plain 4115-49861 5

114-04632 6117-53501Arm-Idler 7

104-83013Nut-Flange,NI 9109-33972Pulley-Idler,Flat

101-6034021 113231-42 12323-121 13109-36522 14115-25591 15322-134 16104-83008Nut-Flange,NI 17322-382 18322-112

Qty.Description

ASM

Spacer Washer-Friction,Composite

Spring-Extension Screw-CARR Screw-HH Spacer-Hydro Shaft-Cross,Hydro Screw-HH

Screw-HH Screw-HH

Ref.

23:1109-54871Wheel 23:2109-54881Tire

26:2109-33201

PartNumber

19323-102 201-8060032 21115-49902Rod-Bypass 223256-222Washer-Flat 23109-54862

24242-508Nut-Lug 25115-96131V-Belt 26115-96181

27115-49692 28117-11934 2946-85602 30117-11582Decal-Bypass 313256-238Washer-Flat 32117-53511 33117-7248-032 341107692

Qty.Description

Screw-HH Pin-Cotter,Hair

WheelAndTireASM

HYDReserviorASM Cap-Reservoir,HYD Hose-Overow Clamp-Hose Screw-HHFTF

Spacer Plate-Spring Spring-Extension

+ 19 hidden pages