Toro 74750 Parts Catalogue

PartsCatalog

FormNo.3388-249RevF

TimeCutter

®

MX3450Riding

Mower

ModelNo.74750—SerialNo.315000001andUp

Registeratwww.T oro.com.
OriginalInstructions(EN)

*3388-249*F

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

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

CasterWheelAssemblyNo.130-0736.........................................................................6

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

MotionControlAssembly...................................................................................10

BrakeBoxAssembly.......................................................................................12

SeatAssembly............................................................................................14

SeatAssemblyNo.131-4147...............................................................................16

BeltandIdlerAssembly.....................................................................................18

HydroTransaxleDriveandRearWheelAssembly..............................................................20

4PlyWheelandTireAssembly..............................................................................22

2PlyWheelandTireAssembly..............................................................................24

LeftHandHydroTransaxleAssemblyNo.119-3340............................................................26

RightHandHydroTransaxleAssemblyNo.119-3341...........................................................28

ClutchAssembly...........................................................................................30

EngineandMuferAssembly................................................................................32

AirIntakeandFiltrationEngineAssemblyNo.121-0412.........................................................34

IgnitionandElectricalEngineAssemblyNo.121-0412..........................................................36

PistonandCylinderHeadEngineAssemblyNo.121-0412.......................................................38

FuelSystemEngineAssemblyNo.121-0412..................................................................40

CrankcaseEngineAssemblyNo.121-0412...................................................................42

GovernorControlEngineAssemblyNo.121-0412..............................................................44

GasketandSealKitEngineAssemblyNo.121-0412............................................................46

BlowerHousingAssembly..................................................................................48

BodyStylingandFuelPodAssembly.........................................................................50

FuelDeliveryAssembly.....................................................................................52

BatteryandElectricalAssembly..............................................................................54

FuseandWireHarnessAssembly............................................................................56

34InchDeckAssembly.....................................................................................58

34InchDeckDecalAssemblyNo.130-7005..................................................................60

34InchDeck,BeltandBladeAssembly.......................................................................62

AttachmentsandAccessories...............................................................................64

©2015—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420

Contactusatwww.Toro.com.

3

PrintedintheUSA.

AllRightsReserved

Frame,FrontAxleandCasterWheelAssembly

3388-249F4A2

Frame,FrontAxleandCasterWheelAssembly(continued)

Ref.

PartNumber

1127-3444-011
4125-1742-011Axle-Front,Narrow
5

130-07362
6104-36672
7

325-222
83296-452Nut-Lock,NI
9120-2266-012

10117-73942Washer-Thrust
11109-36784Bearing-Ball
123256-682Washer-Flat

Qty.Description

FrameASM

CasterWheelASM
Spanner-Wheel
Screw-HH

Fork-Caster

Ref.

16:2105-82781Decal
16:3132-08691Decal-Danger

PartNumber

133234-472
14120-54551Mat-Floor
15116-43482
16132-08901

1832144-702
203234-426
21104-83016Nut-Flange,NI

Qty.Description

Screw-HHF

Cap-Grease
FootrestASM

Screw-HWHTF
Screw-HHF

53388-249F

CasterWheelAssemblyNo.130-0736

3388-249F6A2A1

CasterWheelAssemblyNo.130-0736(continued)

Ref.

PartNumber

1130-07351Tire
3114-16402Bushing-Flange
4232-271

Qty.Description

Stem-Valve

Ref.

PartNumber

5

302-51

99105-08441Tube-Inner

Qty.Description

Fitting-Grease

73388-249F

DeckLiftAssembly

3388-249F8A4

DeckLiftAssembly(continued)

Ref.

PartNumber

11-8060051
2120-54992
33-64982Washer-Thrust
4119-3427-031
5

117-7346-031
6119-3435-031
7

119-88752
8131-0914-031Bracket-Battery
93296-292Nut-Lock,NI

10108-78402
11108-78391
12108-78452Block-Pivot
13121-17592
141-6332681
153272-10
163256-266Washer-Flat
17104-830014Nut-Flange,NI
18131-0901-011Mount-Hydro,FrontRight
19131-0902-011
203234-294
213296-191Nut-Hex

Qty.Description

Pin-Cotter
Screw-HSBH

Lever-Lift
Lift-Deck,Narrow
Brace-Seat,Rear(Narrow)
Bracket-Lift

Link-Lift
Arm-Lift,Rear

Spacer
Grip-Lever

5

Pin-Cotter

Mount-Hydro,FrontLeft
Screw-HHF

Ref.

PartNumber

2232144-7016
23131-39331
24131-39451Rod-Mount,Deck
25119-88101Pin-Pivot
26120-2276-031Pedal
27120-22421
28120-2294-031
293234-422
30104-83012Nut-Flange,NI
31256-1562Bushing-Flange
323234-362
34121-56841

35121-29892Decal-Bypass
36127-3353-031
37130-6950-011
383234-478
39117-1232-031Bracket-Hitch
40131-40361Decal
4399-46931Decal

Qty.Description

Screw-HWHTF
Plate-Footlift

Rod-Footlift
Bracket-Footlift
Screw-HHF

Screw-HHF
Decal-Location,Service
Dealer

Guard-Engine,Narrow
Crossmember-Rear,Narrow
Screw-HHF

93388-249F

MotionControlAssembly

3388-249F10D2

MotionControlAssembly(continued)

Ref.

PartNumber

1121-07311

1:1121-07261

2121-07301

2:1121-07261

33256-244Washer-Flat
4323-64
5

120-79502
6119-34702

6:2256-1562Bushing-Flange

7

110-68102
8131-09642Damper
93296-424Nut-Lock,NI

10104-830010Nut-Flange,NI
113256-232Washer-Flat
13104-83014Nut-Flange,NI
14119-89252Washer-Belleville
15117-12402Washer
16131-10941
17119-33032Pin-Rod,Hydro
19117-11982Bolt-Pivot
20131-1093-031

Qty.Description

Handle-Control,RH
Grip
Handle-Control,LH
Grip

Screw-HH
Screw-Shoulder
ActuatorArmASM

Stud-Damper

SpeedControlASM

ControlBoxASM

Ref.

PartNumber

213296-562Nut-Lock,NI
22115-5098-052
23120-22732Washer-Nylon
26115-50992Bolt-Pivot
27119-88762
28117-53882Rod-Hydro
29119-88422Mount-Rod,Hydro
30119-89522Washer
31321-32
33117-53852Retainer
3432144-14
401-6038072
4393-60792
44119-89351Knob-RH
45119-89361Knob-LH
4694-44961
473234-476
48131-39471
4932144-704
50119-88711Decal

Qty.Description

Lever-Control

Spring-Return

Screw-HH

Screw-Taptite
Spring-Return,Neutral
Spacer-Nylon

Screw-PPH
Screw-HHF
Decal-SpeedControl
Screw-HWHTF

113388-249F

BrakeBoxAssembly

3388-249F12D4

BrakeBoxAssembly(continued)

Ref.

PartNumber

1130-68921
2121-29741Rod-Brake,RH
3121-29751Rod-Brake,LH
4117-11694
5

3290-3072
632144-364

Qty.Description

BrakeBoxASM

Spring-Compression
Pin-Cotter
Screw-PPH

Ref.

PartNumber

7

130-69741

832144-42
103296-422Nut-Lock,NI
11119-89526Washer
12130-0790-031Bracket-Mount,Brake
1394-44962

Qty.Description

Cover-Connector
Screw-HWH

Screw-PPH

133388-249F

SeatAssembly

3388-249F14E2

SeatAssembly(continued)

Ref.

PartNumber

1130-7035-031
2131-41471
3119-34331Rod-Pivot,Narrow
5

3290-2502
692-70543
7

104-83006Nut-Flange,NI

10131-10381
111070691
13119-3431-032
14131-36531Decal-Timecutter

Qty.Description

Pan-Seat
SeatASM

Pin-Cotter
Spring-Compression

Bracket-Stop,Seat
Clip
Support-Tank,Rear

Ref.

PartNumber

15131-39941
16116-26701
1799-68101
18106-87171
19131-1040-031
2032144-706
213234-293
25131-4008-031
26131-40802

Qty.Description

Plate-Stop
Screw-Shoulder
Screw-HHF
Decal-Service
Support-Pod
Screw-HWHTF
Screw-HHF
Bracket-Latch,Seat
Screw-HSBH

153388-249F

SeatAssemblyNo.131-4147

3388-249F16E2A2

SeatAssemblyNo.131-4147(continued)

Ref.

PartNumber

2131-41491
3131-41511
4131-41531
5

131-41541

Qty.Description

Cushion-Seat,Back
Cushion-Seat,Bottom
TrackASM
BushingASM

Ref.

PartNumber

6131-41551ArmrestKit
7

131-41561
882-21901
9110-41632

Qty.Description

Shell
Switch-Bail
Cushion-Rest,Arm

173388-249F

BeltandIdlerAssembly

3388-249F18F2

BeltandIdlerAssembly(continued)

Ref.

PartNumber

33230-81
6104-83002Nut-Flange,NI
7

322-71
8104-64151
95-44601Washer-Pivot

10130-69751V-Belt

Qty.Description

Screw-CARR

Screw-HH
Spring-Return,Pedal

Ref.

PartNumber

11119-88221Pulley-Idler
12106-21761Pulley-Idler
13119-33261Arm-Idler
14119-33531
15119-33271
253256-31Washer-Flat

Qty.Description

Spacer
Spacer-Arm,Idler

193388-249F

HydroTransaxleDriveandRearWheelAssembly

3388-249F20F3

HydroTransaxleDriveandRearWheelAssembly(continued)

Ref.

16:2119-34211Tire-4Ply
16:3232-271

16:2131-36771Tire-2Ply
16:3232-271

PartNumber

1119-33411
2119-33401
4322-114
5

322-134
6104-830012Nut-Flange,NI

16119-34222

16131-36702

17242-508Nut-Lug

Qty.Description

RHHydroTransaxleASM
LHHydroTransaxleASM
Screw-HH
Screw-HH

4PlyWheelAndTireASM

Stem-Valve
2PlyTireAndWheelASM

Stem-Valve

Ref.

PartNumber

18117-7264-032Mount-Hydro
19131-09001Rod-Bypass,LH
20324-104
21119-3339-031
223234-294
233290-3072
24130-70491Rod-Bypass,RH
263296-486Nut-Lock,NI
273256-256Washer-Flat
28324-82
29119-89522Washer
303256-236Washer-Flat

Qty.Description

Screw-HH
Plate-Cross,Hydro
Screw-HHF
Pin-Cotter

Screw-HH

213388-249F