Toro 51974 Parts Catalogue

PartsCatalog

FormNo.3365-104RevF

18inStraight-ShaftGasTrimmer

ModelNo.51974—SerialNo.310000001andUp

Registeratwww.T oro.com.
OriginalInstructions(EN)

*3365-104*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

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

2

Contents

TrimmerHead,StraightShaftandGuardAssembly..............................................................4

Powerhead,UpperShaftandHandleAssembly.................................................................5

Mufer,CarburatorandFuelTankandHousingAssembly........................................................6

©2013—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420

Contactusatwww.Toro.com.

3

PrintedintheUSA.

AllRightsReserved

TrimmerHead,StraightShaftandGuardAssembly

Ref.

PartNumber

13080350131

Qty.Description

StraightShaftASM
29402301321Label-Warning
36381250031
46607360011
5

6606420011
65183670011
7

3082100011

Clamp-Deector,Grass
Screw-HWH
Screw
Spacer

GearCaseASM
86780110011Washer-Flange
96780190031

153089230141
179406270201
183084730011
195180190021
206606490011Bolt

●

Servicedseparately,notsoldwiththiskit

3365-104F402

Adaptor-Shaft,TrimmerHead

TrimmerHeadASM

Label-Deector,Grass

GrassDeectorASM

Cap-Hanger

●

Powerhead,UpperShaftandHandleAssembly

Ref.

0353365-104F

PartNumber

16789060011
29408650011Plate-Logo
39406860641
43081590151
5

5181220011
65181250011
7

6906940021
85181240011Trigger
97603940021

103088630292Lead
113082250031
125182100041
135181230011
146605630026
156606690011

Qty.Description

Spring-Compression

Label-Start,Lower
UpperShaftASM
Support-Handle,Rear
Button-Off,Lock
Spring-Trigger

Switch

Cable-Throttle
Tube-Corrugated
Cover-Handle,Rear
Screw
Screw-PPH

Ref.

PartNumber

16T6606970011
176780290021Nut-Hex
186381330011
199408640011
209406570341Label-Warning
210009985351Handle-Front
226606530012
235180380011
246606370022
255180200011
26810682Nut-Hex
273080560031
286607340011
293084660101
303080450081

Qty.Description

Screw

Clamp-Cable,Throttle
Label-On/Off

Screw
Clamp-M
Screw
Clamp

FrontHandleASM
Screw
PowerheadASM
Clamp-Boom

Mufer,CarburatorandFuelTankandHousingAssembly

Ref.

3365-104F604

PartNumber

16603470012
26380270021
5

3007480211
66300020061
7

8701740011
83080040011
95904700011Housing-Engine,Rear

106605630014
113084300011
12660351001
135183290011Insulator-Dam,Heat
149007110032
156603440032
163084800011
223084780011
236603460012
245608730011Element
253082070041
266906990011

Qty.Description

7

Screw-PanHD
Shield-Heat
MuferASM
Gasket-Mufer
Sparkplug
PulleyASM

Screw
RecoilStarterASM
Screw-PanHD

Gasket-Carburetor
Screw-PanHD
CarburetorASM
FilterHousingASM
Screw-PanHD

CoverASM
Clip-Hose

Ref.

PartNumber

275702590081Line-Fuel
286907000011
296908400012Nut
309007110081
323108330011
336906950012Washer
3466353012
356603440014
363007540231
376906960012
383007560061
396906890011Nut-Rotor
406405740021Rotor
416906880011
422901430011Wire-Lead,Black
436603490012
442901780061
492901430021Wire-Lead,Red

Qty.Description

Clip-Hose

Gasket-Insulator
FuelT ankAndCapASM

Screw-Clutch
Screw-PanHD
FrontHousingASM
Washer-Curved
ClutchASM

Key-Woodruff

Screw-PanHD
CoilBootASM

Notes: