FormNo.3405-670RevB
48inTITAN
®
HD
1500SeriesRidingMower
ModelNo.78450—SerialNo.400000000andUp
Registeratwww.T oro.com.
OriginalInstructions(EN)
*3405-670*B
OrderingReplacementParts
Toorderreplacementparts,pleasesupplythepartnumber,
thequantity,andthedescriptionofeachpartdesired.
UnderstandingReferenceNumbers
Eachidentiedpartinanillustrationhasareference
number.Thereferencenumberforapartalsoappearsin
thepartslist,alongwithotherinformationaboutthepart.
Thiscatalogusestwospecialreferencenumberformats,
onetoindicatepartsinaserviceassemblyandanotherto
indicatethequantityofagivenpartinanillustration.
ServiceAssemblyReferenceNumbers
Partsinserviceassemblieshavereferencenumbersinthe
forma:b.Thearepresentsthereferencenumberofthe
entireserviceassemblyandthebrepresentsasequential
numberuniquetoeachpartwithintheserviceassembly .
Forexample,awheelassemblymightbeidentiedby
referencenumber6,thetireby6:1,thevalveby6:2,and
thewheelby6:3.Whenyouordertheassemblyidentied
byreferencenumber6,youreceiveallpartsidentiedby
referencenumbers6:1,6:2,and6:3.However,youmay
alsoorderanypartindividually .Referencenumbersofthis
typeappearinillustrationandinpartslists.
ReferenceNumbersIndicatingQuantity
Inanillustration,ifareferencenumberindicatesmorethan
onepart,thereferencenumberhastheformnXy .Then
representsthequantityofthepart,theXisthemultiplication
symbol,andtheyrepresentsthereferencenumber.
Forexample,inanillustration,thereferencenumber2X37
meansthattwoofthepartsidentiedbyreferencenumber
37areindicated.
2
Contents
Frame,Roll-OverProtectionSystemandWheelAssembly........................................................4
ForkandCasterWheelAssembly.............................................................................6
Roll-OverProtectionSystemAssemblyNo.126-9526............................................................8
HydraulicAssembly........................................................................................10
LHTransaxleAssemblyNo.135-0140........................................................................12
RHTransaxleAssemblyNo.135-0139.......................................................................14
ControlConsoleandGuardAssembly........................................................................16
FuelTankandVentHoseSystemAssembly...................................................................18
FuelTankAssemblyNo.126-4724...........................................................................20
SeatMountAssembly......................................................................................22
SeatPanandLatchAssemblyNo.126-7309..................................................................24
SeatAssemblyNo.130-0801...............................................................................26
MotionControlAssembly...................................................................................28
LHMotionControlAssembly................................................................................30
RHMotionControlAssembly................................................................................32
ElectricalSystemAssembly.................................................................................34
WireHarnessAssemblyNo.126-5803........................................................................36
DeckLiftAssembly.........................................................................................38
DeckStrutAssemblyNo.126-8365..........................................................................40
EngineAssembly..........................................................................................42
DeckAssembly............................................................................................44
DeckDecalAssemblyNo.126-8956.........................................................................46
DeectorAssemblyNo.120-2451............................................................................48
AttachmentsandAccessories...............................................................................50
©2017—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
Contactusatwww.Toro.com.
3
PrintedintheUSA.
AllRightsReserved
Frame,Roll-OverProtectionSystem
andWheelAssembly
3405-670B4A2
Frame,Roll-OverProtectionSystem
andWheelAssembly(continued)
Ref.
PartNumber
1104-83002Nut-HF,NI
2109-36784Bearing-Ball
3109-92332Bumper-Push-In,Rubber
4116-43482
5
126-32802
5:1126-90741Wheel
5:2120-32711Tire
5:3232-271
8126-46991
8:2109-60141Decal-Routing,Belt
8:3116-85882Decal-Release,Drive
8:4126-43632Decal-Warning
8:5127-66181
Qty.Description
Cap-Grease
WheelAndTireASM
Stem-Valve
FrameASM
Strip-Seal
Ref.
12:2126-83831Decal-Danger
PartNumber
92
10126-54912Isolator
11126-95261
12126-58721Pan-Floor
13126-58972
15242-508Nut-Lug
173234-52
183256-682Washer-Flat
1967-13001Decal
21126-70652
Qty.Description
FrontCasterASM(W/Fork)
●
ROPSASM
Spring
Screw-HHF
Grommet-Rubber
●
Notservicedseparately
53405-670B
ForkandCasterWheelAssembly
3405-670B6A2A1
ForkandCasterWheelAssembly(continued)
Ref.
PartNumber
1126-75921
2126-4312-011
3126-53891
Qty.Description
WheelAndTireASM
Fork-Caster
Screw-HHF
Ref.
PartNumber
4127-00681
5
99-51071Nut-Lock
Qty.Description
Spanner-Wheel,Caster
73405-670B
Roll-OverProtectionSystemAssembly
No.126-9526
3405-670B8A2A2
Roll-OverProtectionSystemAssembly
No.126-9526(continued)
Ref.
PartNumber
11Tube-Upright,RH
21Tube-Upright,LH
31
3:2107-30691Decal-Warning
4116-01042
5
126-92092
Qty.Description
TopTubeASM
Pin-Spring
Bolt-Shoulder
Ref.
●
●
●
PartNumber
699-51072Nut-Lock
7
109-92332Bumper-Push-In,Rubber
8126-99662
9126-94884
1032128-504Nut-Flange
12119-41642Washer-Wave
Qty.Description
Bumper-ROPS
Screw-HHF
●
Notservicedseparately
93405-670B
HydraulicAssembly
3405-670B10B2
HydraulicAssembly(continued)
Ref.
PartNumber
1135-01401
2135-01391
3104-83008Nut-HF,NI
4126-46874
5
3230-72
6116-58092
7
126-58962
8116-68331
91-3033344
10126-62662
12109-22501Vent-T ank,HYD
Qty.Description
LHTransaxleASM
RHTransaxleASM
Screw-HHF
Bolt-CARR
Spacer-Hydro
ScrewHHF
Shaft-Spacer
Washer-Spring
Screw-Torx
Ref.
12:1109-33201
PartNumber
1332180-1181
1494-79722
15126-03274
16109-53952Arm-Bypass,Hydro
173229-12
18108-64022Knob-Handle
191-8060032
20126-56681Hose-Hydraulic
21126-56691Hose-Hydraulic
243256-42Washer-Flat
Qty.Description
Cap-Reservoir,HYD
Clip-Tie
Screw-HHW/Loctite
Clamp-Hose
Bolt-CARR
Pin-Cotter
●
●
UsePro-Lock,NutType(P/N1-840022,.5mltube)onthreads.
113405-670B
LHTransaxleAssemblyNo.135-0140
3405-670B12B2A3
LHTransaxleAssemblyNo.135-0140(continued)
Ref.
PartNumber
1109-33211
2109-32781
2:1237-421
3109-35401
4109-55921
5
116-38721
6109-35361Nut-Hub
7
125-00591FanAndPulleyKit
Qty.Description
Element-OilFilter ,HYD
Adapter-Straight
O-Ring
ORing-Seal
Spring-Extension
Hub-Offset
Ref.
PartNumber
7:1116-97141Nut-HJ
7:2126-02261Fan
7:4116-97051Hub-Pulley
8116-62141
9116-62131Tube-Axle
10120-79791
99109-35371
Qty.Description
Cap-Axle,Long
Guard-Filter,LH
SealKit
●
●
Notillustrated
133405-670B
RHTransaxleAssemblyNo.135-0139
3405-670B14B2A4
RHTransaxleAssemblyNo.135-0139(continued)
Ref.
PartNumber
1109-33211
2109-32781
2:1237-421
3109-35401
4109-55921
5
116-38721
6109-35361Nut-Hub
7
125-00591FanAndPulleyKit
Qty.Description
Element-OilFilter ,HYD
Adapter-Straight
O-Ring
ORing-Seal
Spring-Extension
Hub-Offset
Ref.
PartNumber
7:1116-97141Nut-HJ
7:2126-02261Fan
7:4116-97051Hub-Pulley
8116-62141
9116-62131Tube-Axle
10120-79811
99109-35371
Qty.Description
Cap-Axle,Long
Guard-Filter,RH
SealKit
●
●
Notillustrated
153405-670B
ControlConsoleandGuardAssembly
3405-670B16C2