FormNo.3361-725RevB
Z580ZMaster
With60inTURBOFORCE
®
®
SideDischarge
Mower
ModelNo.74253—SerialNo.290000001andUp
Registeratwww.T oro.com.OriginalInstructions(EN)
OrderingReplacementParts
Toorderreplacementparts,pleasesupplythepartnumber,
thequantity ,andthedescriptionofeachpartdesired.
UnderstandingReferenceNumbers
Eachidentiedpartinanillustrationhasareference
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
ECM:electroniccontrolmodule
EXT:external
FH:athead
GA:gauge
HD:heavy-duty
HF:hexange
HH:hexhead
HHF:hexheadange
HHFTF:hexheadangethread
forming
HJ:hexjam
HLH:hexlaghead
HOC:height-of-cut
HSBH:hexsocketbuttonhead
HSFH:hexsocketathead
HSH:hexsockethead
HWH:hexwasherhead
HWHTF:hexwasherheadthread
forming
HYD:hydraulic
LH:lefthand
LP:LiquidPropane
NI:nyloninsert
NPTF:nationalpipethreadne
PFH:phillipsathead
PPH:phillipspanhead
PPHTF:phillipspanheadthread
forming
PRH:phillipsroundhead
PTH:phillipstrusshead
PTO:power-take-off
RH:righthand
ROPS:roll-overprotectionsystem
RRB:rearrollerbrush
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.
SFH:slottedllisterhead
SHH:slottedhexhead
SHWH:slottedhexwasherhead
SPH:slottedpanhead
SQH:squarehead
SRH:slottedroundhead
STD:standard
TAP:selftapping
TTH:torxtrusshead
©2010—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
Contactusatwww.Toro.com.
2
PrintedintheUSA.
AllRightsReserved
Contents
FrontFrameAssembly......................................................................................4
ForkandCasterWheelAssembly.............................................................................5
TractionFrameandFloorPanAssembly.......................................................................6
SeatandRoll-OverProtectionSystemAssembly................................................................7
SeatAssemblyNo.116-0035.................................................................................8
Roll-OverProtectionSystemAssemblyNo.1 17-3866............................................................9
MainFrameandRearWheelAssembly.......................................................................10
HydroControlAssembly....................................................................................11
Engine,MuferandAirCleanerAssembly.....................................................................12
AirCleanerAssemblyNo.95-5805...........................................................................13
HydroandGearboxAssembly...............................................................................14
90DegreeGearboxAssemblyNo.110-5771..................................................................15
HydraulicT ank,MotorandPumpAssembly....................................................................16
TandemPumpAssemblyNo.1 10-5757.......................................................................17
HydraulicMotorAssemblyNo.112-8357(CCW)...............................................................18
HydraulicMotorAssemblyNo.112-8358(CW).................................................................19
HydraulicHoseRoutingAssembly...........................................................................20
FuelSystemandThrottleControlAssembly...................................................................21
FuelLineAssembly........................................................................................22
EngineHousingAssembly..................................................................................23
CoolingSystemAssembly..................................................................................24
HoodAssembly............................................................................................25
DeckConnectionAssembly.................................................................................26
DeckAssembly............................................................................................27
DeckDecalAssemblyNo.114-4478..........................................................................29
SpindleAssemblyNo.108-7713.............................................................................30
LeverAssemblyNo.107-1664...............................................................................31
RubberDeectorAssemblyNo.108-2792.....................................................................32
ElectricalAssembly........................................................................................33
CylinderandCrankcaseAssemblyKawasakiFD791D-AS07.....................................................34
PistonandCrankshaftAssemblyKawasakiFD791D-AS07......................................................35
ValveandCamshaftAssemblyKawasakiFD791D-AS07........................................................36
LubricationEquipmentAssemblyKawasakiFD791D-AS07......................................................37
CoolingEquipmentAssemblyKawasakiFD791D-AS07.........................................................38
ElectricEquipmentAssemblyKawasakiFD791D-AS07.........................................................39
ControlEquipmentAssemblyKawasakiFD791D-AS07.........................................................40
ThrottleAssemblyKawasakiFD791D-AS07...................................................................41
AirFilterandMuferAssemblyKawasakiFD791D-AS07........................................................42
FuelT ankandV alveAssemblyKawasakiFD791D-AS07........................................................43
StarterAssemblyKawasakiFD791D-AS07....................................................................44
AttachmentsandAccessories...............................................................................45
3
FrontFrameAssembly
Ref.
PartNumber
1107-80851
Qty.Description
FrameASM
1:2107-18571Decal-Brake,Parking
1:31-8110102Plug
1:4302-19
5
Fitting-Grease
1:5103-19181Bushing
23256-294Washer-Flat
332151-103
5
Ring-Retaining,EXT
432151-292Ring-Retaining
5
1-5231572
63296-39
7
108-7786-011
8323-91
9323-101
10323-51
Washer-Spacer
5
Nut-Lock,NI
RHFrontDeckLiftASM
Screw-HH
Screw-HH
Screw-HH
12106-99811Footrest
12:2106-74511Decal
12:3107-21121Decal-Warning
133274-944
Screw-HSBH
141-5136582Bumper
15110-58601
15:11-6332951
15:2103-20831
15:3103-20641
15:41-6333251
DeckLiftHandleASM
Grip-Lever,Lift
Lever-Lift
Arm-Lift,Deck
Spring-Compression
15:53296-391Nut-Lock,NI
15:63256-241Washer-Flat
●
Notservicedseparately
Ref.
PartNumber
16323-292
Qty.Description
Screw-HH
18103-19181Bushing
21323-111
22117-03661
Screw-HH
Plate-HOC,Outer
22:2107-18601Decal-Height,Deck
22:4117-27181
231-6330682
241-6330821
25117-03691
Decal-Arrester,Spark
Arm-Lift,Deck
Bushing-Lever,Lift
Plate-HOC,Inner
25:2107-18611Decal-Height,Deck
263290-35717Nut-HHF,Whiz
27109-87571
Pin-HOC
2898-597512Washer-Belleville
29323-712
302
30:11-6330961
30:21-6334412
Screw-HH
FrontFrameSpringASM
Rod-Lift,Deck
Swivel-DeckMount,Rear
30:33217-114Nut-Hex
30:43218-62Nut-Jam
30:53256-72Washer-Flat
30:61-6330641
Spring-Support,Deck
313218-22Nut-Jam
323274-182
33106-8984-011
341-6330801
Screw-HSH
LHDeckLiftASM
Bushing-Lever,Lift
●
3361-725B42
ForkandCasterWheelAssembly
Ref.
1:5:11-6335841
PartNumber
1109-91252
1:11-6335852
1:2103-00632
1:3103-30512
1:4103-51561
1:5109-91241
23296-452Nut-Lock,NI
12254-724
13254-944
141-6335086Washer-Bellville
153296-512Nut-Lock,NI
16103-48822
241-5435112
25103-1474-012
26325-392
28103-27684
Qty.Description
WheelAndTireASM
Bearing-Cone,T aper
Seal-Caster
Spacer-Nut
Axle-Caster
WheelAndTireASM
Bearing-Cup
Bearing-Cup,T apered
Bearing-Cone,T apered
Cap-Grease
Seal-Grease
Caster-Fork
Screw-HH
Guard-Seal
353361-725B
TractionFrameandFloorPanAssembly
Ref.
PartNumber
1322-436
23256-704Washer-Flat
33296-424Nut-Lock,NI
6110-62121
6:2106-99891Decal-Warning
6:3106-74921Decal-Danger
6:4110-08191
6:598-59541
6:632148-11
7
107-18652
8104-70501Tube-Manual
93296-392Nut-Lock,NI
101-633964-031
Qty.Description
Screw-HH
MainFrameASM
Decal-Console,T op
Decal-Cover,Missing
7
Insert-Threaded
R-Clamp
Stop-Brake,Park
Ref.
13:298-43871Decal-Protection,Ear
13:3107-18641Decal-Location,Manual
PartNumber
11323-202
12323-62
13107-18581Floorpan
143258-1662
15106-7488-031Hinge-Floorpan,LH
163296-592Nut-Lock,NI
17104-70481
18321-42
19106-7489-031Hinge-Floorpan,RH
20106-74981Pocket
Qty.Description
Screw-HH
Screw-HH
Screw-PRH
Cap-Housing
Screw-HH
3361-725B64
SeatandRoll-OverProtectionSystemAssembly
Ref.
PartNumber
298-43711
3322-52
432128-204Nut-HF
5
1-6132352Washer
63296-29
8116-00351
9322-42
10107-30581
21117-38661
Qty.Description
5
Cable-Seat
Screw-HH
Nut-Lock,NI
Seat-Standard
Screw-HH
Catch-Latch,Seat
ROPSKit
573361-725B
SeatAssemblyNo.116-0035
Ref.
PartNumber
1109-98011
2109-98021
3109-98031
4109-98051
5
109-98061
6109-98081
7
82-21901
Qty.Description
SeatTrackSet
ArmRestPadSet
ArmRestSet
SeatBeltKit
Cover-Cushion
Cover-Back
Switch-Bail
3361-725B8A1
Roll-OverProtectionSystemAssemblyNo.117-3866
Ref.
PartNumber
11
1:2107-21011
Qty.Description
UpperTubeASM
Decal-ROPS
1:3107-21021Decal-Warning,Folding
ROPS
232128-232Nut-HF
43296-732Nut-Lock,NI
5
107-30691Decal-Warning,Folding
ROPS
6325-132
7
109-23652
81
91
9:3323-68
Screw-HH
Bumper-Rubber(W/Stud)
Tube-Support,LH
Bag-Bolt,ROPS
Screw-HH
9:498-59758Washer-Belleville
9:53290-3578Nut-HHF,Whiz
101
Tube-Support,RH
Ref.
■
PartNumber
113296-292Nut-Lock,NI
12107-30581
13322-32
14109-98051
15110-08741
Qty.Description
Catch-Latch,Seat
Screw-HH
SeatBeltKit
SeatframeASM
15:23296-391Nut-Lock,NI
15:3107-00761
15:4107-00751
15:5107-30831
Spring-Torsion
Bushing-Latch,Seat
LatchASM
15:63256-241Washer-Flat
■
●■
15:7323-201
15:8103-44341
Screw-HH
Grip-Lever
15:93296-392Nut-Lock,NI
15:10323-392
16103-45532
■
Screw-HH
ROPSFoldPinASM
●
Notillustrated
A193361-725B
■
Notservicedseparately
MainFrameandRearWheelAssembly
Ref.
10:1103-05891
10:21-6339264
PartNumber
11-632217-031
2108-59632
2:11-6331311Yoke-Linkage,Brake
2:2108-59801Rod-Brake
2:33219-31Nut-Hex
3103-23993
4114-11854
5
109-89722
5:11-6339931Tire
5:2109-31561
5:3232-271
6242-508Nut-Lug
7
87-72704Washer-Thrust
81-8068002
91-5231572
10103-05902
11322-96
12103-03742Retainer-Band,Brake
13103-03552Band-Brake
14103-03846
15325-188
Qty.Description
Shaft-Brake
BrakeRodASM
Pin-Spring,Clevis
Spacer-Wheel,Long
WheelAndTireASM
RimASM
Stem-Valve
Pin-Cotter
Washer-Spacer
HubAndWheelASM
WheelHubASM
Stud-Wheel
Screw-HH
Spacer
Screw-HH
Ref.
23:11-6331312Yoke-Linkage,Brake
23:21-6334771Rod-Brake
23:33219-32Nut-Hex
26:21-6332681
PartNumber
16103-0352-032Bracket-Brake
1714812
183256-44Washer-Flat
191-6334542
20103-3271-032
213219-34Nut-Hex
221-6331442Pin-Trunion
23108-59621
241-8082851
253272-102
261-6345001
271-5131402
2932128-498Nut-HHF
31114-11844
32323-44
341-6331022
353290-3574Nut-HHF,Whiz
36109-79492Decal
Qty.Description
Fitting-Grease
Spring-Brake
Plate-Reinforcement
BrakeRodASM
Pin-Clevis
Pin-Cotter
BrakeLeverASM
Grip-Lever
Bearing-Control
Spacer-Wheel,Short
Screw-HH
Bearing-Flange,Side
3361-725B106
HydroControlAssembly
Ref.
21:1106-99871
22:1106-99871
PartNumber
11-6331024
2107-34801
332128-2010Nut-HF
43256-34Washer-Flat
63290-3576Nut-HHF,Whiz
7
3296-294Nut-Lock,NI
81-4031803
9322-411
103272-52
111-3031052Yoke-Adjustable
123219-24Nut-Hex
133220-22Nut-Jam
143256-22Washer-Flat
15107-34811
161-8082802
173296-396Nut-Lock,NI
18103-04072
1998-59754Washer-Belleville
20323-64
21108-72371
22108-72381
23323-96
Qty.Description
Bearing-Flange,Side
LHMotionControlASM
Screw-HH
Screw-HH
Pin-Cotter
RHMotionControlASM
Pin-Clevis
Arm-Shaft,Control
Screw-HH
RHLeverASM
Grip-Control,Motion
LHLeverASM
Grip-Control,Motion
Screw-HH
Ref.
29:11-5430171Balljoint-RH
29:21-3232452
29:3103-30601Knob-Tracking
29:43219-21Nut-Hex
29:5107-34721
29:61-8045242Nut
29:71-6331521Balljoint-LH
29:8103-11661
34:11-5430171Balljoint-RH
34:23219-23Nut-Hex
34:3107-34731
34:41-8045241Nut
34:51-6331521Balljoint-LH
PartNumber
241-6037352Bushing-Flanged
251-6038072
26322-54
271-6037372Bolt-Return,Neutral
28107-3470-032
29107-34741
303296-474Nut-Lock,NI
31323-46
32109-23392
331-8030222
34107-34751
Qty.Description
Spring-Return,Neutral
Screw-HH
HydraulicControlArmASM
RHControlRodASM
Spring-Compression
Rod-Control,RH
Spacer-Tube,PumpLink
Screw-HH
Damper-Control,Motion
Screw-Set
LHControlRodASM
Rod-Control,LH
7113361-725B
Engine,MuferandAirCleanerAssembly
Ref.
PartNumber
11Engine-Kawasaki,
2105-16781
2:1103-15111
2:2103-15121
2:3103-27591
2:4103-15642
32412-423
498-59756Washer-Belleville
5
33115-0202
1095-58051
1195-58061Bracket-Mounting
1333014-004Nut-Hex
143253-44Washer-Lock
1533115-0254
Qty.Description
Fd791D-As
MuferKit(W/Arrester)
Arrestor-Spark
Clamp-Mufer
Mufer
Gasket-Exhaust
Clamp-Hose
Screw-HH
AirCleanerASM
Screw-HH
Ref.
PartNumber
20110-62271
●■
23110-6226-031Bracket-Mount,Ac
24322-62
Qty.Description
Hose-AirCleaner,Inlet
Screw-HH
253296-294Nut-Lock,NI
283296-421Nut-Lock,NI
293256-222Washer-Flat
30110-62451
31321-101
32110-62221
Clamp-R
Screw-HH
Hose-AirCleaner,Outlet
37109-08781Adapter
3892-68771
39106-70221
46322-42
Valve-Drain,Oil
Tube-Drain,Oil
Screw-HH
473256-38Washer-Flat
●
Notservicedseparately
3361-725B128
■
Obtainpartsfromwww.kawpowerepc.com
AirCleanerAssemblyNo.95-5805
Ref.
PartNumber
2108-38111Filter-Air
394-36521
487-94001Valve-Vacuator
5
285-171Plug-Pipe
Qty.Description
CoverASM
A2133361-725B
HydroandGearboxAssembly
Ref.
PartNumber
Qty.Description
15-06981Key
23290-3572Nut-HHF,Whiz
31-6036102
4114-81521
5
3296-392Nut-Lock,NI
7
3230-222
Washer-Spring
Retainer-Clutch
Screw-CARR
83296-293Nut-Lock,NI
9114-44301
9:2114-44231
103212-61
111-8030222
DHydroSpringKit
Cover-Spring
Screw-HH
Screw-Set
12107-99101Belt-V
133256-24
1433114-02511
15112-23351
5
Washer-Flat
Screw-HH
StubShaft
16110-38641Pulley
17108-59102Pulley-Flat
19110-57591Belt-V
21110-62161
21:2103-46812
21:314811
221
22:1110-57711
IdlerArmASM
Sleeve-Bearing
Fitting-Grease
Gearbox
Gearbox-90DEG
Ref.
PartNumber
Qty.Description
22:2110-38621Pulley
22:3110-08921Pulley
22:41-8030224
22:567-74902
23112-17811
24114-44051
251-5133081
26110-62151
26:2103-46812
26:314811
Screw-Set
Key-Square
Strap-Stop,Clutch
Clutch-Electric
Spring-Idler,Deck
IdlerArmASM
Sleeve-Bearing
Fitting-Grease
271-6030442Bushing
283231-62
Screw-CARR
293256-42Washer-Flat
30110-62491
Adapter-Shaft,Stub
313253-44Washer-Lock
32322-44
33323-122
Screw-HH
Screw-HH
34110-08761Tool-Alignment,Pulley
3565-98203
Spacer
363256-234Washer-Flat
●
385-13361
39114-44232
37322-51
Screw-HH
Key-Square
Cover-Spring
●
Notservicedseparately
3361-725B149
90DegreeGearboxAssemblyNo.110-5771
Ref.
PartNumber
1114-44131
2110-08531Housing-Pinion
3114-44141
4110-08441
5
114-44151
6110-08471
7
110-08461
8110-08483
9110-08493
10100-45741
11100-45751
12110-08501
14100-45921
15100-45931
16100-457812
17100-45793Plug
183257-332
19100-45811Washer
20100-45822
21110-08511
22110-08521NutLock
23100-58171
24100-58161
Qty.Description
Case
Cap,End,Open
Shaft-Pinion
Shaft,Cross
Gear-Shaft,Cross
Gear-Pinion
Bearing-Cup
Bearing-Cone
Cap-End,Closed
Seal
Seal-Shaft,Cross
Shim-Blue,.005In
Shim-Green,.003In
Screw
Key-Woodruff
O-Ring
O-Ring
Bearing-Cup
Bearing-Cone
A3153361-725B