FormNo.3359-258RevB
TX525
CompactUtilityLoader
ModelNo.22333—SerialNo.280000001andUp
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
DPA:DualPointAdjustment
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
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.
RRB:rearrollerbrush
SFH:slottedllisterhead
SHH:slottedhexhead
SHWH:slottedhexwasherhead
SPH:slottedpanhead
SQH:squarehead
SRH:slottedroundhead
STD:standard
TAP:selftapping
TTH:torxtrusshead
2
Contents
MainFrameandFuelT ankAssembly..........................................................................5
TrackandTractionAssembly.................................................................................6
ParkingBrakeAssembly.....................................................................................7
LoaderT ower,FuelPumpandDriveAssembly..................................................................8
Filter/WaterSeparatorAssemblyNo.63-7650.................................................................9
TractionHydraulicAssembly................................................................................10
HydraulicPumpAssemblyNo.106-9590and106-9591.........................................................11
HydraulicMotorAssemblyNo.106-7654......................................................................12
RadiatorandAirCleanerAssembly...........................................................................13
AirCleanerAssemblyNo.99-3160...........................................................................14
EngineandPumpAssembly.................................................................................15
HydraulicPumpAssemblyNo.106-9589......................................................................17
TractionControlAssembly..................................................................................18
PrincipalHydraulicAssembly................................................................................19
TwoSpoolValveAssemblyNo.106-9307.....................................................................21
OneSpoolValveAssemblyNo.104-2831.....................................................................22
LoaderArmAssembly......................................................................................23
LoaderArmHydraulicAssembly.............................................................................24
LeftHandHydraulicLiftCylinderAssemblyNo.104-6267.......................................................25
RightHandHydraulicLiftCylinderAssemblyNo.104-6269......................................................26
HydraulicCylinderAssemblyNo.105-8370...................................................................27
QuickAttachAssembly.....................................................................................28
ElectricalSystemAssembly.................................................................................29
HoodAssembly............................................................................................30
RearAccessCoverAssembly...............................................................................31
ControlPanelAssembly....................................................................................32
GrillAssembly.............................................................................................33
CrankcaseAssembly.......................................................................................34
OilPanAssembly..........................................................................................35
CylinderHeadAssembly....................................................................................36
GearCaseAssembly.......................................................................................37
HeadCoverAssembly......................................................................................38
OilPumpandDipstickAssembly.............................................................................39
MainBearingCaseAssembly...............................................................................40
CamShaftandIdleGearAssembly..........................................................................41
PistonandCrankshaftAssembly.............................................................................42
Flywheel,FuelCamshaftandGovernorShaftAssembly.........................................................43
IdleApperatusandStopSolenoidAssembly...................................................................44
InjectionPumpandGovernorAssembly.......................................................................45
SpeedControlPlateAssembly...............................................................................46
NozzleHolderandGlowPlugAssembly......................................................................47
NozzleHolderandComponents.............................................................................48
FuelPumpandFilterAssembly..............................................................................50
FuelCover,AlternatorandPulleyAssembly...................................................................51
AlternatorComponents.....................................................................................52
StarterAssembly..........................................................................................53
StarterComponents........................................................................................54
OilSwitchandThermometer................................................................................55
WaterFlange,ThermostatandWaterPumpAssembly..........................................................56
WaterPipeAssembly.......................................................................................57
FanAssembly.............................................................................................58
ValveandRockerArmAssembly.............................................................................59
InletManifoldAssembly....................................................................................60
ExhaustManifoldAssembly.................................................................................61
©2011—TheT oro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
Contactusatwww.Toro.com.
3
PrintedintheUSA.
AllRightsReserved
Contents(continued)
GasketKitsandOperatorManual............................................................................62
AttachmentsandAccessories...............................................................................63
4
MainFrameandFuelTankAssembly
Ref.
1:7:1237-791
PartNumber
1115-07551
1:2100-88212Decal-Warning,Pinch
1:393-90844
1:4107-35571
1:5108-6297-011
1:698-99406
1:7353-9882Plug-Hex
1:893-66861
261-27901
3100-20971
4237-1231
5
93-74981Plug-Plastic
6108-62641Tank-Fuel,Diesel
7
1133721
8100-12981
93253-17
103250-31
Qty.Description
5
5
ChassisASM
Decal-Point,Lift
Gasket-Cover,Access
Cover-Tank
Screw
O-Ring
Decal-Oil,HYD
Filter-Screen
Dipstick-Oil
O-Ring
Gasket-Sender,Fuel
Sender-Fuel
Washer-Lock
Screw-PPH
Ref.
26:1237-421
PartNumber
1198-01851
1246-65602Bushing
13108-6267-011Panel-Rear
14108-6273-011
15322-31
1632144-113
17106-9559-011
183296-234Nut-Lock,NI
19107-21721
20325-56
213296-291Nut-Lock,NI
223256-262Washer-Flat
23104-52281
242412-802
25108-63441Hose-Fuel
26353-9891Plug-Hex,Hollow
Qty.Description
PipeStandASM
Clamp-Tank,Fuel
Screw-HH
Screw-HWHTF
RearChassisASM
Cap-Diesel
Screw-HH
Fitting-Elbow,90DEG
Clamp-Hose
O-Ring
253359-258B
TrackandTractionAssembly
Ref.
PartNumber
1108-4691-032Arm-T ensioner
295-36242
3108-46642Block-Tensioner
498-98462Bolt-Tensioner
5
3253-78Washer-Lock
6325-58
7
32128-322Nut-HHF
8321-372
9108-5643-032Wheel-Drive
10107-93192Nut-Hex
1198-98002Track
12106-759520
13106-755720
14327-420
Qty.Description
Spring-Compression
Screw-HH
Screw-HH
Ring-Snap,Internal
Cap-Wheel,Bearing
Screw-HH
Ref.
16:293-42371Bearing
16:3253-1181
20:1104-5747-031Wheel-Tensioner
20:298-98351
20:393-42372Bearing
PartNumber
15106-758520
16106-762120
17106-7590-032
18327-172
193256-74Washer-Flat
20104-57452
213296-242Nut-Lock,NI
2298-47992
Qty.Description
Gasket-Bogie
RoadWheelASM
Seal-Oil
Guide-Track
Screw-HH
TensionerWheelASM
Spacer-Wheel,T ensioner
Tube-Spacer
3359-258B63
ParkingBrakeAssembly
Ref.
PartNumber
1233-211Knob
2112-2694-031
43272-11
5
283-671
6100-62742
7
3245-202
8100-16781
9321-64
10112-2789-031Bar-Link,BrakeRH
11112-2735-032Plate-Brake
123296-424Nut-Lock,NI
13112-27911
143296-392Nut-Lock,NI
15112-26951
Qty.Description
BrakeHandleASM
Pin-Cotter
Pin-Clevis
Tube-Guide
Screw-HSH
Spring
Screw-HH
Cable-Brake
Spring-Leaf
Ref.
PartNumber
1694-61771
17100-46971
1893-23681Bushing-Flange
19114-12531
20114-12541
21114-12551
22323-211
2398-06911Washer-Hardened
24112-2788-031Bracket-Mounting,Brake
25112-2733-031Bracket-Mounting,BrakeLH
26112-2734-031Bar-Link,BrakeLH
27110-0224-031
2832104-324
Qty.Description
Bolt-Shoulder
Tube-Convoluted
Bracket-Cable,Spring
Spring-Compression
Spacer-Spring
Screw-HH
RH
Support-Bar,Brake
Screw-HWH
573359-258B
LoaderTower,FuelPumpandDriveAssembly
Ref.
11:2256-1322Bushing-Flange
PartNumber
1115-07621
1:2112-25401
1:393-78141Decal-Danger
43296-393Nut-Lock,NI
5
3296-293Nut-Lock,NI
6100-6123-012
7
32128-5210Locknut-Flange
8100-611610
93231-261
10104-57391
11112-24111
123256-681Washer-Flat
13322-131
1495-37071Pulley-Idler
19108-62621V-Belt
203296-382Nut-Lock,NI
213256-252Washer-Flat
22106-5710-032Pulley
Qty.Description
LoaderT owerASM
Decal-Panel,Control
Plate-Stiffener
Screw-HHF
Screw-CARR
Spacer-Mounting
IdlerArmASM
Screw-HH
Ref.
PartNumber
23105-03831
25100-12712
26323-232
273-61682Key
28322-52
30108-6321-011Bracket-Pump,Fuel
3192-23794
32107-01221Pump-Fuel,Electric
33304-961Elbow
34321-54
3563-76501
36353-7811Fitting-Elbow
373296-424Nut-Lock,NI
38110-41101Hose-Fuel
391-5435261Hose-Fuel
40108-32831Hose-Fuel
412412-982
42112-24091
432412-731
Qty.Description
Spring-Extension
Tube-Spacer
Screw-HH
Screw-HH
Clamp-Hose
Screw-HH
Separator-Filter/Water
Clamp-Hose
Retainer-Spring
Clamp-R
3359-258B86
Filter/WaterSeparatorAssemblyNo.63-7650
Ref.
PartNumber
163-82801
263-82901Vent-Air
363-83001
3:163-83101Valve-Drain
Qty.Description
HeadASM
Element-SpinOn
A193359-258B
TractionHydraulicAssembly
Ref.
15:1237-301
15:2237-791
16:1237-791
16:2237-1511
PartNumber
1112-25621
298-02001
3340-1571Fitting-HYD,T ee
3:1237-791
3:2237-302
4106-93301
5
340-1091Fitting-HYD,T ee
5:1237-791
5:2237-302
6340-982
6:1237-791
6:2237-301
7
107-36311
8107-36321
9108-63481
10112-24411
1132128-524Locknut-Flange
12106-95901Pump-HYD,RH
13106-95911Pump-HYD,LH
143334-9451
1599-61602
16340-1552
Qty.Description
HYDHoseASM
HYDTubeASM
O-Ring
O-Ring
HYDTubeASM
O-Ring
O-Ring
Fitting-HYD,90DEG
O-Ring
O-Ring
HYDHoseASM
HYDHoseASM
HYDHoseASM
HYDHoseASM
CableTie
Fitting-Elbow,90DEG
O-Ring
O-Ring
Fitting-HYD,Straight
O-Ring
O-Ring
Ref.
17:1237-651
17:2237-801
21:1237-791
30:1237-301
30:2237-811
31:1237-811
31:2237-582
34:1237-301
34:2237-811
PartNumber
17340-74Adapter
18106-76542Motor-HYD
193253-78Washer-Lock
20325-128
21354-1201
22103-19641
23354-941Fitting-Female,Barbed
262412-362
2868-61501Breather
2998-2763-032Plate-Mounting,
30100-42401Fitting-Adapter
31100-48361Fitting-Tee
33325-64
34108-63061
35107-36341
36107-36331
Qty.Description
O-Ring
O-Ring
Screw-HH
Fitting-HYD,90DEG
O-Ring
Hose-Drain,Oil
Clamp-Hose
Wheelmotor
O-Ring
O-Ring
O-Ring
O-Ring
Screw-HH
Valve-Check,HYD
O-Ring
O-Ring
HYDTubeASM
HYDTubeASM
3359-258B107
HydraulicPumpAssemblyNo.106-9590and106-9591
Ref.
PartNumber
1100-61101
294-19131
3100-61121Plate-Valve
Qty.Description
OverhaulSealKit
CylinderBlockASM
A2113359-258B
HydraulicMotorAssemblyNo.106-7654
Ref.
PartNumber
1100-61311
2106-76451
3100-4241
43257-421
5
108-56341Housing-Mount,Motor
Qty.Description
7
SealKit
Coupling-Shaft
Screw-HH
Key-Woodruff
3359-258B12A3
RadiatorandAirCleanerAssembly
Ref.
20:1106-95971
20:2106-95951Radiator
PartNumber
12412-923
2108-6395-033Plate-Backing
3322-64
4108-63721
5
112-24661Pad-Rubber
693-94041
7
321-26
83253-34Washer-Lock
9108-63121Tube-Filler,Radiator
1093-59571
113256-222Washer-Flat
1299-31601
13108-6207-031
141-6431631
1592-23792
16110-41101Hose-Fuel
17107-3645-031Mount-Filter,Air
18108-63471
20106-95961
21112-24014Pad-Rubber
22108-63091Hose-Radiator
232412-346
24108-63101Hose-Radiator
25112-24591Hose-Radiator
27112-2458-031
Qty.Description
Clamp-Hose
Screw-HH
Seal-Foam
Decal-Only,Coolant
Screw-HH
Cap-Radiator
AirCleanerASM
Spacer-Fan,Mount
Tank-Overow
Clamp-Hose
Shroud-Fan
RadiatorAndOilCooler
ASM
Cooler-Oil,HYD
Clamp-Hose
Bracket-Tank,Overow
Ref.
41:1237-811
41:2237-651
PartNumber
28108-63361Hose-Air,Inlet
29112-24311Hose-Air
303256-234Washer-Flat
3199-51322Bolt
331-6431641
35322-38
363296-298Nut-Lock,NI
37108-63433
40112-24421
41340-1391
4232144-113
43108-6397-031Mount-Radiator
44108-63621
4533114-0202
46108-6390-031
48112-2440-031
493234-122
5146-65501
5246-65601Bushing
5332128-202Nut-HF
54112-25292
55
108-63441Hose-Fuel
56106-67551
57
2412-801
58285-171Plug-Pipe
Qty.Description
Cap-Tank,Overow
Screw-HH
Screw
HYDHoseASM
Fitting-HYD,90DEG
O-Ring
O-Ring
Screw-HWHTF
Plate-Bafe,Starter
Screw-HH
BracketASM
RadiatorBracketASM
Screw-HHF
Fitting-Elbow,90DEG
Foam-Seal
Decal-Cap,Radiator
Clamp-Hose
8133359-258B
AirCleanerAssemblyNo.99-3160
Ref.
PartNumber
199-31731Element-Filter,Air
299-31742
399-31751Valve-Ejector,Dust
499-31761
5
99-31831
699-31841Housing
7
99-31981
899-31971
Qty.Description
Clip-Cleaner,Air
Cover
TubeASM
Filter-Safety
MountingBracketASM
3359-258B14A4
EngineandPumpAssembly
Ref.
PartNumber
1106-95891Pump-HYD
2108-6235-031Pump-Mount
3108-6211-031Plate-Mount,Pump
4108-63141
4:1106-95621
4:2106-95871
4:3106-95611
4:4108-63831
5
108-63151
699-51326Bolt
7
2412-343
887-81701Fitting
8:1237-801
9100-42021
9:1237-811
10108-6343
1133114-0204
123274-264
13324-62
1432128-422Nut-HF
15108-63161
16106-95921Engine-Kubota
17108-6269-031Mount-Engine,LH
18108-6271-031Mount-Engine,RH
19107-36404Mount-Engine
20107-3617-032Plate-Mount,Engine
2199-83431
Qty.Description
5
CouplingASM
Hub-Coupling
Sleeve-Hub
Sleeve-Coupling
Ring-Snap,Coupling
Hose-Formed,Suction
Clamp-Hose
O-Ring
Fitting-HYD,90DEG
O-Ring
Screw
Screw-HH
Screw-HSH
Screw-HH
Hose-Formed,Suction
Gasket-Mufer
Ref.
PartNumber
22108-59221
2314648916Rivet
243220-12Nut-Jam
26322-41
27114-85991
283245-91
292412-362
30324-42
31321-182
3232152-42
33112-2403-031
34106-95841
35110-08631
363217-261Nut-Hex
373234-54
393256-238Washer-Flat
42106-9588-031Pulley
4342-960010
4443-009010
4832152-16
49322-28
5063-74004Washer-Rebound
51108-6340-032
52323-124
533296-3910Nut-Lock,NI
54323-76
56108-59281
5899-69321Fitting-Hose,Barbed
Qty.Description
Bracket-Support,Throttle
Screw-HH
Hose-Drain,EngineOil
Screw-Set,HSH
Clamp-Hose
Screw-HH
Screw-HH
Nut-Lock,Cone
Support-Mufer
MuferASM
Screw-Torx
Screw-HHF
Washer-Lock,Spring
Screw-HH
Nut-Lock,Cone
Screw-HH
Strap-Rebound
Screw-HH
Screw-HH
Swivel-Stop,Cable
9153359-258B
EngineandPumpAssembly(continued)
Ref.
58:1237-1171
59:1237-1461
PartNumber
59354-781
602412-1291
61108-63561
62108-63541
63112-25641
Qty.Description
O-Ring
Connector-Hose
O-Ring
Clamp-Hose
Plate-Bafe,Lower
Plate-Bafe
HeatShieldBafeASM
Ref.
63:2104-99831
63:33269-312Rivet-Pop
66:198-93991
PartNumber
64322-33
66114-85871Fitting-Hose
68112-2533-032
69112-24494
Qty.Description
Plate-HotSurface
Screw-HH
Gasket
Guide-Cable
Bracket-Shield
3359-258B169
HydraulicPumpAssemblyNo.106-9589
Ref.
PartNumber
1100-42381
2107-93161
2:11
2:21
2:32Ring-Backup
2:42
2:52Ring-Backup
2:62
2:71
Qty.Description
Key-Square
SealKit
Seal-Shaft
Seal-Square
Seal-Gear
Seal-Gear-Rear
O-Ring
●
●
●
●
●
●
●
●
Notservicedseparately
A5173359-258B
TractionControlAssembly
Ref.
PartNumber
1322-34
268-29702Bushing
3322-71
4251-2591Bearing-Ball
5
88-74501
63296-471Nut-Lock,NI
7
3274-511
83256-221Washer-Flat
93253-31Washer-Lock
103217-51Nut-Hex
11323-81
123296-2910Nut-Lock,NI
1398-84071Lever-Return,RH
14108-47241
1563-26502
1632151-911Ring-Retaining
17108-97433Washer-Plain
1898-84081Lever-Return,LH
193296-391Nut-Lock,NI
Qty.Description
Screw-HH
Screw-HH
Spacer-Lever,Control
Screw-HSH
Screw-HH
Spring-Extension
Screw-Shoulder
Ref.
22:2256-2522Bearing-Flange
PartNumber
20112-27831
21257-81Washer-Thrust
22106-57371
23106-57451
2492-31332
252411-522Bearing-RodEnd,RH
263274-832
273220-22Nut-Jam
2895-37112Rod-Linkage
29322-62
30106-57392
312411-532Bearing-RodEnd,LH
32100-54402
33321-92
343296-422Nut-Lock,NI
353256-396Washer-Flat
3695-37032
Qty.Description
PivotLeverASM
ControlSupportASM
DriveRodASM
Spacer-Lever,Traction
Screw-HSH
Screw-HH
Arm-Control,Pump
Pin-Spring,Slotted
Screw-HH
Washer-Spring,Wave
3359-258B1811
PrincipalHydraulicAssembly
Ref.
14:1237-791
14:2237-1511
20:1237-221
20:2237-421
PartNumber
1106-93071
251-20701Nut
3108-46751
4233-211Knob
5
340-1612Fitting-Bulkhead
5:1237-302
6106-93101
7
106-93111
8340-44
8:1237-301
8:2237-791
9322-112
10104-28271
11112-27381
12112-26051
13104-28311
14340-1532
15112-25611
1648-77401
17112-24431
18237-421
1972-43101
20340-24
Qty.Description
2SpoolV alveASM
Shaft-Handle,Loader
O-Ring
HYDTubeASM
HYDTubeASM
Fitting-HYD,Straight
O-Ring
O-Ring
Screw-HH
Spacer-Hio
Spring-Torsion
Grip-Rubber
1SpoolV alveASM
Fitting-Elbow,90DEG
O-Ring
O-Ring
HYDHoseASM
Screw
HYDHoseASM
O-Ring
Switch-Ball
Fitting-HYD,Straight
O-Ring
O-Ring
Ref.
27:1237-651
27:2237-801
28:1237-222
31:1237-301
31:2237-811
34:1237-791
34:2237-302
40:1237-223
PartNumber
21106-93151
22106-93131
23106-93121
24106-93141
25106-93851
27340-171
28340-714
293296-292Nut-Lock,NI
30340-706Nut-Lock
31100-42401Fitting-Adapter
3292-58211
3386-30102
34340-1091Fitting-HYD,T ee
353253-32Washer-Lock
36321-42
37340-1272Nut-Bulkhead
38322-33
393253-43Washer-Lock
40340-682Fitting-Tee,Bulkhead
41106-93161
Qty.Description
HYDTubeASM
HYDTubeASM
HYDTubeASM
HYDTubeASM
HYDTubeASM
Fitting-HYD,90DEG
O-Ring
O-Ring
Fitting-Straight,Bulkhead
O-Ring
O-Ring
O-Ring
FilterHeadASM
Filter-Oil
O-Ring
O-Ring
Screw-HH
Screw-HH
O-Ring
HYDTubeASM
12193359-258B
PrincipalHydraulicAssembly(continued)
Ref.
PartNumber
42106-93171
43112-25601
443256-161Washer-Flat
453296-421Nut-Lock,NI
Qty.Description
HYDTubeASM
HYDHoseASM
Ref.
PartNumber
46112-27391
47100-56161Fitting
48354-791
Qty.Description
AuxiliaryLeverASM
Cap-Dust
3359-258B2012