FormNo.3422-366RevA
TRX-16Trencher
ModelNo.22972—SerialNo.402461470andUp
ModelNo.22972G—SerialNo.402000000andUp
Registeratwww.T oro.com.
OriginalInstructions(EN)
*3422-366*A
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
MainFrameAssembly.......................................................................................4
TowerandFuelTankAssembly...............................................................................6
TrackDriveAssembly.......................................................................................8
HydraulicPumpAssemblyNo.117-6409......................................................................10
HydraulicPumpAssemblyNo.117-6410......................................................................12
HydraulicMotorAssemblyNo.104-8470......................................................................14
ParkingBrakeAssembly....................................................................................16
EngineAssembly..........................................................................................18
GearPump,IdlerArmandPulleyAssembly...................................................................20
GearPumpAssemblyNo.114-3072..........................................................................22
HydraulicControlAssembly.................................................................................24
2-SpoolValveAssemblyNo.1 15-4062.......................................................................26
HydraulicMotorAssemblyNo.131-0652......................................................................27
HydraulicOilCoolerAssembly...............................................................................28
TrencherHeadandAugerAssembly.........................................................................30
TractionControlAssembly..................................................................................32
EngineWireHarnessAssembly..............................................................................34
CylinderandCrankcaseAssembly...........................................................................36
PistonandCrankshaftAssembly.............................................................................37
ValveandCamshaftAssembly...............................................................................38
LubricationEquipmentAssembly............................................................................39
CoolingEquipmentAssembly...............................................................................40
ElectricEquipmentAssembly................................................................................41
ControlEquipmentAssembly................................................................................42
CarburetorAssembly.......................................................................................43
AirFilterandMuferAssembly...............................................................................44
FuelPumpandFilterAssembly..............................................................................45
StarterAssembly..........................................................................................46
LabelSet.................................................................................................47
AttachmentsandAccessories...............................................................................48
©2018—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
Contactusatwww.Toro.com.
3
PrintedintheUSA.
AllRightsReserved
MainFrameAssembly
3422-366A4A2
MainFrameAssembly(continued)
Ref.
PartNumber
1127-96021
1:2100-46501Decal-Warning
1:393-78142Decal-Danger
1:493-66861
2114-30751
2:1237-791
3354-1201Fitting-Elbow,90
3:1237-791
4117-6399-011Bracket-Electrical
5
117-63971
6117-63981
7
321-64
83296-424Nut-Lock,NI
9114-30391
10114-30421Hose-Breather
1168-61501Breather
Qty.Description
MainFrameASM
Decal-Oil,HYD
SightGlassASM
O-Ring
O-Ring
Condenser(F/WEngine)
Regulator(F/WEngine)
Screw-HH
In-TankFilterASM
Ref.
PartNumber
122412-362
1593-90842
171-5234201Bumper
1832128-331Nut-HF
19105-4886
20119-4566-031
213234-183
22107-3154
23100-48601
2493-50231
25322-101
2632128-201Nut-HF
27323-121
2832128-402Nut-Flange
29115-6503-011
303234-112
Qty.Description
5
5
Clamp-Hose
Decal-Point,Lift
Nut-Tinnerman
Plate-Cover,Front
Screw-HHF
Nut-Push
Bracket-Clamp
Spacer
Screw-HH
Screw-HH
Cover-Rear
Screw-HHF
53422-366A
TowerandFuelTankAssembly
3422-366A6A3
TowerandFuelTankAssembly(continued)
Ref.
PartNumber
1117-6419-011Tower
23234-118
332128-408Nut-Flange
4100-12681
5
120-73571Tank-Fuel
5:1103-26051Fitting-Fuel,Bulkhead
646-65601Bushing
7
104-52281
8137-41191
9114-3065-011
10107-75071Pad-Foam
112412-1202
12104-70501Tube-Manual
13104-70481
143269-172Rivet-Pop
15322-52
163296-292Nut-Lock,NI
173210-71
183220-21Nut-Jam
19100-12631
20100-12701
213229-202
223256-512Washer-Flat
2332149-72Nut-Keps
243229-12
Qty.Description
Screw-HHF
Switch-Plunger
Fitting-Elbow,90DEG
Cap-Fuel,Ratcheting
Bracket-Cover,T ank
Clamp-R
Cap-Housing
Screw-HH
Screw-HH
Plate-Switch
Switch-Proximity
Screw-CARR
Bolt-CARR
Ref.
35:2115-12311
35:3115-12301
PartNumber
253256-224Washer-Flat
2632149-22Nut-Keps
27114-3012-031Plate-Reverse
28114-13372
2998-84251
3098-84241
31323-112
32256-2572Bushing-Nyliner
333256-242Washer-Flat
343296-392Nut-Lock,NI
35117-63891
36106-77151
3795-17264
40105-12171Decal
43117-62811
44120-75311
45114-87271Rod-Interlock
4685-67501
4788-72001Washer-Flat
483290-3071
49117-62701
50133-56191
Qty.Description
Spacer-Spring
Spring-Torsion,LH
Spring-Torsion,RH
Screw-HH
Panel-Control
Decal-Console,RH
Decal-Console,LH
Bar-Reference
Screw-Taptite
Decal-Side,LH
Decal-Info
Spring-Control
Pin-Cotter
Decal-Side,RH
Decal-Arrester,Spark
73422-366A
TrackDriveAssembly
3422-366A8B2
TrackDriveAssembly(continued)
Ref.
19:1114-3014-031Wheel-Track
19:2120-53781Bearing-Ball
PartNumber
1115-1289-032Bracket-Mount,Pump
2117-64091
3340-44
3:1237-301
3:2237-791
4340-772
4:1237-221
4:2237-421
5
100-48871Fitting-Elbow,90
5:1237-421
6117-64101
7
340-861Fitting-Tee
7:1237-222
7:2237-421
8324-54
932128-424Nut-HF
1080-60902Key-Pump
11115-40022
12115-12982
13108-42112Bushing
1473-35802Washer
1533103-0162
16325-44
1732128-498Nut-HHF
18114-2993-031Frame-Track,RH
19112-481712Wheel-Tensioner
20106-758512
21327-412
Qty.Description
RHHYDPumpASM
Fitting-STR
O-Ring
O-Ring
Fitting-Elbow,90DEG
O-Ring
O-Ring
O-Ring
LHHYDPumpASM
O-Ring
O-Ring
Screw-HH
Spacer
Sheave
Screw-HHF
Screw-HH
Gasket-Bogie
Screw-HH
Ref.
31:1237-301
31:2237-801
38:1237-221
38:2237-791
PartNumber
22106-755712
23106-759512
24114-3077-032Tensioner-Track
253256-264Washer-Flat
26325-84
273296-454Nut-Hex
28112-48742
293217-112Nut-Hex
30104-84702
31340-64
323234-278
33114-2992-031Frame-Track,LH
343234-610
35114-30912Bar-Thread
36117-6426-032Wheel-Drive
37106-81592Nut-Lock
38340-31
39115-12851Tube-HYD
40115-12861Tube-HYD
41115-12871Tube-HYD
42115-12881Tube-HYD
43115-12971Hose-HYD
44117-13051Tube-HYD
45115-40831Hose
462412-362
47112-48162Track-Rubber
Qty.Description
Cap-Wheel,Bearing
Ring-Snap,Internal
Screw-HH
Screw-HH,T AP
HYDWheelMotorASM
Fitting-Straight
O-Ring
O-Ring
Screw-HHF
Screw-HHF
Fitting-Straight
O-Ring
O-Ring
Clamp-Hose
93422-366A
HydraulicPumpAssemblyNo.117-6409
3422-366A10B2A1
HydraulicPumpAssemblyNo.117-6409(continued)
Ref.
PartNumber
1115-44641HousingKit
3106-87532
4106-87544Bolt-HF
5
106-87551
6106-87561
7
104-21221
8106-87571
10104-21112
15106-87591BypassV alveKit
18103-26641
19104-53111Bearing-Ball
20104-53101
21104-53081
22104-53091Ring-Retaining
25103-26661
Qty.Description
Pin-Headless,Straight
O-Ring
ChargePumpKit
GerotorASM
O-Ring
Capscrew
InputShaftKit
Seal-Lip
Spacer
CylinderBlockKit
Ref.
PartNumber
2994-19361
3094-19371Washer-Thrust
31105-61851Plate-Valve
3294-19071
3494-69221Bearing-Thrust
37115-44581Arm-Trunnion,Tapered
3894-19101
4298-32522
44106-87601
49114-81551
56106-87621
66106-87631
99105-61841
Qty.Description
Spring-Block
Swashplate-Variable
Square
Guide-Slot
Valve-Check(W/Poppet)
ChargeReliefV alveKit
TrunnionSealKit
Plug-HSH
Plug-HSH
SealOverhaulKit
●
●
Notillustrated
113422-366A
HydraulicPumpAssemblyNo.117-6410
3422-366A12B2A2
HydraulicPumpAssemblyNo.117-6410(continued)
Ref.
PartNumber
1115-44641HousingKit
3106-87532
4106-87544Bolt-HF
5
106-87551
6106-87561
7
104-21221
8106-87571
10104-21112
15106-87591BypassV alveKit
18103-26641
19104-53111Bearing-Ball
20104-53101
21104-53081
22104-53091Ring-Retaining
25103-26661
Qty.Description
Pin-Headless,Straight
O-Ring
ChargePumpKit
GerotorASM
O-Ring
Capscrew
InputShaftKit
Seal-Lip
Spacer
CylinderBlockKit
Ref.
PartNumber
2994-19361
3094-19371Washer-Thrust
31105-61851Plate-Valve
3294-19071
3494-69221Bearing-Thrust
37115-44581Arm-Trunnion,Tapered
3894-19101
4298-32522
44106-87601
49114-81551
56106-87621
66106-87631
99105-61841
Qty.Description
Spring-Block
Swashplate-Variable
Square
Guide-Slot
Valve-Check(W/Poppet)
ChargeReliefV alveKit
TrunnionSealKit
Plug-HSH
Plug-HSH
SealOverhaulKit
●
●
Notillustrated
133422-366A
HydraulicMotorAssemblyNo.104-8470
3422-366A14B2A3
HydraulicMotorAssemblyNo.104-8470(continued)
Ref.
PartNumber
1115-40611
23257-421
Qty.Description
SealKit
Key-Woodruff
Ref.
PartNumber
399-30901
4120-53951
Qty.Description
Shaft-Coupling
MotorHousingASM
153422-366A
ParkingBrakeAssembly
3422-366A16B3