FormNo.3421-176RevA
MB-1600
MudBuggy
ModelNo.68038—SerialNo.402350000andUp
ModelNo.68038G—SerialNo.402350000andUp
Registeratwww.T oro.com.
OriginalInstructions(EN)
*3421-176*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.
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Contents
EngineandFuelT ankAssembly..............................................................................4
PumpAdaptorandMountingAssembly........................................................................5
PistonPumpandBracketAssembly...........................................................................6
HydraulicPistonPumpAssemblyNo.ST50957.................................................................7
GearMotorandCylinderAssembly............................................................................8
HydraulicMotorAssemblyNo.ST50926.......................................................................9
MainFrameAssembly......................................................................................10
BrakeandHopperAssembly................................................................................11
SteeringHandleandAxleAssembly..........................................................................12
WheelandBrakeAssembly.................................................................................13
FrontWheelandHubAssembly.............................................................................14
HubAssemblyNo.125-8171................................................................................15
HydraulicT ankandDumpPedalAssembly....................................................................16
HydraulicHardLineRoutingAssembly........................................................................18
HydraulicHoseandFittingAssembly.........................................................................19
©2018—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
Contactusatwww.Toro.com.
3
PrintedintheUSA.
AllRightsReserved
EngineandFuelTankAssembly
Ref.
PartNumber
1125-48191
233005-004Nut-HF
3
ST50553-03
4125-05192
5
ST45910-03
6104-26281
7
115-87331
8125-49661
9
ST58582
10119-74442
11127-28102FuelHoseKit
11:12412-982
12130-21011
13130-21171
1433104-0254
●
Obtainpartsfromwww .honda-engines.com
3421-176A4A2
Qty.Description
Engine-Honda,Gx390
1
Deector-Exhaust
Screw-SelfT apping
1
Bracket-Switch,StopFuel
Screw-HWH
Screw-HSH
HangT ag-Run,Stop
1
FuelShutOffValveASM
Screw-HSBH
Clamp-Hose
TankASM
Gauge-Fuel
Screw-HHF
Ref.
●
PartNumber
15
ST39056
1633095-004Washer-Flat
1733115-0504
18114-02841
19119-35471Valve-Vent,Fuel
20108-96981Hose-Fuel
212412-802
22125-49581
23127-28801
24
ST36144
25127-5595-031
26127-5598-031
271-3033351Tie-Plastic
28130-83221Decal-Warning,Ethanol
Qty.Description
1
Valve-Strainer
Screw-HH
Grommet
Clamp-Hose
Decal-Operation
Harness-Wire,ShutDownT
1Filter-Fuel
Plate-TankStandOff
Plate-TankStandOff
PumpAdaptorandMountingAssembly
Ref.
B253421-176A
PartNumber
1
ST32432
23274-14
3
ST37547
4
ST37548
5
ST45154
6
ST45093
7
3234-324
8
ST50952-03
9
ST50953-03
1132128-142Nut-HF
1299-68104
13
ST57909
Qty.Description
1Adaptor-Motor,Pump
Screw-HSH
1
Coupling-Engine
1
Insert-Coupling
1
Coupling-Pump
1
Key-Square
Screw-HHF
1
Plate-Mounting,Cable
1
Cover-Control,Pump
Screw-HHF
1Plug-Button
PistonPumpandBracketAssembly
Ref.
3421-176A6B3
PartNumber
1125-63691
233105-0702
433095-002Washer-Flat
5
125-85571
6125-85551
7
3256-244Washer-Flat
8323-184
9
ST50948
10
ST43873
11
ST50955
123217-54Nut-Hex
Qty.Description
2
2
2
Bracket-Control,Pump
Screw-HHF
Control-PivotRight
Control-PivotLeft
Screw-HH
Spacer-Pivot
Wheel-Cutting,T able
Cover-End,Cable
Ref.
PartNumber
133274-646
143256-224Washer-Flat
15
ST50991
16
ST50951
1733104-0252
1833004-001Nut-HF
19
ST50954
2033114-0252
2133024-002Nut-Lock,NI
22
ST50957
Qty.Description
Screw-HSH
2
Spring-Extension,Control
Pump
1
Plate-Arm,Control
Screw-HHF
1
Plate-Pump,Control
Screw-HH
1
HYDPistonPumpASM
HydraulicPistonPumpAssemblyNo.ST50957
Ref.
B3A173421-176A
PartNumber
1100-61101
2127-38671
3100-61121Plate-Valve
Qty.Description
OverhaulSealKit
CylinderBlockKit
GearMotorandCylinderAssembly
Ref.
3421-176A8B4
PartNumber
1
ST50926
333106-1008
433026-008Nut-Hex
5
ST50501
6
ST50959
7
3220-32Nut-HJ
Qty.Description
2
1
2
HYDGearMotorASM
Screw-HHF
HYDCylinderASM
Cable-Control