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enGine and aTTachinG parTs - Kohler lp .........................................................................................16
BraKe and sTeerinG componenTs ......................................................................................................18
hYdraulic sYsTem - Kohler lp .............................................................................................................20
lp sYsTem - Kohler ...................................................................................................................................22
STT, ROPSBolt, Hex Head 1/2-13 x 4”Nut, Center Lock 1/2-13Flatwasher, 1/2-.562 x 1.375 x .109Pin Assembly (incl. #9 & #10)Bolt, Hex Head 1/2-13 x 3-3/4”Nut, Center Lock 1/2-13Stop Bracket, ROPSSpring, ROPSClip, ROPSSpring Clip, ROPS
Nut, Serrated Flange 1/4-20Bolt, Carriage 1/4-20 x 1/2”Nut, Elastic Stop 5/16-18 Grade 8Bolt, Hex Head 5/16-18 x 1-3/4” Grade 8Key, 1/4 x 1/4 x 1-1/2”Bolt, Hex Head 3/8-16 x 4-1/2” Grd 8 BlackWasher, 3/8” HardenedBolt, Hex Head 3/8-16 x 1-3/4” Grd 8 BlackBolt, Hex Head 3/8-16 x 1-1/2” Grd 8 BlackBolt, Hex Head 3/8-16 x 2-1/2” Grd.8Nut, Center Lock 3/8-16Bolt, Hex Head 3/8-16 x 1-1/2” Grd 8 BlackNut, Elastic Stop 3/8-16Bolt, Hex Head 3/8-16 x 2”Bolt, Hex Head 1/4-20 x 1-3/8”Lockwasher, 1/4” SpringBolt, Hex Head 7/16-20 x 2-1/2” UNFLockwasher, 7/16” SpringFlatwasher, 7/16 (.469 x 1.75 x .25”)Bolt, Hex Head 1/4-20 x 1” Grade 8Bolt, Hex Head 3/8-16 x 1-3/4”Nut, Serrated Flange 5/16-18Nut, Elastic Stop 3/8-16Bolt, Hex Head 3/8-16 x 1”Nut, Center Lock 3/8-16Bolt, Hex Head 3/8-16 x 1-3/4”Key, 1/4 x 1/4 x 2-1/4”Key, 1/4 x 1/4 x 1”BracketSpacerBolt, Hex Head 3/8-16 x 1”
Muffler GuardScrew, Hex Serrated Flange 1/4-20 x 3/4”Muffler, Part Of Engine (Available only through Kohler)Oil Drain ExtensionU-Nut, 1/4-20Rear CoverHour Meter, InductiveEngine, Kohler 25 CH LP (Available only through Kohler, Eng. Spec. PS-CH730-0220)Bolt, Hex Head 3/8-16 x 1”Lockwasher, 3/8” SpringBolt, Hex Head 3/8-16 x 1-3/4”Nut, Hex Elastic Stop 3/8-16Bolt, Hex Head 3/8-16 x 1-1/4”Plate, Engine MountingBolt, Carriage 5/16-18 x 3/4”Nut, Hex Serrated Flange 5/16-18
** Available through the individual engine manufacturer.
Grip, Handle BarHandle Bar, LH (Includes item 1)Handle Bar, RH (Includes item 1)Bolt, Hex Head 5/16-18 x 1”Lockwasher, 5/16”Rubber SpacerBar, Control LeverControl Lever Weldment, LHControl Lever Weldment, RHBolt, Hex Head 5/16-18 x 2”Nut, Hex Elastic Stop 5/16-18Bolt, Hex Head 3/8-16 x 2”Nut, Hex Elastic StopMount, Control Linkage Ball Bearings, Neutral Return SpacerPin, Rue Cotter 3/8” Dia.Bolt, Hex Head, 5/16-18 x 2.75” ZincNut, Hex Elastic Stop 5/8-11Bracket, Control Lever LHBracket, Control Lever RHBolt, Carriage 5/16-18 x 1”Spacer, Bearing Bolt, Carriage 5/16-18 x 3/4”Nut, Hex Serrated Flange 5/16-18Ring, Retaining 5/8” External “E”SpacerBracket, Neutral ReturnBolt, Carriage 1/4-20 x 3/4”Flatwasher, 1/4” (.312 x .750 x .065”)Nut, Hex Elastic Stop 1/4-20Pin, Retaining SpringSpringRoll Pin, Spring 5/32” x 3/4”Pin, Cotter 9/16” x 1-1/2”Rod End, Male 3/8”-24 RH ThreadNut, 3/8”-24 RH ThreadTube, Control Link Air-Cooled EngineTube, Control Link Liquid-Cooled EngineNut, Hex 3/8”-24 LH ThreadRod End, Male 3/8”-24 LH ThreadLocknut, 5/16-18, Elastic StopGas DamperBolt, Hex Head 1/2-13 x 2-1/2” Grade 8Grease FittingLever, Parking Brake (Includes item 43)Grip, Parking BrakeBolt, Hex Head 3/8-16 x 2-3/4”Nut, Hex Serrated Flange 1/2-13
Clevis, Traction ControlPin, Clevis 3/8-16 x 1-1/16”Pin, Cotter 3/32 x .75”Rod, Parking BrakeRod End, LH ThreadBushing, Self AlignBolt, Hex Head 5/16-18 x 3/4”Bolt, Hex Hd 3/8-24 x 5-1/4”, 23/4” ThrdSwitchScrew, Hex-Slotted Washer Head #10 32 x 3/4”Brake Linkage, LHBrake Linkage, RHBellcrank, Brake ActuatorSpringBolt, Hex Head 1/2-13 x 3-3/4”Locknut, Hex 1/2-13 Center LockBolt, Hex Head 1/2-13 x 2-1/2”Wheel Motor, RossBolt, Hex Head, 5/16-18 x 1.75”, ZincBrake Band AssemblyPin, Clevis 3/8” Dia. x 1.93”SpacerWheel Hub/Brake Drum AssemblyKey, Woodruff 5/16 x 1”Wheel Assembly 23 x 10.5-12 (52” Only)Rim W/Valve Stem (52” Only)Tire, 23 x 10.5-12 (52” Only)Wheel Assembly 24 x 12-12 Turf MasterRim W/Valve StemTire, 24 x 12-12 Turf MasterLug Nut, 1/2-20Nut, Hex CastleThreaded PlateBolt, Hex Head 3/8-16 x 1-1/2”Plate Weldment, Motor Backing Actuator SwitchBolt, Hex Serrated Flange 5/16-18 x 3/4” Bolt, Carriage 3/8-16 x 4-3/4”Bolt, Hex Head 3/8-16 x 1”SwitchBolt, Hex Head 3/8-16 x 1-1/4” Grade 8 Bolt, Carriage 3/8-16 x 1-1/2”Knob
U-Nut 1/4-20Hose Clamp, 0.69” Dia.Bolt, Hex Head 1/4-20 x 2.0”Hose, 3/8” ID Pushlock - (order by inch)Clamp, Hose 1/2”Elbow, 90 Degree - 9/16” O-Ring x 3/8” HoseElbow, 90 Degree - 3/4” O-Ring x 3/8” HoseOil Filter BaseHose Assembly, 1/2” ID (Tank to Filter Base)Mounting Bracket - LH, Oil CoolerMounting Bracket - RH, Oil CoolerFlatwasher, 3/8” (.391 x .938 x .105”) Grade 8Nut, Hex Elastic Stop 3/8-16Pump, Right HandBolt, Hex Head, 3/8-16 x 1-1/4”Nut, Hex, Elastic Stop 3/8-16Pump, Left HandBlock, Pump ControlBolt, Hex Head 5/16-18 x 1.0” ZincNut, Serrated Flange 5/16-18Oil FilterTee, 3/4” O-Ring x JIC x 1/2” HoseNut, Hex Elastic Stop 1/4-20Cap, Hydraulic TankInsert, Filler NeckO-RingOil Reservoir Assembly (incl. 24, 27, 39)Elbow, 90 Degree .38” HoseBushing, .56” Dia. VitonHose Clamp, 0.69” Dia.Hose, 3/8” ID, Pushlock (order by inch)Screw, Phillips Head, 1/4-20 x 2"CapClamp Plate, Pump ControlClamp, HoseElbow, 90 Degree, 1/2” x 1/2”Bushing, 7/8”-14 JIC x 3/4”-16 O-RingCooler, OilBolt, Hex Head 5/16-18 x 3/4”Roll Pin, Spring 3/16 x 3/4”Elbow, 90 DegreeBushing, .78” Dia. VitonStrap, Hydraulic Tank
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42348548161148572-0404001-5904030-0204001-01
Support Bracket, Hydraulic TankHose Assembly, PumpUnion, 3/4”-16 JIC x 3/4”-16 O-RingBolt, Hex Head, 1/4-20 x 1-1/4”Lockwasher, 1/4” SpringBolt, Hex Head 1/4-20 x 3/4"
Bolt, Heax Head 5/16-18 x 1-3/4"Bolt, Head Head 3/8-16 x 3/4"Bolt, Hex Head 3/8-16 x 1"Nut, Serrated Flange 5/16-18Nut, Serrated Flange 3/8-16Flatwasher, 3/8-.391 x .938 x .105BraceMounting Bracket, Tank Support LHSupport, LP TankBrace, LP Tank Mounting BracketMounting Bracket, Tank Support RHLP Quick CouplerAdapter Fitting, 9/16-18 SAE x 1/4" PipeMounting Bracket Kit (incl. # 15, 16, 17, 18, 19)Mounting Bracket, LP Tank FrontMounting Bracket, LP Tank RearHandle, LP Tank Mounting BracketBracket, LP Tank LocatorBolt, Hex Head 1/4-20 x 3/8" LockingLP TankLP Fuel Line, 10"LP Fuel Line, 32"HoseHoseLP Regulator
** Available through the individual engine manufacturer.
Wire Harness, STT-BV/CHFuse, 20 AMPKey, IgnitionKey Assembly w/FobNut, Hex 5/8-32Lockwasher, 5/8” InternalInstrument Panel, Top w/DecalsKey SwitchSwitch, PTORelayLockwasher, #10 External ToothNut, Hex #10-32AmmeterBase, Instrument PanelLockwasher, 1/4”Bolt, Hex Head 1/4-20 x 3/4”U-Nut, 1/4-20Throttle And Choke Controls (Kohler)Screw, Phillips Washer Head #10-32 x 1/2”Switch, Interlock-SeatBolt, Hex Head 1/4-20 x 1/2”Cable, Battery - Red Nut, Hex 1/4-20Cable, Battery - BlackClamp, Cable 1/2” ID.Clamp, Cable 3/4” ID.Electronic ModuleBolt, Hex Head M8-1.25 x 20mmLockwasher, 5/16” External ToothDouble Fuse Assembly, Sealed (Incl. items 2, 42, 43, 44)Clip, WireFuse HolderCover, Sealed DoubleWire Harness Adapter, Kohler
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R section 8
replacemenT decals and informaTion plaTes
1 2
5
3
6
4
9
16
18
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2011 STT-25CH-LP Decals 1
WARNINGINSTALL BELT COVER BEFORE
OPERATING MACHINEREAD OPERATOR'S MANUAL
481568
FORWARD
REVERSEFR
13
Heavy-DutyCommercial
481971
12
17
10
11
15
14
483762
CHOKESLOW FAST
482983
PUSH IN TO DISENGAGE
MOWER DECKPULL OUT TO ENGAGE
WARNINGOperation of this equipmentmay create sparks that canstart fires around dry vegetation. A spark arrestor may be required.The operator should contact local fire agencies for laws or regulations relating tofire prevention requirements.