18HP 44 Tractor .. Model Number, Cylinder Head | Sears 917.257720

REPAIR PARTS

18HP 44" TRACTOR .. MODEL NUMBER 917.257720

KOHLER ENGINE ° MODEL NUMBER MV18S, TYPE NUMBER 58560

CRANKSHAFT

KEY PART

NO. NO.

152 014 93

2 52 468 03

52 468 04

52 468 05

DESCRiPTiON

Crankshaft

Washer, Thrust .119/.122 (A.R.) Washer, Thrust .128/.131

Washer, Th rust .137/. 140 (A. R,)

ELECTRIC STARTER

KEY PARTDESCRIPTmON

NO, NO.

1	52 098	12	Starter Assembly
2	X-20-1		(Includes Key Numbers 4 thru 9)
2	X-20-1		Washer,	Lock 1/4 (2)
3	X-81-1		Nut, Hex	1/4-20 (2)
4	82 755	26	Kit, Drive
5	52 081	07	Cap, Drive End

DiPSTiCK

KEY PART

NO. NO.

1 52 038 14

2X-25-44

352 032 14

441 153 01

552 126 11

652 123 20

747 139 01

CYLINDER HEAD

KEY PART

NO, NO,

152 04.1 20

2 52 015 08

3 220534

4 41 086 02

DESCRiPTiON

Dipstick Assembly

Includes Key Numbers 2 and 3)

asher, Plain 5/16

Seal, Rubber

Q-Ring

Bracket, Oil Tube Support

Tube, Oil Fill 11-7/8

Plug, Hex, Countersunk

3/4 N.P.T.F.

DESCRiPTiON

Gasket, Head (2)

Cylinder Head (2) Washer. Plain 5/16 (18) Screw, Hex Head 5/16-18 x 1-1/2 (18)

6	52 170 05		Armature
7	52 211	01	Bolt,	Thru (2)
8	52 227	10	Cap, Commutator End
9	82 755	28	Kit,	Brush
NOT ILLUSTRATED
- -	25 450	03	Tag,	Caution

EXHAUST

KEY PARTDESCRiPTiON

NO. NO,

1	52	126 12		Bracket
2	X-25-72			Washer,	Plain (3)
3	52	086	11	Screw	1/4-20 x 5/8 (3)
4	52	041	14	Gasket,	Exhaust (2)

NOTE: All component dimensions given in U.S. inches 1 inch = 25.4 mm

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Sears 917.257720 owner manual 18HP 44 Tractor .. Model Number, Cylinder Head

Contents

Number 917.257720 Ownersmanual IL Slope Operation Safety is Involved Product Specifications Maintenance AgreementLmMREDTWO Year Warranty on Electric Start Riding Equipment Limited 90 DAY Warranty on Battery Repair Maintenance Schedule Performance Engine MaintenanceEssories and Attac Ents Pack Contents ,OF To Remove Tractor from Carton Tools Required for AssemblyBefore Rolling Tractor OFF Skid Unpack Carton Assem LY HOW to SET UP Your TractorCheck Tire Pressure Check Brake System Check Deck Levelness Install Mower and Drive BeltCheck for Proper POSiTiON of ALL Belts Install Battery See Figs, 5 Assembly Know Your Tractor Eration To Move Forward and Backward HOW to USE Your TractorOperati To Operate on Hills OP RATBefore Starting the Engine ADD Gasoune Mowing TipsTo Start Engine See Fig Starting Maintenance Schedule Lubrication ChartFill in Dates AS YOU Complete Regular Service Service Dates General Recommendations Custome Respo Lities To Clean Battery and Terminals Battery See FigCusto ENGmNE Ponsi Ilities CleaningCustome To iNSTALL Mower Service Adju NTSTractor To Remove Mower See Fig To Replace Mower DRIVE. Belt Service and AOJ Stments To Replace Mower Blade Drive Belt To Adjust Attachment Clutch See FigSE CE To Adjust Steering Wheel Alignment Service and AdjustmentsFront Wheel TOE-IN Adjustment To Replace Motion DRmVE Belt See Fig CovE \ SE CE AN a Ustments To Remove Hood and Grill Assembly CE and AdjustmentsTo Adjust Attachment LiFT Spiring See Fig To Adjust Throttle Control Cable See Service aTo Adjust Carburetor See Fig Engine Other Storage SE ICE Otes Correction ProblemCause Cause Correction ProblemTrou Lesh OTI Points 18 HP 44 Tractor = Model Number SchematicWH,TEhi @ Clips Part 18 HP 44 Tractor - Model NumberDescription KEY Electrical 18 HP 44 Tractor Model Number Part 18 HP 44 Tractor --MODEL Number 917,257720 Chassis and Enclosures Descraption Chassis and EnclosuresKEY Part Ground Drive DESCRiPTiON Steering Assembly NO. no KEY Part Model Number ENGIN,E KEY Part NO. no 18 HP 44 Tractor Model Number 917,257720 Seat Assembly Tractor .. Model Number 18 HP20 1918 NO. no Description Mower Deck KEY Part NO. no HP 44 Tractor .- Model Number 9! 7,257720 8887 Transaxle Transaxle Breather and Vent Kohler Engine Model Number MV18S, Type NumberBaffles and Shroud Kohler Engine = Model Number MV18S 18 HP 44 TractorType Number KEY Part Description 18 HP 44 Tractor Model Number 917,257720 Kohler Engine = Model Number MV18S, Type Number 18 HP 44 Tractor = Model Number 9Crankcase Carburetor KEY Part NO. no 18 HP 44 Tractor o Model Number Cylinder Head 18HP 44 Tractor .. Model Number Kohler Engine o Model Number MV18S, Type Number 18 HP 44 TRACTOR- Model ,NUMBER 917o257720 Governor Fuel Pump KEY Partdescription NO. no Kohler Engine Model Number MVlSS, Type NumberFlywheel KEY Partdescription NO. no Camshaft and Valves Kohler Engine Model Number MV18S Type Number LOW OIL Pressure SwitchPiston & ROD Camshaft & Valves RViCE OTE Not Across HiLL Only Ride UP and Down Hill Repair When Ordering Repair PARTS, Always GivePRODUCT- Tractor ,MODEL Number Part Description