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Sears 917.257720 18 HP 44 TRACTOR = MODEL NUMBER ENGINE, Repair Parts, Key Part No. No

Models: 917.257720

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18 HP 44" TRACTOR = MODEL NUMBER 917.257720

REPAIR PARTS

18 HP 44" TRACTOR = MODEL NUMBER 917.257720

ENGINE

KEY PART NO. NO.

114! 948

2 144110

313240300

413280328

51320030O

6138129

8121361X

9138559

10105432X

11137140

12136907

13138486

14138487

15127334X

16109227X

17106082X

18123549X

1913290300

2O 133439

21 17720410

			KEY	PART
DESCRiPTiON			NO.	NO.	DESCRiPTiON
Engine	Kohler 18 Mag Vt		22	138672	Control		Choke
Muffler	Asm	Kohler VGT (Inc. Key	23	19132616	Washer		13/32 X 1 - 5/8 X 16 Ga
No. 34)			24	11050600	Washer		Ext Tooth		3/8
Elbow	Street	3/8 NPT	25	73610600	Nut Fin Hex 3/8 - 24 UNF
Nipple	Pipe 3/8NPT X 3 - 1/2		26	3645J	Bushing
Elbow STD 90 Degree 3/8 - 18 NPT			27	139277	Stem Tank Fuel
Clamp	Tube	Double Engine	28	7834R	Fuel Line
Pulley	V-Idler		29		Spark Arrester			Kit
Stop Keeper Asm VGT			30	105037X	Strip Foam
Bushing			32	17490508	Screw	Thdrol		5/16 - 18 X 1/2
Clutch	Electric		34	17720408	Screw Thd Cut 1.4 - 20 x 1/2
Pulley Engine VGT Elect Clutch			35	10040500	Washer		Lock 5/16
Baffle Air LH Koh VGT			36	74570512	Screw		Hex 5/16 - 16 UNC X 3/4
Baffle Air RH Koh VGT			37	123487X	Clamp		Hose
Tank Fuel W/Sym Vented			38	11050600	Lockwasher Ext Tooth 3/8
Pad Spacer			39	17490624	Screw	Thdrol		3/8 - 16 X 1 - 1/2 TT
Pad Spacer			40	17490652	Screw	Thdrol		3/8 - 16 X 3 - 1/4
Cap Asm Fuel W/Sym, Vented			41	126197X	Washer		1-1/20D		X 15/32 ID X .250
Plug Oil Drain (Order From Engine			42	10040700	Washer		Lock 7/16
Manufacturer)			43	71170768	Bolt Hex 7/16			- 20 X 4 - 1/4 Ga 5
Control	Throttle
Screw	Hex Thd Cut 1/4 - 20 X 5/8		NOTE: All component dimensions given in U.S. inches
			NOTE: All component dimensions given in U.S. inches
				1 inch = 25.4	mm

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Image 41

Sears 917.257720 owner manual 18 HP 44 TRACTOR = MODEL NUMBER ENGINE, Repair Parts, Key Part No. No, DESCRiPTiON

Contents

Customer Responsibilities L NUMBER 917.257720 OWNERSMANUALAssembly Operation Service and Adjustments Repair PartsLook for this symbol to point out impor SAFETY RULESSAFETY IS INVOLVED Safe Operation Practices for Ride-OnMowersPRODUCT SPECIFICATIONS MAINTENANCE AGREEMENTLIMITED 90 DAY WARRANTY ON BATTERY CUSTOMER RESPONSNBILmTIESMAINTENANCE LE OF CONINDEX SCHEDULEMAINTENANCE ESSORIES AND ATTAC ENTSENGINE PERFORMANCEE PACK CONTENTS ,OFParts Bag contents shown full size Parts bag contents not shown full sizeTO REMOVE TRACTOR FROM CARTON TOOLS REQUIRED FOR ASSEMBLYBEFORE ROLLING TRACTOR OFF SKID UNPACK CARTONASSEM LY HOW TO SET UP YOUR TRACTORPREPARE BATTERY See Fig, INSTALL SEAT See Fig.CHECK FOR PROPER POSiTiON OF ALL BELTS INSTALL MOWER AND DRIVE BELTCHECK DECK LEVELNESS INSTALL BATTERY See Figs, 5 and ASSEMBLYv CHECKMST KNOW YOUR TRACTOR ERATIONOPERATI HOW TO USE YOUR TRACTORTO ADJUST MOWER CUTTING HEIGHT See Fig. TO SET PARKING BRAKE See Fig.BEFORE STARTING THE ENGINE OP RATTO ADJUST GAUGE WHEELS See Fig. TO OPERATE MOWER See Figs. 7 andMOWING TIPS OPERATmONADD GASOUNE TO START ENGINE See Fig.CUSTOME RESPONSiBiLiTiES LUBRICATION CHARTGENERAL RECOMMENDATIONS MAINTENANCETRACTOR CUSTOME RESPO LITIESBRAKE OPERATION TIRESSl LITIES CUSTOENGmNE BATTERY See Fig.CUSTOME CLEANINGPONSI ILITIES CLEAN AmR SCREEN See Fig.TRACTOR SERVICE ADJU NTSTO iNSTALL MOWER TO LEVEL MOWER HOUSINGTO REPLACE MOWER DRIVE. BELT SERVICE AND AOJ STMENTSSE CE ADJUSTMENTSTO ADJUST BRAKE See Fig. TO ADJUST ATTACHMENT CLUTCH See Fig.TO ADJUST STEERING WHEEL ALIGNMENT SERVICE AND ADJUSTMENTSFRONT WHEEL TOE-INADJUSTMENT TO REPLACE MOTION DRmVE BELT See Fig,covE_ \ SE CE AN A USTMENTSPOSTVEI NE TO REMOVE WHEEL FOR REPAIRSSee Fig. E CE AND ADJUSTMENTSTO ADJUST ATTACHMENT LiFT SPIRING See Fig. ADJU ENTS SERVICE AENGINE TO ADJUST THROTTLE CONTROL CABLE See Fig. 38 &OTHER STORAGEBATTERY TRACTORSE ICE OTES TiOUBLESHOOTING LESH TROUPOINTS PROBLEMSTARTER 18 HP 44 TRACTOR = MODEL NUMBER SCHEMATICREDo--_aa X a /--O_L!I BLAO18 HP 44 TRACTOR - - MODEL NUMBER REPAIR PARTSDECALS WHEELS & TIRESREPAIR PARTS 18 HP 44 TRACTOR - MODEL NUMBERELECTRICAL 22 23REPAIR PARTS 18 HP 44 TRACTOR --MODELNUMBER 917,257720ELECTRICAL DESCRmPTIONREPAIR PARTS 18 HP 44 TRACTOR = MODEL NUMBERCHASSIS AND ENCLOSURES 18 HP 44 TRACTOR - MODEL NUMBER REPAIR PARTSCHASSIS AND ENCLOSURES REPAIR PARTS GROUND DRIVE18 HP 44 TRACTOR - MODEL NUMBER 37 3818 HP 44 TRACTOR - MODEL NUMBER REPAIR PARTSGROUND DRIVE PARTREPAIR PARTS 18 HP 44 TRACTOR = MODEL NUMBER STEERING ASSEMBLY23 22 27 19REPAIR PARTS STEERING ASSEMBLY18 HP 44 TRACTOR = MODEL NUMBER KEY PART8 HP 44!TRACTOR REPA_ PA_T$ENGIN,E • MODEL NUMBER _ ,SREPAIR PARTS 18 HP 44 TRACTOR = MODEL NUMBER ENGINEKEY PART NO. NO PART8--.._G__/= SEAT ASSEMBLY18 HP 44 TRACTOR - MODEL NUMBER 917,257720 REPAIR PARTS18 HP LiFT ASSEMBLYTRACTOR .. MODEL NUMBER 20 191818 HP 44 TRACTOR - MODEL NUMBER REPAIR PARTS44 MOWER DECK 4838298 HP 44 TRACTOR .- MODEL NUMBER 9! 7,257720 1- ec, e, oloREPAIR PARTS 44 MOWER DECKREPAIR PARTS 18 HP 44 TRACTOR MODEL NUMBERTRANSAXLE 86_85 88___8718 HP 44 TRACTOR = MODEL NUMBER REPAIR PARTSTRANSAXLE PARTlilt I_+ -+ REPAIR PARTS+++++ 18 HP 44 TRACTOR - MODEL NUMBER=MODEL NUMBER 18 HP 44 TRACTORREPAIR PARTS KOHLER ENGINE = MODEL NUMBER MV18SKOHLER ENGINE - MODEL NUMBER MV18S, TYPE NUMBER REPAIR PARTS18 HP 44 TRACTOR - MODEL NUMBER 917,257720 REPAIR PARTS 18 HP 44 TRACTOR = MODEL NUMBER 9!KOHLER ENGINE = MODEL NUMBER MV18S, TYPE NUMBER KEY PARTDESCRiPTiONKOHLER ENGINE - MODEL NUMBER MV18S, TYPE NUMBER 18 HP 44 TRACTOR o MODEL NUMBERREPAIR PARTS REPAIR PARTS 18HP 44 TRACTOR .. MODEL NUMBERKOHLER ENGINE MODEL NUMBER MV18S, TYPE NUMBER DESCRiPTiON\ s \ 18 HP 44 TRACTOR- MODEL ,NUMBER 917o257720REPAIR PARTS KOHLER ENGINE o MODEL NUMBER MV18S, TYPE NUMBER18 HP 44 TRACTOR - MODEL NUMBER REPAIR PARTSKOHLER ENGINE - MODEL NUMBER MVlSS, TYPE NUMBER PARTL____T_____ REPAIR PARTS18 HP 44 TRACTOR - MODEL NUMBER KOHLER ENGINE = MODEL NUMBER MV18S, TYPE NUMBERLOW OIL PRESSURE SWITCH REPAIR PARTS18 HP 44 TRACTOR - MODEL NUMBER KOHLER ENGINE - MODEL NUMBER MV18S_ TYPE NUMBERRViCE OTE than 15 , never greateracross MakeA AL IF YOU NEED REPAIR SERVICE OR PARTSMODEL NO. 18.0HP IC ELECTRIC START 44 MOWER