Craftsman
Front-Engine Lawn Tractor

Model #917250551 Official Craftsman lawn tractor

Here are the diagrams and repair parts for Craftsman 917250551 lawn tractor, as well as links to manuals and error code tables, if available.

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Owner’s manual

Showing 10 of 659 parts

Lawn Tractor Axle Flange Bearing (replaces 532009040, 5320090-40, 532124959, 577203109, 5920H, 5920H1, P-1246, P-1622)#7

Wheels and tires Diagram

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MSRP: $9.09
Lawn Tractor Self-Tapping Bolt (replaces 173984)

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Screw

Part #138776
Replaced by #584953901
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Manufacturer substitution
This part replaces 138776. Substitute parts can look different from the original.
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Lawn Tractor Axle Cap (replaces 104757X428)#8

Wheels and tires Diagram

Hub cap

Part #104757X
Replaced by #532104757
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Manufacturer substitution
This part replaces 104757X. Substitute parts can look different from the original.
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Lawn Tractor Mandrel Pulley (replaces 153535, 153535MS, 153535WA, 153535X431, 177865, 532173436, 5321734-36, 539112171, 577203105)#32

Mower deck Diagram

Pulley

Part #129861
Replaced by #173436
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Manufacturer substitution
This part replaces 129861. Substitute parts can look different from the original.
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Lawn Tractor Starter Solenoid (replaces 146154, 5321461-54)#43

Electrical Diagram

Solenoid

Part #145673
Replaced by #532146154
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Manufacturer substitution
This part replaces 145673. Substitute parts can look different from the original.
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Lawn Tractor Ignition Key (replaces 140403, 5321404-03)#33

Electrical Diagram

Molded ignition key

Part #140403
Replaced by #532140403
?
Manufacturer substitution
This part replaces 140403. Substitute parts can look different from the original.
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Lawn Tractor V-Belt#55

Mower deck Diagram

Lawn tractor v-belt

Part #144959
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Lawn Tractor PTO Switch (replaces 174651, 532174652, 539110196, 582107602, 582107603)#50

Electrical Diagram

Switch

Part #146283
Replaced by #582107601
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Manufacturer substitution
This part replaces 146283. Substitute parts can look different from the original.
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Lawn Tractor Blade Idler Pulley (replaces 173438, 5321734-38)

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Lawn tractor flat blade idler pulley

Part #131494
Replaced by #532173438
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Manufacturer substitution
This part replaces 131494. Substitute parts can look different from the original.
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Lawn Tractor Shoulder Bolt (replaces 193406, 532137644)#59

Mower deck Diagram

Shoulder bolt

Part #137644
Replaced by #596434404
?
Manufacturer substitution
This part replaces 137644. Substitute parts can look different from the original.
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Symptoms common to all riding mowers & tractors

Choose a symptom to see related riding mower and lawn tractor repairs.

Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged mandrel pulleys
Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components
Main causes: faulty battery, bad alternator
Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tune up
Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, dirty carburetor
Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, broken fuel line
Main causes: shift lever needs adjustment, neutral control needs adjustment
Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly
Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim

Repair guides common to all riding mowers & tractors

These step-by-step repair guides will help you safely fix what’s broken on your riding mower or lawn tractor.

How to replace a riding lawn mower rear tire

Your mower can’t run on a damaged rear tire. Here’s how to install a new one.

Repair difficulty
Time required
 60 minutes or less
How to replace a riding lawn mower blade

If a blade on your mower is dull or bent, replace it following the steps in this repair guide.

Repair difficulty
Time required
 30 minutes or less
How to replace a riding lawn mower fuel filter

Help your mower run better by replacing the fuel filter during your riding mower's annual tune-up.

Repair difficulty
Time required
 15 minutes or less

Articles and videos common to all riding mowers & tractors

Use the advice and tips in these articles and videos to get the most out of your riding mower or lawn tractor.

August 6, 2020

How to remove a lawn mower blade using a removal tool

How to remove a lawn mower blade using a removal tool

Learn how a blade removal tool makes replacing the blade easier and safer

April 9, 2019

Riding mower parts and supplies to stock up on video

Riding mower parts and supplies to stock up on video

Keep these 6 things on hand to keep the mower season running smoothly.

March 1, 2016

Charging a battery in a riding lawn mower video

Charging a battery in a riding lawn mower video

Learn how to use a battery charger if your mower battery is dead.