Craftsman
Engine & Drivetrain

Model # 143742 Official Craftsman transmission

Here are the diagrams and repair parts for Official Craftsman 143742 transmission, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 42 parts  |

Holder 790005
#23

Unit parts diagram

Holder

Part #790005

The manufacturer no longer makes this part, and there's no substitute part

Dowel Pin 786026
#26

Unit parts diagram

Dowel pin

Part #786026

The manufacturer no longer makes this part, and there's no substitute part

Spring 792079
#42

Unit parts diagram

Spring

Part #792079

The manufacturer no longer makes this part, and there's no substitute part

Quad Ring 792001
#44

Unit parts diagram

Quad ring

Part #792001

The manufacturer no longer makes this part, and there's no substitute part

Washer 780072
#29

Unit parts diagram

Washer

Part #780072

The manufacturer no longer makes this part, and there's no substitute part

Screw 792078
#41

Unit parts diagram

Screw

Part #792078

The manufacturer no longer makes this part, and there's no substitute part

Brake Disk 790003
#21

Unit parts diagram

Brake disk

Part #790003

The manufacturer no longer makes this part, and there's no substitute part

Washer 780108
#43

Unit parts diagram

Washer

Part #780108

The manufacturer no longer makes this part, and there's no substitute part

Roller Chain 786062
#28

Unit parts diagram

Roller chain

Part #786062

The manufacturer no longer makes this part, and there's no substitute part

Collar 784266
#9

Unit parts diagram

Collar

Part #784266

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for gas walk-behind mowers

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Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Repair guides for gas walk-behind mowers

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

How to replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

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

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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