Craftsman
Engine & Drivetrain

Model # 143197 Official Craftsman differential

Here are the diagrams and repair parts for Official Craftsman 143197 differential, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 16 parts  |

Lock Nut 792042
#12

Unit parts diagram

Lock nut

Part #792042

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

Gear 778068
#5

Unit parts diagram

Gear

Part #778068

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

Screw 792041
#11

Unit parts diagram

Screw

Part #792041

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

Bevel Gear 778067
#4

Unit parts diagram

Bevel gear

Part #778067

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

Washer 780001
#8

Unit parts diagram

Washer

Part #780001

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

Housing 774345
#1A

Unit parts diagram

Housing

Part #774345

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

Bushing 780077
#13

Unit parts diagram

Bushing

Part #780077

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

Thrust Wsher 780096
#7

Unit parts diagram

Thrust wsher

Part #780096

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

Housing 774344
#1

Unit parts diagram

Housing

Part #774344

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

Differential 794248

#NI

All parts diagram

Differential

Part #794248

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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

Main causes: faulty sensors, wiring failure, bad control console…

Main causes: bad control console, wiring failure, bad motor control board…

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

Repair guides for treadmills

These step-by-step repair guides will help you safely fix what’s broken on your treadmill.

How to replace a treadmill motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking board

How to replace a treadmill walking board

A worn-out walking board creates friction with the walking belt and causes the belt to slow down during use. Replace the…

Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your fitness & exercise

Use the advice and tips in these articles and videos to get the most out of your treadmill.

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…