Tecumseh
Lawn & Garden Engine

Model # HH140-160010 Official Tecumseh 4-cycle engine

Here are the diagrams and repair parts for Official Tecumseh HH140-160010 4-cycle engine, 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 237 parts  |

Fuel Line 29774
#143

Basic engine diagram

Fuel line

Part #29774

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

Fuel Tank 33979
#92

Basic engine diagram

Fuel tank

Part #33979

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

/fuel Clamp 26460
#145

Basic engine diagram

/fuel clamp

Part #26460

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

Screw 650451
#110

Basic engine diagram

Screw

Part #650451

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

Screw 30564
#34

Basic engine diagram

Screw

Part #30564

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

Start Pulley 31980
#123

Basic engine diagram

Start pulley

Part #31980

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

/carb Float 27105
#14

Carburetor no. 631763 diagram

/carb float

Part #27105

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

Washer 30590A
#29

Basic engine diagram

Washer

Part #30590A

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

Retainng Rng 33842
#2

Starter motor no. 33835 diagram

Retainng rng

Part #33842

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

Spring 27114
#8

Carburetor no. 631763 diagram

Spring

Part #27114

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 lawn & garden engines

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

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Top questions about Sears and Sears PartsDirect

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

What are the main components of a lawn mower?

What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts.…