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  |

Gasket 27110
#20

Carburetor no. 631763 diagram

Gasket

Part #27110

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

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

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

/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

Start Pulley 31980
#123

Basic engine diagram

Start pulley

Part #31980

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

Washer 30590A
#29

Basic engine diagram

Washer

Part #30590A

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

Shutoff Valv 29683
#154

Basic engine diagram

Shutoff valv

Part #29683

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

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Repair guides for gas line trimmers

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

How to rebuild a line trimmer carburetor

How to rebuild a line trimmer carburetor

If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow…

Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer carburetor

How to replace a line trimmer carburetor

If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these …

Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer fuel line

How to replace a line trimmer fuel line

The fuel line on a grass line trimmer deteriorates with time and eventually can split or crack. You can replace it yours…

Repair difficulty
Time required
 15 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 grass line trimmer.

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Top questions about Sears and Sears PartsDirect

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What are the main components of a lawn mower?

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