Tecumseh
Lawn & Garden Engine

Model # HS40-55478E Official Tecumseh 4-cycle engine

Here are the diagrams and repair parts for Official Tecumseh HS40-55478E 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 78 parts  |

Screw 30091
#157

Basic engine diagram

Screw

Part #30091

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

Screw 30688
#133A

Basic engine diagram

Screw

Part #30688

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

Screw 650489
#31

Basic engine diagram

Screw

Part #650489

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

Screw 650372
Screw

Part #650372

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

Screw 29212
#69

Basic engine diagram

Screw

Part #29212

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

Nut And Washer 30322
Nut and washer

Part #30322

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

Washer 8 Et 29918
#138

Basic engine diagram

Washer 8 et

Part #29918

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

Clip 31311
#17

Magneto no. 610862 diagram

Clip

Part #31311

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

Flywheel 33659
#1

Magneto no. 610862 diagram

Flywheel

Part #33659

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

Decal 30586
#66

Basic engine diagram

Decal

Part #30586

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

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