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Troybilt TB4000 trimmer

Troybilt TB4000 trimmer Parts

Here are the diagrams and repair parts for Troybilt TB4000 trimmer, as well as links to manuals and error code tables, if available.

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Browse Parts for TB4000 Line Trimmers

  • Rope for Troybilt TB4000 - Part 181742

    Engine parts diagram

    Rope

    Part #181742

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

  • Ring for Troybilt TB4000 - Part 182295

    Engine parts diagram

    Ring

    Part #182295

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

  • Screw for Troybilt TB4000 - Part 145569

    Boom and trimmer diagram

    Screw

    Part #145569

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

  • Driver for Troybilt TB4000 - Part 182196

    Boom and trimmer diagram

    Driver

    Part #182196

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

  • Muffler Mounting Screw for Troybilt TB4000 - Part 182105

    Muffler Mounting Screw

    Part #182105

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

  • Grip for Troybilt TB4000 - Part 180866

    Boom and trimmer diagram

    Grip

    Part #180866

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

  • Screw for Troybilt TB4000 - Part 181020

    Engine parts diagram

    Screw

    Part #181020

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

  • Retaining Ring for Troybilt TB4000 - Part 181747

    Engine parts diagram

    Retaining Ring

    Part #181747

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

  • Grip for Troybilt TB4000 - Part 612831

    Boom and trimmer diagram

    Grip

    Part #612831

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

  • Push Rod for Troybilt TB4000 - Part 181033

    Engine parts diagram

    Push Rod

    Part #181033

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

Most common symptoms to help you fix your line trimmers

Choose a symptom to see related grass line trimmer repairs.

Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings…

Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank…

Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…

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 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 time and Difficulty

 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 time and Difficulty

 15 minutes or less
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 time and Difficulty

 15 minutes or less

Effective articles & videos to help repair your line trimmers

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

Line trimmer: Preventing fuel vapor lock in hot summer conditions

Line trimmer: Preventing fuel vapor lock in hot summer conditions

Vapor lock can stop your trimmer cold in summer heat. Learn how to prevent it and keep your lawn looking sharp…

Straight shaft vs curved shaft trimmers: What’s the difference?

Straight shaft vs curved shaft trimmers: What’s the difference?

Trying to decide between a straight shaft and curved shaft trimmer? This guide compares both designs to help you underst…

Can you cut grass with a weed whacker?

Can you cut grass with a weed whacker?

Wondering if your weed whacker can pick up the slack for your broken lawn mower? You're not alone. In this guide, we bre…

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