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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

  • Spring for Troybilt TB4000 - Part 181739

    Engine parts diagram

    Spring

    Part #181739

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

  • Strap for Troybilt TB4000 - Part 682075

    Boom and trimmer diagram

    Strap

    Part #682075

    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

  • Bracket Assembly for Troybilt TB4000 - Part 683295

    Boom and trimmer diagram

    Bracket Assembly

    Part #683295

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

  • Screw for Troybilt TB4000 - Part 181066

    Engine parts diagram

    Screw

    Part #181066

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

  • Flywheel for Troybilt TB4000 - Part 182113

    Engine parts diagram

    Flywheel

    Part #182113

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

  • Tube for Troybilt TB4000 - Part 182097

    Engine parts diagram

    Tube

    Part #182097

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

  • Gasket Insulator for Troybilt TB4000 - Part 182131

    Engine parts diagram

    Gasket Insulator

    Part #182131

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

  • Housing for Troybilt TB4000 - Part 181691

    Boom and trimmer diagram

    Housing

    Part #181691

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

  • Spring for Troybilt TB4000 - Part 181038

    Engine parts diagram

    Spring

    Part #181038

    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, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…

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…

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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