TB525 EC Curve Shaft String Trimmer

29cc, 4-Cycle Gas Trimmer / Attachment-Capable Design

Model No. 41ADZ52C766


Where to Buy

The TB525 EC gas string trimmer with SpringAssist™ technology is easy to start and easy to use, equipped with a dual line and our SpeedSpool 2™ bump head, allows the trimmer head to be reloaded quickly and easily on the spool! With more power at lower RPM's than a 2-cycle trimmer, this trimmer has an easy-to-use curved shaft and is designed to accept optional trimmer attachments. It also accepts our JumpStart™ electric start adapter. This Troy-Bilt weed trimmer is durable and reliable.


  • No Mixing Oil and Gas

    Eliminate the need to mix oil and gas. Troy-Bilt’s 4-cycle engines take regular gas.

  • SpeedSpool 2™ Bump Head

    The SpeedSpool 2™ cutting head can be reloaded with 10 ft of trimmer line without dismantling. The line is quickly and easily loaded on the spool by turning the large knob on the spool.

  • SpringAssist™ Starting Technology

    SpringAssist™ starting technology dramatically reduces pulling effort by up to 55%.

  • JumpStart™ Capable

    Take the effort out of starting with JumpStart™ power start technology. Attach JumpStart to any JumpStart-capable Troy-Bilt® unit and start with the push of a button.

  • Accepts TrimmerPlus® Attachments

    Accepts interchangeable TrimmerPlus® attachments, which turn your trimmer into a garage full of tools.

  • 29cc*, 4-cycle engine is cleaner and produces less noise
  • Multi-position Pro handle reduces vibration and operator fatigue

*as rated by engine manufacturer

  • 29cc, 4-cycle gas
  • Spring Assist™ w/JumpStart™ Capability
  • Standard
  • Curved
  • Yes
  • Quick loading
  • SpeedSpool 2™ bump head
  • 17"
  • .095"
  • Multi-position Pro handle
  • 18 lbs
  • 2-year limited