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Milwaukee 2825-21ST M18 Fuel String Trimmer Kit

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w/ QUIK-LOK Attachment Capability

Designed to meet the needs of landscape maintenance professionals, our M18 FUEL String Trimmer kit w/ QUIK-LOK provides you with the power to clear thick brush, reaches full throttle in under 1 second, and delivers up to 1 hour of run-time per charge. The cordless string trimmer is made up of two components – the M18 FUEL Power Head w/ QUIK-LOK and QUIK-LOK String Trimmer Attachment. This M18 FUEL Power Head, part of the QUIK-LOK Attachment System, is compatible with multiple attachments such as our Edger, Articulating Hedge Trimmer, and Pole Saw attachment. This gives you the ability to quickly swap out attachments on a single power head, delivering ultimate versatility and a lower cost of ownership. The POWERSTATE Brushless Motor delivers up to 6,200 RPM with up to a 16" cutting swath, and gives you the power to maintain speed in demanding applications without bogging down. The motor is positioned in the rear of the trimmer to provide the best combination of power, balance, and maneuverability. REDLINK PLUS intelligence gives you maximum performance while protecting from overload, overheating and over discharge. The advanced electronic package also delivers instantaneous throttle response, high and low speeds, and a variable speed trigger giving you ultimate control over the power range. The M18 REDLITHIUM HD9.0 Battery gives you best in class performance and run-time in all applications, delivering up to 1 hour of run-time per charge. The Easy Load Trimmer Head provides you with an easy line loading experience and the ability to load up to 25' of trimmer line in under 30 seconds. Our M18 FUEL String Trimmer w/ QUIK-LOK is part of the M18 system which is fully compatible with over 175 tools. In addition to the cordless Power Head w/ QUIK-LOK and QUIK-LOK String Trimmer Attachment, the kit includes one of our M18 REDLITHIUM HD9.0 Batteries as well as an M18/M12 Rapid Charger.

Standard Equipment:

  • (1) M18 FUEL Power Head w/ QUIK-LOK
  • (1) M18 FUEL QUIK-LOK String Trimmer Attachment (49-16-2717)
  • (1) M18 REDLITHIUM HIGH DEMAND 9.0 Battery Pack (48-11-1890)
  • (1) M18 & M12 Rapid Charger (48-59-1808)

Optional Accessories:


  • Rating: 18 Volt Li-Ion
  • Motor Type: Brushless
  • Speed: 0 to 4900 / 0 to 6201 RPM
  • Cutting Swath: 14" to 16"
  • Line Diameter: 0.080" / 0.095"
  • Length: 70.5"
  • Weight: 9.85 lbs


  • POWERSTATE Brushless Motor sustains power under load without bogging down, powering through the most demanding applications
  • REDLINK PLUS Intelligence provides instant acceleration, reaching full power in under 1 second
  • M18 REDLITHIUM HD9.0 Battery delivers more work per charge and provides best in class run-time
  • Features the Milwaukee Easy Load Trimmer Head
  • Part of the QUIK-LOK Attachment System

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