2019 Makita RU03Z

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12V max CXT® Lithium‑Ion Cordless String Trimmer, Tool Only

The Makita 12V CXT® Lithium-Ion Cordless String Trimmer (model RU03Z, tool only, batteries and charger sold separately) is a versatile and powerful solution with less weight for landscape cutting and trimming, but without gasoline.

The RU03Z delivers 10,000 RPM and up to 38 minutes of run time on a single charge of the 12V CXT® Lithium-Ion 4.0Ah battery (sold separately). It has several advantages over gas-powered trimmers: the RU03Z has zero emissions and reduced maintenance, with no need for gas or oil. For users, the tool is always ready to use: simply load a fully-charged 12V CXT® Lithium-Ion battery and get to work. Versatility features include a telescoping shaft to adjust the length of the tool, a 180-degree rotating head with 5 adjustable positions, an adjustable loop handle, and more. It weighs only 4.2 lbs. with battery (sold separately).

For longer run time, 12V max CXT® cordless tools are compatible with the 12V max CXT® Lithium-Ion 2.0Ah and 4.0Ah batteries (sold separately). 12V max CXT® Lithium-Ion batteries are engineered with a Battery Protection Circuit that protects against overloading, over-discharging and over-heating. It's part of the expanding 12V max CXT® series, combining performance with superior ergonomics in a compact size.


  • Cutting Capacity (diameter): 10-1/4 in.
  • No Load Speed: 10,000 RPM
  • Battery: 12V max CXT® Lithium-Ion
  • Overall Length: 46-3/4 in.
  • Net Weight (with battery): 4.2 lb.
  • Shaft Type: Telescoping
  • Shipping Weight: 7.12 lb.
  • UPC Code: 088381-854283
  • Up to 38 minutes of run time under no load using 4.0Ah battery BL1041B (battery not included)
  • Makita-built motor delivers 10,000 RPM for faster cutting
  • Telescoping shaft (32-7/8" to 46-3/4") for optimum cutting position
  • Compact size is ideal for trimming and precise edging
  • 180º rotating head allows the trimmer to convert to edger; 10-1/4" cutting width
  • Adjustable loop handle for convenient operation
  • Weighs only 4.2 lbs. with battery (battery not included) for reduced operator fatigue
  • Features Extreme Protection Technology (XPT™) which is engineered to provide increased dust and water resistance in harsh job site conditions
  • Zero emissions and reduced maintenance; no need for gas or oil
  • Easy-loading bump and feed trimmer head for increased user convenience
  • Spool assembly is easy to attach and rewind with improved reinforced metal bump-feed button
  • Battery and charger sold separately
  • Built-in lock-off lever for operator convenience
  • 3-year limited warranty
  • Only use genuine Makita batteries and chargers
  • (1) Bump & Feed Trimmer Head, M8 X 1.25 RH (198853-0)



Cutting Width
10-1/4 in.
4.2 lb.


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