Makita 40V max XGT Brushless Cordless 17" High Torque String Trimmer Kit (4.0Ah) - GRU04M1
The 40V max XGT Brushless String Trimmer (GRU04) is engineered to provide the power equivalent to a 30cc string trimmer, but with lower noise, less maintenance, zero emissions, and no pull starts. It also has lower weight than a comparable gas-powered model. It has a 17” cutting swath and a rapid load bump and feed trimmer head for efficient trimming.
The String Trimmer has a variable speed trigger and 3-speed options (Low: 4,000 RPM, Medium: 4,600 High: 6,000 RPM) for power and run time management. In addition, users can set the Automatic Torque Drive Technology mode, which automatically shifts from 4,000-6,000 RPM for extended run time or added power. It also features a reverse function that quickly clears the trimmer head of entangled grass and weeds. The rapid load bump and feed trimmer head loads line in seconds with 3 easy steps: align, feed, and twist.
What our Experts Think
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Gas‑Equivalent Cutting Power — Makita’s brushless motor in the XGT® platform delivers performance on par with a 30 cc gas trimmer, yet with zero emissions and less noise.
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High Torque for Thick Growth — High‑torque gear ratio pushes through overgrown grass and dense weeds with up to 20 % more torque than lower‑torque cordless trimmers.
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Efficient Line Feeding — Rapid Load bump‑and‑feed head lets you reload cutting line in seconds — align, feed, twist — without downtime.
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3‑Speed Control + Variable Trigger — Choose from multiple speeds and use the variable trigger to balance power vs runtime for light trim or tough spots.
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Built for Job‑Site Durability — Steel drive shaft reduces vibration and improves longevity; robust XGT digital battery communication protects against overload and overheating.
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Comfort & Usability — Adjustable loop handle improves control and reduces fatigue during extended trimming sessions.
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Complete Ready‑to‑Work Kit — Includes 4.0 Ah battery, rapid charger, shoulder strap, and bump‑and‑feed head for fast productivity.
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Pro Tip: Use medium speed for general trimming and high speed for thick weeds to get the most out of runtime and power.
Q&A
Q: What is the Makita GRU04M1 String Trimmer Kit?
A: The Makita 40V Max XGT Brushless Cordless 17″ High Torque String Trimmer Kit (GRU04M1) is a professional‑grade cordless trimmer kit powered by the 40V Max XGT system, delivering gas‑equivalent trimming performance without cords or fuel.
Q: What’s included in the kit?
A: It includes the 17″ high torque string trimmer, one 40V Max XGT 4.0 Ah battery, Rapid Optimum charger, rapid load bump & feed trimmer head, and a shoulder strap.
Q: What cutting tasks is this trimmer suited for?
A: It’s designed for grass and weed trimming around yards, edges, and landscaping with a wide 17″ cutting swath to boost productivity.
Q: How powerful and efficient is it?
A: The brushless motor delivers power similar to a 30 cc gas trimmer, and its high‑torque gear ratio helps it power through overgrown grass with more torque and less vibration.
Q: Why choose this XGT trimmer?
A: It combines gas‑equivalent performance, cordless convenience, and reduced maintenance — plus low noise and zero emissions — making it a strong choice for pros and serious landscapers.
Maintenance Tips
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Clean after use — remove grass clippings and debris from the trimmer head and guard to prevent buildup and maintain cutting efficiency.
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Replace or reload line — check your bump‑and‑feed line often and reload/replace when worn for consistent cutting performance.
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Protect battery contacts — keep 40V Max XGT battery and tool terminals clean and dry for reliable power transfer.
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Charge & store batteries right — recharge before deeply discharged; store packs in a cool, dry place to maximize life and performance.
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Inspect shaft & fasteners — tighten screws/handles periodically to counter vibration and maintain tool stability.
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Avoid moisture exposure — do not submerge or wash with high‑pressure water; wipe damp spots and let dry.
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Use appropriate speed settings — match the 3‑speed or torque drive mode to conditions to reduce wear and extend runtime.
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Store safely — keep trimmer and batteries in a dry, cool area away from direct sun and extreme heat.
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