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XGT 40V max Brushless Cordless 15 in. String Trimmer Kit (4.0 Ah)

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  • XGT features purpose-built brushless motors for increased power
  • Built-in microchips allow for real time digital communication
  • One-battery solution to handle the most demanding jobs
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Product Details

About This Product

XGT Outdoor Power Equipment delivers gas-like performance demanded by professional landscapers. The 40V max XGT Brushless 15" String Trimmer Kit (GRU01M1) delivers the power needed to get the job done. With zero emissions, lower noise and maximum versatility, the power head provides a cordless solution for heavy trimming applications. A variable speed trigger controls cutting speed with three speed options (3,500, 5,300, 6,500 RPM), allowing users to match power and speed to the changing demands of the application. Automatic Torque Drive Technology mode automatically shifts speed to extend run time or add power as needed. A reverse rotation function allows the operator to quickly clear the trimmer head of entangled grass and weeds. The string trimmer features the Rapid Load Bump and Feed Trimmer Head, which loads the line in seconds with 3 easy steps. An adjustable loop handle provides comfort. For added durability in harsh job site conditions, Extreme Protection Technology (XPT) is engineered for improved dust and water resistance. The string trimmer also features IPX4-rated weather-resistant construction for added durability.


  • OUTPOWER: Makita-built Outer Rotor Brushless Motor provides high power and increased torque
  • OUTSMART: Automatic Torque Drive Technology mode automatically shifts from 3,500-6,500 RPM for extended run time or added power
  • OUTLAST: The digital communication within XGT optimizes performance to provide up to 2X longer sustained power under heavy-load applications
  • 15" cutting swath for increased productivity
  • Up to 1 hour of run time with 40V XGT 4.0Ah battery
  • 3-speed options (Low: 3,500 RPM, Medium: 5,300 High: 6,500 RPM) for power and run time management
  • Reverse rotation function allows operator to quickly clear trimmer head of entangled grass and weeds
  • Adjustable loop handle for operator comfort
  • Rapid load bump & feed trimmer head line loads in seconds with 3 easy steps: align, feed and twist
  • IPX4 weather-resistant construction for durability and long life
  • Extreme Protection Technology (XPT) engineered for improved dust and water resistance
  • The digital communication within XGT actively monitors and protects against overload, over-discharge and overheating
  • XGT Tools and Batteries are designed with a multi-layer contact interface for more constant power delivery to take on high-current demands
  • XGT Batteries feature rigid rails with impact-resistant construction to secure the battery to the tool during high-demand applications
  • The XGT Rapid Charger with dual-fan design circulates air through the battery to cool the battery and circuit board quickly for faster charging
  • The XGT Rapid Charger's digital display indicates battery charge level (-80%, +80%, 100%)
  • The XGT Rapid Charger's built-in chip thoroughly communicates during the charging process to control current, voltage, and temperature for more efficient charging
  • 40V max XGT Lithium-Ion 4.0Ah Battery reaches a full charge in 45 minutes or less
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Product Information

Internet # 317200189

Model # GRU01M1

Store SKU # 1006572968


Dimensions: H 9 in, W 14 in, D 68.25 in


Assembled Depth (in.)

68.25 in

Assembled Height (in.)

9 in

Assembled Width (in.)

14 in

Line Style Size


Maximum Cutting Path Diameter (in.)

15 in

Recommended Line Diameter (in.)

0.080 in

Shaft Length (in.)

68.25 in


Assembly Required


Battery Amp Hours

4 Ah

Battery Run Time (min.)


Battery Type

Lithium Ion

Battery Voltage (V)



(1) 4 Ah Battery & Charger Included

Charger Included

Charger Included



Head Type




Line Advance System


Number of Total Batteries Included


Number of Trim Lines


Power Type


Product Weight (lb.)

19.43 lb





Shaft Type

Straight Shaft

Start Type


Tools Included

String Trimmer

Trimmer Line Type


Trimmer Type


Warranty / Certifications

Manufacturer Warranty

3-year limited warranty on tool, battery and charger

Questions & Answers

Q:Provides the same power as a gas model with which size engine
by|Mar 23, 2024
1 Answer
Answer This Question

A:  Thank you for your question. The GRU01M1 is designed with a Makita-built outer rotor brushless motor that delivers the power of a 25cc gas string trimmer.

by|Mar 25, 2024
    Q:Makita 40V max XGT Brushless Cordless 15 in. String Trimmer Kit. Does this work with 1.35 string line?
    by|Jun 9, 2023
    1 Answer
    Answer This Question

    A:  Thank you for your question on the GRU01M1 trimmer. This tool includes 13' of .080" twist trimmer line.

    by|Jun 12, 2023
      Q:Makita 40V max XGT Brushless Cordless 15 in. String Trimmer Kit, what is the largest size diameter trim line it will take?
      by|Jun 9, 2023
      1 Answer
      Answer This Question

      A:  Thank you for your question on the GRU01M1 Trimmer. This tool will accept .080" and 0.095" trimmer line.

      by|Jun 12, 2023
        Q:What does this tool weight with a battery installed?
        by|Jun 5, 2023
        1 Answer
        Answer This Question

        A:  Thank you for your question on your GRU01M1 trimmer. This tool weighs, 10.4 lbs with the batterie.

        by|Aug 10, 2023
          Showing 1-4 of 12

          Customer Reviews

          4.8 out of 5

          • 4.8 out of 34 reviews
          • 93% recommend this product
          Filter by:
          Showing 1-10 of 34 reviews
          Impressive Performance and Makita Quality
          Makita Brand, 40V max XGT Brushless Cordless 15 in. String Trimmer Kit (4.0 Ah) is a powerful cordless electric trimmer. It will cut down through tough grass right to the roots in the dirt and keep on going. The trimmer has many ways to control trimming speed and power and the ability to be used like a gas trimmer with a variable speed throttle. However, I find using the medium speed at full throttle works best for most trimming. The highest RPM setting at full throttle works great on tough grass or heavy weeds. The low speed, even at full throttle seems too slow for most trimming, yet would be the safest for trimming around fence posts or tree trunks to avoid girdling them. I did not find the Automatic Torque Drive setting worked well for my needs. I do like the auto off feature and the trimmer recalling the last speed setting used when turning back on. And I liked the smaller protector that allowed better view during trimming and improved corner access. The trimmer is well balanced, yet seemed a bit large for my 5’9” height, being ¼ longer than I am tall. I slid the adjustable handle down from its shipping position to achieve a flat trimming angle, which placed the trigger controls somewhat behind me. Ergonomically for shorter folks, a tiltable trimmer head or sliding adjustable trigger would be beneficial and likely lead to greater comfort. I never tried to use the trimmer for edging sidewalks or driveways. I use a blade type walk behind edger. The battery provided long run time without becoming too warm and the fast charger, while the fans are somewhat noisy, charges the battery quickly. Overall, an impressive string trimmer of true commercial quality and performance.
          • Recommended
          2 found this review helpful
          Makita 40V max XGT Brushless Cordless 15 in. String Trimmer Kit (4.0 Ah)
          Makita 40V max XGT Brushless Cordless 15 in. String Trimmer Kit (4.0 Ah) review: This is one tough, high quality powerful string trimmer whose battery lasts long enough for me to trim my entire yard and still have battery power left! The aluminum shaft appears to be aircraft quality aluminum - fine material. Wow! It has a bump type string advance which works extremely well and is made of tough material. Love it. The only recommendation I have for Makita is to make the guard where the trimmer action is MUCH longer. They provide you with safety glasses which is a must. I set the speed to level 2 which is quite powerful. Note that the rotation is counter clockwise so I had to adjust where I stand and the direction I use the tool so that all the grass does not get thrown into my face. A super high quality trimmer that will last a long time. Glad we got it. There ya go!
          • Recommended
          1 found this review helpful
          Finally a Cordless that outdoes my Gas String Trimmer!
          I bought a gas trimmer from a pro equipment dealer several years ago. It has never started easily and I've actually done damage to my shoulder pull starting that thing. I had just enough of that last Saturday when I couldn't get it to start. I have a Makita XGT Rear Handled Saw that is a dream--very powerful and high quality build. It got me thinking. My previous experiences with electric string trimmers has been that they weren't powerful enough. I decided to give Makita's new 15" inch 40V XGT Brushelss/Cordless String Trimmer a try and see if it could replace my gas trimmer. The GRU01M1 Kit comes with a 40V Max 4.0 Ah Li-ion Battery and Fast Charger, a nice padded shoulder strap (it actually fit me--I'm 6'5"), a Rapid Load/Fast Bump Head, and the CPU controlled 15" String Trimmer. This unit has Soft Start, an Electric Brake, and 3 Variable Forward Speeds (and one Reverse!) The Trick with this unit is Auto Torque Drive Mode. In Auto Mode the CPU senses load and adjusts speed to need. My hesitation was that this was going to be a weakling compared to my gas unit. Not so. The proof was in the tall grass corners and odd spots where my Deere doesn't graze. This is much quieter than my gas trimmer (my neighbors thank you) and every bit as aggressive as my gas trimmer. When I was done with my front yard (I have 1/2 acre) it started to rain and we ran inside. I was amazed that I still had 4 bars left on the 4 Ah battery. This performs much better than I thought it might. Awesome Makita Quality Trimmer! Anybody want my old gas trimmer?
          • Recommended
          1 found this review helpful
          A very modern style grass trimmer
          I wanted to try the Makita 40V max XGT Brushless Cordless 15 in. String Trimmer Kit to see if it is a good candidate to replace my broken gas style trimmers. This is the most modern trimmer I have ever seen. This trimmer is about 70 inches long, so you cut a lot of grass when you swing it back and forth. It has 3 speeds so you can choose your power and torque. You can also hit the A button and let the trimmer decide how much power you need. If you get hung up, you can just hit the reverse button to back out for a few seconds, then it goes back to normal. You can also decide for yourself by squeezing the trigger. This is a very powerful trimmer all at the touch of your fingertips. It comes with a shoulder strap and safety glasses and charger and everything you need to get started. It is very high quality and heavy duty and yet very quiet for about any job. The fast charger is also of great quality and keeps the 40-volt battery charged up. I highly recommend this trimmer as it is a great trimmer to replace my hot, noisy, smokey gas trimmer. The Makita trimmer is way better than I ever imagined a battery trimmer could be. You have to try it to understand what modern really is.
          • Recommended
          I'm a believer!
          What a great 40 volt battery powered string trimmer. Having lugged around my Echo trimmer for the last two years. What a pleasure to take the Makita 40 volt 15 inch string trimmer on its first trip around the property. Lightweight and quiet. The three speed RPM's motor offers the right speed for the job. The Makita trimmer also offers an automatic option that the trimmer senses the right speed for the weeds your whacking. Very easy to assemble. The guard and the loop handle was very easy to install. The trimmer came preloaded plastic string. Which was only .080 thick. Once it's used up I plan on using the .095 string that I have a spool of already. Restringing the head is very easy. Measure out thirteen feet. Align the arrow on the head equal out the ends. And just twist the bottom of the head and your done. Easy peasy! The 40 volt charger is a good sized charger. Looks very high tech. And it does have a noticeable hum to it while charging up the battery. Looks like the gas powered trimmer is gonna see a whole lot less action. Very satisfied with the Makita 40 volt trimmer. Say good bye to mixing gas and oil. And even better no more polluting our environment. The planet will thank you!
          • Recommended
          Durable StringTrimmer
          Makita 40 V cordless 15 inch string trimmer kit is one of the nicer string trimmers I've used. It's very durable and the battery life is adequate for completing the little jobs I have around the house. There are three speed options that automatically shift speeds depending on the job you are using it for. 3.500 5,300 and 6,500 RPM. Also has a reverse rotation function to clear the trimmer head quickly. Comes with a shoulder strap which I like using because it can get a little heavy and the strap helps with the weight when you're using it. I recommend this string trimmer.
          • Recommended
          To me the only thing impressive here is the charger, which can play a tune when the battery is fully charged
          I cannot recommend this product. I have a trimmer from 3 or 4 yrs ago that I feel is superior to this in every way. The only innovative thing here is the charger which can play a tune when the battery is fully charged. To activate this feature reinsert the battery within 3 seconds after removing it, repeat this process until you hear a tone that you and then keep the battery in until it is fully charged . with 1 cell, I was able to charge a. 4ah battery within 40minutes. I do not know the exact time because I stepped away from the charger and when I returned. 40min later it was fully charged. This was before I learned how to set the completion tune. while assembling the product, it is important to note that righty is loosey and lefty is tighty. rotating it clockwise will loosen bolts and rotating it counter- clockwise will tighten them. You can adjust the speed to 3 settings on the handle and even reverse the rotation of the line. The deflector is very small, there are 2 places to store your Allen wrench and both places do not conceal the wrench so it protrudes out, which I do not like. This cuts well but I much rather stick with my older trimmer especially since it is easier to reload the line on that one.
          1 found this review helpful
          The Makita 40V max XGT Brushless Cordless 15 in. String Trimmer Kit with Charger and 4.0 Ah Battery is a high-end, powerful weed trimmer suitable for heavy duty usage. It comes nicely packed and the battery must be charged before use. The charger makes quite a bit of fan noise, so it's best to put it in a work room or garage as opposed to you living room. It charged the battery quickly, before I finished assembly. All required tools are included. The motor shaft is shipped with a protector on it that must be removed before the string head can be attached, they don't mention this in the instructions. The trimmer is loaded with functions, it has 3 speeds, and auto mde, and reverse! The auto mode is interesting, it varies the speed based on the workload, so if you encounter heavy weeds it will speed up. Refilling the bump head with string is simple, just line up the arrows, cut a specific length of string (13') and feed it in to the half way point, then wind the center knob until just a few inches is left out. Very easy. Kit includes safety glasses (a must) and a nice bag to store all the tools and accessories in. The allen wrench will store in the body or the handle so you always have it handy. This s a great tool from Makita, I will be getting rid of my gas weed wacker soon, this one does it all with no pollution. A keeper!
          • Recommended
          1 found this review helpful
          Great string trimmer. Whacks my tough old weeds good.
          Typical Makita. Solid mix of excellent performance and price. Whacks better than my last weed-whacker, is significantly lighter, will probably last longer (and much better parts support), so I don't mind the somewhat higher price. I got this in late winter but I had some weeds left from last autumn to test this with. That grass in the corner of the garage door is the toughest grass around, and my previous whacker wasn't really keeping-up with it. This Makita tore right into it, easy. The charger is a little loud and VERY fast. It does work better screwed on the wall than flat on a shelf. Factory loaded string breaks a lot. Apparently this is "demo string" to show it works. It is 0.060". The machine is rated for 0.080-0.090" string. That works better.
          • Recommended
          The power of a gasoline engine in a battery-powered unit!
          I haven’t converted to a battery-powered vehicle yet but I’m working on it with my lawn and garden tools! This Makita 40V max XGT Brushless Cordless 15 in. String Trimmer Kit has everything that I need to spend an hour walking around the house string trimming. Included in the kit is a 40V 4Ah Lithium-Ion battery, a fast battery charger (full charge in about 45minutes), a pair of safety glasses, a carrying strap, a storage bag for various other things – like the tools they provide for you to do the assembly, and obviously, Instruction Manuals for the trimmer and the charger. The trimmer has 3 speeds (Low: 3,500 RPM, Medium: 5,300 High: 6,500 RPM) that allow you to match the speed/power to the job requirements and conserve battery power when possible. There’s a button you can push to allow the trimmer to determine how much speed/power you need for the type of grass you’re cutting – Automatic Torque Drive Technology. Another feature that I haven’t seen previously is the ability of the trimmer head to reverse and help with clearing grass/weed jams. There’s also a warning light on the trimmer that blinks if the demand on the battery is excessive. In short, this trimmer has built-in intelligence to assist with your cutting jobs. Since it’s early April when I’m writing this, I haven’t had an opportunity to do much testing BUT I did take it out in the yard and go after some weeds. It had no problem with anything that I wanted to cut. I would have liked a slightly larger trimmer line. The 0.80” twisted line did well with my limited testing but my other trimmers use a 0.95” line and I’ve never had a problem cutting anything with it. The trimmer weighs about the same as my gas-powered trimmer and is well balanced. I should also mention that the trimmer has a 15” cutting diameter. The only thing that I was not pleased with are the assembly instructions. A specific example is the attachment instructions for the nylon cutting head (the part that contains the trimming line) to the spindle. The spindle comes with a black plastic cover that has a washer and nut that is fastened to the spindle. There are no instructions that tell you what to do with it or if you’ll ever need it again. By the way, the only way that I was able to install the cutting head was to remove the cover. Other than that, I was able to get everything assembled with no problem. No more mixing gas and oil!
          • Recommended
          3 found this review helpful
          Showing 1-10 of 34 reviews

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