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M12 FUEL 8 in. 12V Lithium-Ion Brushless Cordless Hedge Trimmer Kit and M18 FUEL QUIK-LOK String Trimmer Kit (2-Tool)

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  • Meets the detail trimming needs with increased access and control
  • Easy Load Trimmer Head: Easy Line-Loading, Under 30 Seconds
  • No Gas Headaches
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Product Details

About This Product

The Milwaukee M12 FUEL 8 in. Hedge Trimmer is designed to meet the detail trimming needs of landscape maintenance professionals. Compared to a full size hedge trimmer the compact design delivers a lighter weight and 1-handed use to make it easier to control in tight access applications. When running into more demanding applications the trimmer has the power to cut 1/2 in. branches while also being the fastest cutting in its class for increased application speed and overall productivity. The blade tip guard prevents damage to the property and the blades. The Milwaukee M12 FUEL hedge trimmer is fully compatible with 125 plus solutions within the M12 system. The Milwaukee M18 FUEL String Trimmer with QUIK-LOK, designed for landscape maintenance professionals, provides users with the power to clear thick brush, reaches full throttle in under 1 second and features a balanced design which increases user control. 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 and part of the M18 system of 250+ tools.


  • 2533-21 M12 hedge trimmer: Powerstate brushless motor delivers 2700 SPM delivering the fastest cutting subcompact hedge trimmer
  • 2533-21 M12 hedge trimmer: REDLITHIUM batteries deliver more work per charge and more work over the life of the battery
  • 2533-21 M12 hedge trimmer: meets the detail trimming needs with increased control and access
  • 2533-21 M12 hedge trimmer: power to cut 1/2 in. branches
  • 2533-21 M12 hedge trimmer: fastest cutting in its class
  • 2533-21 M12 hedge trimmer: 1-hand use
  • 2533-21 M12 hedge trimmer: 8 in. blade
  • 2533-21 M12 hedge trimmer: cut capacity: 1/2 in.
  • 2533-21 M12 hedge trimmer: strokes per minute: 2,700
  • 2533-21 M12 hedge trimmer: weight: 3.6 lbs. (with battery)
  • 2825-21ST M18 string trimmer: RPM: 0 to 4900/0 to 6201
  • 2825-21ST M18 string trimmer: cutting swath: 14 in. to 16 in.
  • 2825-21ST M18 string trimmer: features the Milwaukee easy load trimmer head
  • Includes: M12 FUEL 8 in. hedge trimmer, M12 REDLITHIUM XC 4.0 extended capacity battery pack, M12 lithium-ion battery charger, scabbard, M18 FUEL power head with QUICK-LOK, M18 FUEL QUIK-LOK string trimmer attachment, M18 REDLITHIUM HO 8.0 battery and M18 and M12 rapid charger
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Product Information

Internet # 321557420

Model # 2533-21-2825-21ST


Dimensions: H 5 in, W 2.50 in, D 23 in


Assembled Depth (in.)

23 in

Assembled Height (in.)

5 in

Assembled Width (in.)

2.50 in

Blade Gap (in.)

0.375 in

Blade Length (in.)

8 in

Blade Width (in.)


Maximum Cut Diameter (in.)

0.50 in

Shaft Length (in.)

0 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

Cut Strokes per Minute






Number of Total Batteries Included


Power Type


Product Weight (lb.)

3.60 lb





Shaft Type

Straight Shaft

Single/double-sided blade


Start Type


Trimmer Type

Hand Held

Warranty / Certifications

Certifications and Listings

UL Listed

Manufacturer Warranty

3 Years (Tool), 2 Years (Battery)

Questions & Answers

Q:Is the motor located down in the cutting head or further up the shaft?
by|Apr 5, 2024
1 Answer
Answer This Question

A:  Hi Hess! The motor is located in the powerhead of the M18 FUEL String Trimmer. To view a parts diagram with more information, you can copy and paste this link into your browser - https://documents.milwaukeetool.com/54-49-2810.pdf Thank you! - Milwaukee Tool Social Team

by|Apr 11, 2024
    Q:Has the melted battery and terminal issues been addressed yet?
    by|Mar 19, 2024
    0 Answer
    Answer This Question
    Q:How long does battery last
    by|Dec 4, 2023
    1 Answer
    Answer This Question

    A:  The Easy Load Trimmer Head provides an easy line loading experience and the ability to load up to 25' of trimmer line in under 30 seconds when used with a M18™ REDLITHIUM™ HIGH OUTPUT™ XC8.0 Batteries. - Milwaukee Tool, Social team

    by|Apr 20, 2024
      13 found this answer helpful
      Q:What is the weight of the trimmer plus a battery?
      by|Sep 9, 2023
      1 Answer
      Answer This Question

      A:  Hi Smith - The weight is 12.3 lb. - Milwaukee Tool, Social Team

      by|Apr 18, 2024
        2 found this answer helpful
        Showing 1-4 of 89

        Customer Reviews

        4.5 out of 5

        • 4.5 out of 1,667 reviews
        • 72% recommend this product
        Filter by:
        Showing 1-10 of 1,667 reviews
        Amazing like always!
        I was looking into buying a trimmer since forever. Was looking at other brands and reviews but everything kept leading me back to Milwaukee. Their tools might be on the pricey side but honestly they are worth every single penny put into them. You will not be disappointed with this trimmer at all. I’ve used other trimmers none come close to the force this one has. You can count on it to get the job done through very thick brush. Amazing like all Milwaukee tools.
          • Recommended
          • Verified Purchase
          1 found this review helpful
          I’m amazed
          I was extremely hesitant to get a battery powered trimmer but after use it for the 4th I will 100% recommend it Ofcourse it would make even more sense if you are a Milwaukee guy already either way 5 starts for this trimmers
            • Recommended
            1 found this review helpful
            Flaw at battery contacts
            I have had two of the same models and they both have failed at the point where battery connects to contacts and contact module is loose and creates a melting point at contacts/ battery terminals due to vibratiothen oil n , would suggest securing contact block for zero movement and
            Response from Milwaukee ToolApr 10, 2023
            Thank you for taking the time to share your experience with your M18 Cordless String Trimmer. We will pass this information onto the product team. If you have any additional feedback, please send our team an email at Social.media@milwaukeetool.com - Milwaukee Tool Social Team
              7 found this review helpful
              Motor is good, string trimmer head is garbage.
              Use it for edger but not weed trimmer. The quick load string trimmer head has a bump cap that will fail in just a few months and Milwaukee has gone the garbage route of not selling the 2$ cap. Instead they tell you to purchase a new head at 40$+. Pretty pathetic for a company that usually has good customer service but it looks like they are going to way of all other companies and just don’t care about their customers anymore. Was told echomatic pro head. pn21560031 fits and lasts.
              Response from Milwaukee ToolFeb 16, 2023
              Hi Robert- We are sorry to hear you did not have the best experience! Our team would like to assist. Can you please send us an email at social.media@milwaukeetool.com? Thank you! -Milwaukee Tool Social Team
                22 found this review helpful
                Falls way short!
                I own several Milwaukee power tools and have been happy with their performance. I decided to purchase the brushless string trimmer instead of a gas weed eater because I already owned multiple batteries. VERY disappointed after several months of ownership, the trimmer will run for a few minutes, overheat and stop; head has also worn out after only a few months, common issues! Glad I didn't invest in the other attachments as I was planning on doing.
                Response from Milwaukee ToolSep 27, 2022
                Hi PA12- We are sorry to hear you did not have the best experience with your M18 FUEL String Trimmer w/ QUIK-LOK! Could you please send our team an email at social.media@milwaukeetool.com, so we can best assist? Thank you! -Social Team
                  13 found this review helpful
                  Melting the battery
                  The battery terminal is melting after a month of light use. Milwaukee didn't do much testing on this one.
                  Response from Milwaukee ToolJul 11, 2022
                  We would like to investigate this. Could you send our team an email at socialmedia@milwaukeetool.com, so we can assist? Thank you - Social team
                    5 found this review helpful
                    Not durable for the price
                    I’ve had this just over a year and used it 12 times. As you can see part of the head wore off in no time. Not covered under the warranty apparently and also you have to replace the whole head instead of the plastic clip on cover. Extremely disappointed considering I bought this with all the other attachments
                      15 found this review helpful
                      Broke in 1st week, 15-20 min per charge
                      Bought this to use around the property, battery life was terrible 15-20 min max. On its 3rd or 4th charge the battery wouldn’t come off the weedwacker. Once I got it off the battery looks to have melted. To make this worse I tossed the reciept and Home Depot won’t return so I’m stuck with a $300 piece of trash.
                      Response from Milwaukee ToolJun 16, 2022
                      We would like to assist with your trimmer and your battery. Could you send our team an email at socialmedia@milwaukeetool.com? Thank you - Social team
                        9 found this review helpful
                        all my tool is milwaukee
                        highly recommended product
                        • Verified Purchase
                        • Recommended
                        1 found this review helpful
                        Showing 1-10 of 1,667 reviews