Dewalt DCM848 vs DCM849

If you’re looking for a high-quality rotary polisher, you’ll likely come across the Dewalt DCM848 and the DCM849. Both of these models are popular among professionals, but which one is the best option for you? In this post, we’ll compare the two machines and help you decide which one is right for your needs.

Dewalt DCM848:

dewalt dcm848

The Dewalt DCM848 is a powerful and efficient cordless rotary polisher designed for professional use. This 20V MAX XR Polisher features a brushless motor that provides efficient performance and runtime, with an orbit diameter of 2.1 inches and a 5-inch backing plate recommended for most applications.

The speed range of the tool ranges from 2000-5500 OPM for all types of applications, giving you better control over the task at hand. Additionally, the rubber gear case over mold reduces surface imperfections and improves gripping surfaces for more secure handling.

The DCM848 features two different ways to be held when in operation; via the front grip or side handle. Its lightweight design at 7 pounds makes it easier to move around the work area, and its 9.1 x 9.1 x 9.1-inch dimensions make it compact enough to fit in tight spaces.

The polisher is battery-powered with 20 volts of power and comes with a Dewalt random orbit polisher, a 5-inch backing plate, a side handle, a Torx key, and a three-year warranty. Dewalt also offers a one-year free service and a 90-day satisfaction guarantee for this product.

This powerful cordless rotary polisher from Dewalt has been designed for professional use and provides great performance and reliability for whatever task you need it for. The DCM848 is equipped with a brushless motor for efficient performance, variable speed on the trigger and dial, a rubber gear case over mold, two different holding methods, and a 3-year warranty. If you’re looking for a reliable tool that offers great performance and lasting durability, this is the one for you.

  • Brushless motor ensures efficient performance and runtime.
  • 2.1-inch orbit diameter and 5-inch backing plate is ideal for most applications.
  • Variable speed trigger and dial help to better control the tool.
  • Rubber gear case over mold reduces surface imperfections.
  • Can be held via front grip or side handle.

    Dewalt DCM849:

    dewalt dcm849

    The Dewalt dcm849 20V Max XR Cordless Polisher is perfect for those who are looking for a high-performance rotary polishing machine. This brushless motor is made to provide efficient performance and long-term durability, perfect for detailing cars, boats, and other surfaces.

    The Dewalt dcm849 features an adjustable speed dial on the trigger which helps to better control the tool during every step of the application. This device also includes a 7-inch backing plate, recommended for most applications in automotive polishing. It has a no-load speed of 800-2200 RPM, making it ideal for a variety of detailing projects.

    In addition, the Dewalt dcm849 comes with a rubber gear case over-mold which reduces surface imperfections and improves the gripping surface. This car polisher can be held via the front grip or side handle and has an item weight of 4.8 pounds. It also has product dimensions of 17.09 x 7.28 x 5.98 inches, along with a three-year warranty and a one-year free service plan included with every purchase.

    Overall, the Dewalt dcm849 is a powerful, durable, and highly versatile variable speed polisher. It’s perfect for those looking to take their automotive detailing projects to the next level.

    • Brushless motor is made for efficient performance and runtime
    • Variable speed on the trigger and dial helps to better control the tool during every step of the application
    • Rubber gear case over mold reduces surface imerfections and improves gripping surface
    • Can be held via the front grip or side handle

      Difference Between Dewalt DCM848 vs DCM849


      Dewalt DCM848

      Dewalt DCM849




      Power Source




      7 Pounds

      4.8 Pounds


      9.1 x 9.1 x 9.1 inches

      17.09 x 7.25 x 5.98 inches

      Disc Size

      5 inch

      7 inch



      One size





      20 Volts

      20 Volts

      Maximum Sanding Speed

      2000 to 5500 OPM

      800 to 2200 OPM

      Included Components

      Side handle,Torx Key

      Side handle,Bail handle


      3-year warranty

      3-year warranty


      Also Read: We Compare Dewalt DCG414 vs DCG418

      Comparison of DCM848 vs DCM849:

      The Dewalt DCM848 and DCM849 models are both excellent choices for rotary polishers. Both machines have powerful motors and offer different speed settings, allowing them to be used on many types of surfaces. Their construction is also robust, with rubber gear cases designed to reduce surface imperfections and improve gripping.

      When comparing the two polishers side-by-side, there are a few key differences that stand out. First, the DCM848 features a 2.1-inch orbit diameter and includes a 5-inch backing plate, while the DCM849 model has a 7-inch backing plate for larger jobs. The DCM848 can reach speeds up to 5500 OPM (Orbits Per Minute), while the DCM849 offers a slightly lower maximum speed of 2200 RPM.

      In terms of weight and dimensions, the DCM848 is slightly heavier (7 pounds) and larger (9.1 x 9.1 x 9.1 inches). The DCM849 model is more compact (17.09 x 7.28 x 5.98 inches) and lightweight (4.8 pounds). Both models come with a variable speed trigger and dial for better control over the tool, as well as rubber gear cases to reduce surface imperfections on the workpiece and improve gripping surfaces.

      The DCM848 includes a Torx key, while the DCM849 comes with an additional bail handle for increased control when polishing large areas. Both models are also backed by a three-year warranty, one-year free service, and 90 days satisfaction guarantee.

      Ultimately, the right choice for you depends on your specific needs, budget and preferences. The DCM848 is more powerful, allowing users to tackle larger jobs with confidence. On the other hand, the DCM849 is lighter and easier to maneuver, making it a good option for smaller projects or tight spaces. Whichever model you choose, both polishers offer high-quality results that will leave your surfaces looking like new!

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