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DEWALT 20V MAX* XR Cordless Polisher, Rotary, Variable Speed, 7-Inch, 180 mm, Tool Only (DCM849B)

  • Based on 1,595 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon

Arrives Friday, May 2
Order within 3 hours and 33 minutes
Available payment plans shown during checkout

Features

  • Brushless motor of the car polisher is made for efficient performance and runtime
  • 7-inch backing plate of the variable speed polisher is recommended for most applications
  • DEWALT polisher features no-load speed of 800-2200 RPM for all types of applications
  • Variable speed on the trigger and dial helps to better control the tool during every step of the application
  • Rubber gear case overmold reduces surface imerfections and improves gripping surface
  • Can be held via the front grip or side handle

Description

This 7-inch Rotary Car Polisher features a brushless motor for efficient performance and runtime. No-load speed of 800-2200 RPM with the variable-speed trigger and dial allow for use on cars, headlights, windshields, fiber glass, gelcoat, and for glass-polishing applications. The included 7-inch backing plate is recommended for most applications.

Brand: DEWALT


Included Components: Polisher; 7" backing plate; Side Handle; Bail Handle


Material: Blend


Color: Multi


Product Dimensions: 17.1"D x 7.3"W x 6"H


Power Source: ‎hand_powered


Specific Uses For Product: ‎Polisher


Speed: ‎2200 RPM


Item Weight: ‎4.8 Pounds


Voltage: ‎20 Volts


Global Trade Identification Number: ‎62


UPC: ‎885911621762


Manufacturer: ‎DEWALT


Part Number: ‎DCM849B


Item Weight: ‎4.8 pounds


Product Dimensions: ‎17.1 x 7.3 x 6 inches


Item model number: ‎DCM849B


Is Discontinued By Manufacturer: ‎No


Size: ‎One Size


Style: ‎20V Cordless w/o Battery


Finish: ‎Brushed


Pattern: ‎Polisher


Shape: ‎Rectangular


Item Package Quantity: ‎1


Grit Rating: ‎36


Batteries Included?: ‎No


Batteries Required?: ‎Yes


Date First Available: October 4, 2019


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, May 2

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Powerful, Efficient, and Versatile Tool!
Color: Multi
⭐️⭐️⭐️⭐️⭐️ The DEWALT DCM849B polisher is a game-changer! Smooth variable speed control, strong motor, and cordless convenience make it perfect for automotive or wood projects. Lightweight and professional-grade results—highly recommend!
Reviewed in the United States on April 24, 2025 by Crissy

  • Excellent Cordless Polisher!
Color: Multi
The DEWALT DCM848B is a game-changer! Its variable-speed control and smooth random orbit action make polishing effortless. The 20V MAX* power delivers strong performance without cords. Lightweight and well-balanced, it’s perfect for detail work. A must-have for pros and DIYers—highly recommend!
Reviewed in the United States on April 18, 2025 by ashley

  • Great tool to have!
Color: Multi
Awesome to have a cordless buffer. It does like to beat down the battery built it is worth it!
Reviewed in the United States on April 3, 2025 by Bradley Enterprises

  • More Than Worth It!
Color: Multi
Family-friendly versatility: kid-safe features meet adult sophistication. Built to withstand chaos while retaining polished aesthetics.
Reviewed in the United States on April 21, 2025 by Patsy Sanmiguel

  • Excellent Cordless Rotary Polisher!
Color: Multi
The DEWALT DCM849B is a powerful and versatile cordless polisher. The 20V MAX* XR battery delivers consistent performance, and the variable speed control allows precise adjustments. The 7-inch size is perfect for large surfaces, and the brushless motor ensures long life. Lightweight and easy to handle—highly recommend for professionals and DIYers alike! ... show more
Reviewed in the United States on April 21, 2025 by John M Relyea

  • Title: Powerhouse Performance!
Color: Multi
The DEWALT DCM849B delivers unmatched power and precision. Its variable-speed control, ergonomic design, and long-lasting 20V battery make polishing effortless. Perfect for pros and DIYers alike—highly recommended!
Reviewed in the United States on April 24, 2025 by Mark

  • Excellent Cordless Rotary Polisher!
Color: Multi
The DEWALT DCM849B is a powerful and versatile cordless polisher. Its variable speed control and smooth operation make polishing effortless. The 20V MAX* XR battery ensures long runtime, and the 7-inch size is perfect for various surfaces. Highly recommend for professionals!
Reviewed in the United States on April 24, 2025 by Allan N Swanson

  • Excellent Cordless Rotary Polisher!
Color: Multi
The DEWALT DCM849B is a powerful, cordless polisher with smooth variable speed control. The 7-inch size is perfect for large surfaces, and the battery life impresses. Highly recommend for professionals!
Reviewed in the United States on April 25, 2025 by lenore gilliam

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