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expiredKratos615 posted Feb 25, 2025 06:25 PM

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expiredKratos615 posted Feb 25, 2025 06:25 PM

DeWALT 20V MAX XR 7" Brushless Variable Speed Rotary Polisher (Tool Only)

+ Free Shipping

$159

$319

50% off

Amazon

22 Comments 32,839 Views

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Tool Liquidator LLC via Amazon has DeWALT 20V MAX XR 7" Brushless Cordless Variable Speed Rotary Polisher (Tool Only, DCM849B) for $159.14. Shipping is free.

Thanks to Community Member CleverVolcano4526 for finding this deal.

About this Item:

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 imperfections and improves gripping surface
Can be held via the front grip or side handle

Editor's Notes

Written by Corwin | Staff

About this Deal:
- Our research indicates that this is $95.01 lower (37.4% savings) than the next best available price from a reputable merchant with prices starting from $254.15 at the time of this post.
- Please see the original post for additional details and give the WIKI and forum comments a read for helpful discussion.
About this Product:
- This has a 4.5 out of 5 star overall rating on Amazon based on over 1,500 reviews.
About this Store:
- Don't have Amazon Prime? Students can get a free 6-Month Amazon Prime trial with free 2-day shipping, unlimited video streaming & more.
- If you're not a student, there's also a free 1-Month Amazon Prime trial available. -Corwin

Original Post

Written by Kratos615

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 imperfections and improves gripping surface
Can be held via the front grip or side handle

Editor's Notes

Written by Corwin | Staff

About this Deal:
- Our research indicates that this is $95.01 lower (37.4% savings) than the next best available price from a reputable merchant with prices starting from $254.15 at the time of this post.
- Please see the original post for additional details and give the WIKI and forum comments a read for helpful discussion.
About this Product:
- This has a 4.5 out of 5 star overall rating on Amazon based on over 1,500 reviews.
About this Store:
- Don't have Amazon Prime? Students can get a free 6-Month Amazon Prime trial with free 2-day shipping, unlimited video streaming & more.
- If you're not a student, there's also a free 1-Month Amazon Prime trial available. -Corwin

Original Post

Written by Kratos615

Deal Score

+27

Visit Amazon

Price Intelligence

Model: DEWALT DCM849B 20V MAX* XR Cordless Polisher (Open Box)

Deal History

Sort: Most Recent

Post Date	Sold By	Sale Price	Activity
12/02/24	Woot!	$199	4
03/15/23	Amazon	$199 Popular	9
07/28/21	Amazon	$158 Frontpage	64

Current Prices

Sort: Lowest to Highest | Last Updated 5/27/2026, 08:26 PM

Sold By	Sale Price
Best Buy	$212.99
Amazon	$214.98
Ace Hardware	$329

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Top Comments

no_idea

84 Posts

30 Reputation

This is an amazing deal. If you are new to polishing, make sure you understand the difference between a dual action polisher (DCM848) and this rotary polisher. A dual action polisher is considered more foolproof for newbies

bvbootyking

414 Posts

80 Reputation

The exact opposite. If you do not know what you're talking about you should not be giving advice

22 Comments

Porno

Feb 25, 2025 06:37 PM

4,113 Posts

Joined Jul 2005

PornoFeb 25, 2025 06:37 PM

4,113 Posts

$199 from Abe's as seller. $169.65 from Tool Liquidator LLC

Edit: Now seeing 159.65 from Tool Liquidator.

Last edited by Porno February 25, 2025 at 11:34 AM.

no_idea

Feb 25, 2025 10:38 PM

84 Posts

Joined Sep 2012

no_ideaFeb 25, 2025 10:38 PM

84 Posts

Our community has rated this post as helpful. If you agree, why not thank no_idea

blueletterd

Feb 26, 2025 03:07 AM

1,487 Posts

Joined Aug 2011

blueletterdFeb 26, 2025 03:07 AM

1,487 Posts

Is 7 inch enough or is it average? Is bigger better?

no_idea

Feb 26, 2025 04:02 AM

84 Posts

Joined Sep 2012

no_ideaFeb 26, 2025 04:02 AM

84 Posts

Quote from blueletterd

Is 7 inch enough or is it average? Is bigger better?

It's plenty, I actually prefer a 5 or 6 inch for automotive and will swap out the pad. 7 is great for larger surfaces like an RV or boat

GoGo98102

Feb 26, 2025 04:43 AM

602 Posts

Joined Oct 2004

GoGo98102Feb 26, 2025 04:43 AM

602 Posts

Quote from blueletterd

Is 7 inch enough or is it average? Is bigger better?

Most people think they have a 7" when they really have a 6". I prefer slightly smaller ones because the big ones always get wobbly and don't stay up.

Anhuu

Feb 26, 2025 06:01 AM

30 Posts

Joined Oct 2013

AnhuuFeb 26, 2025 06:01 AM

30 Posts

Quote from gogo98102

most people think they have a 7" when they really have a 6". i prefer slightly smaller ones because the big ones always get wobbly and don't stay up.

Lol....

Last edited by Anhuu February 25, 2025 at 10:04 PM.

916

Feb 26, 2025 06:59 AM

2,548 Posts

Joined Jan 2008

916Feb 26, 2025 06:59 AM

2,548 Posts

Always get two: a small one for smaller panels like bumpers and side mirrors and a big one for everything else

ThaiM

Feb 26, 2025 07:01 AM

110 Posts

Joined Mar 2013

ThaiMFeb 26, 2025 07:01 AM

110 Posts

Quote from no_idea

https://youtu.be/Vyz6P9XeYrw

This videos may add color

Last edited by ThaiM February 25, 2025 at 11:06 PM.

kcollins7

Feb 26, 2025 07:20 AM

403 Posts

Joined Sep 2018

kcollins7Feb 26, 2025 07:20 AM

403 Posts

Quote from ThaiM

https://youtu.be/Vyz6P9XeYrwThis videos may add color

DA polishers are easier to use and give better results for newbies, but they can burn through clear coat easily because they're more effective at polishing. That's the known trade off.

SlickDealLuvr

Feb 26, 2025 11:59 AM

256 Posts

Joined Jun 2016

SlickDealLuvrFeb 26, 2025 11:59 AM

256 Posts

VERY tempted on this.
Does anyone have experience with a battery powered polisher? I have the 3" and 6" griots da, to cut and polish a suburban annually. …its tough to lift your arms for a few days after.

I have 5ah and 8ah dewalt batteries am just thinking the bulk of the tool and 8ah would cook your arms after polishing a boat for a weekend…

dep411

Feb 26, 2025 12:15 PM

7,198 Posts

Joined Jun 2010

dep411Feb 26, 2025 12:15 PM

7,198 Posts

Great deal, cheapest I've seen it. Finally bit for the 1-2 times I use it a year. great upgrade from the plug in Porter-Cable one I've been using.

bvbootyking

Feb 26, 2025 02:36 PM

414 Posts

Joined Dec 2019

bvbootykingFeb 26, 2025 02:36 PM

414 Posts

Our community has rated this post as helpful. If you agree, why not thank bvbootyking

Quote from kcollins7

DA polishers are easier to use and give better results for newbies, but they can burn through clear coat easily because they're more effective at polishing. That's the known trade off.

The exact opposite. If you do not know what you're talking about you should not be giving advice

joeystalin

Feb 26, 2025 02:49 PM

1,101 Posts

Joined Oct 2010

joeystalinFeb 26, 2025 02:49 PM

1,101 Posts

Good deal, but way overkill for everyone but professional detailers. A random orbital/DA polisher is more forgiving, and this is quite large. Meant for polishing large surfaces quickly. But still a good price.

PurpleDirt5287

Feb 26, 2025 02:54 PM

269 Posts

Joined Jun 2024

PurpleDirt5287Feb 26, 2025 02:54 PM

269 Posts

How is this compared to the Flex or M18 polishers. Is there a huge difference?

PowerfulCatfish819

Feb 27, 2025 01:59 AM

3 Posts

Joined Mar 2020

PowerfulCatfish819Feb 27, 2025 01:59 AM

3 Posts

This is an amazing deal. I have this one and a corded makita, which is the standard for many, and I always grab this instead

Unregistered (You)

Free Shipping Home & Home Improvement Tools Drills & Power Tools DeWalt Amazon

DeWALT 20V MAX XR 7" Brushless Variable Speed Rotary Polisher (Tool Only)

$159

$319

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DeWALT 20V MAX XR 7" Brushless Variable Speed Rotary Polisher (Tool Only)

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