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DeWalt DWP849X 7”/9” Variable Speed Rotary Polisher

Precisely controlled power for superior polishing.

The DeWalt DWP849X 7”/9” Variable Speed Rotary Polisher is a lighter, more powerful polisher designed to restore auto paint with more control and comfort. The DeWalt DWP849X has a CFS Controlled Finishing System with soft start to ensure high finish quality. Use it for auto detailing and restoration, metal and concrete finishing.

Compared to the previous DeWalt 849 polisher, the DWP849X has improved ergonomics and control, a more powerful motor, and it's lighter. The variable speed dial delivers 0-600/0-3,500 RPM, giving users the power and speed necessary for difficult applications. The DWP849X weighs just 6.5 pounds, yet it houses a 12 amp motor (the DW849 contains an 8 amp motor).

The DWP849X includes the (CFS) Controlled Finishing System® with soft start to give users improved speed control and finish quality. In addition to the traditional straight side handle, the DWP849X comes with a three-position bale handle for multiple gripping options. It also offers an ergonomically sculpted rear handle with rubber overmold, as well as a non-marring rubber gear case cover which helps to reduce the chance of finish scuffs or scratches. The ergonomic two-finger trigger helps to reduce user fatigue by accommodating a range of finger positions for professionals using the tool over an extended period of time; all of these features provide improved comfort and speed control compared to traditional polishers.

The DeWalt DWP849X Circular Polisher restores auto paint. DeWalt DWP849 Circular Polisher operates a slow speeds for fine finish work.

The hook and loop backing pad, which is included with the DWP849X, allows for quick, tool-free accessory changes. Foam and wool pads with hook and loop fasteners can be used. The 3M Quick Release Adapter is also compatible with the machine and allows the use of double-sided pads.

Contributing to the durability of the DWP849X are the wool ingestion shields covering the air intake. These shields help to eliminate wool and debris ingestion, increasing the life of the tool.

The DeWalt DWP849X 7”/9” Variable Speed Rotary Polisher is built for professionals, such as auto detailers, paint technicians, metal fabricators, and finishers. The variable speeds ranging from 600 to 3500 rpm can be used for slow, fine polishing and for high speed defect removal.

Like all DeWalts, the DWP849X is ruggedly built. All ball bearing construction and heat-treated, precision-cut steel gears ensure smooth operation and long life.

Use the DeWalt DWP849X 7”/9” Variable Speed Rotary Polisher for all your demanding compounding and polishing applications. Its rugged durability and controlled variable speeds enable precise operation and excellent results.

Use the DeWalt DWP849 Rotary Polisher on gel coat fiberglass boats and RVs.Features:

  • Powerful, 12.0 Amp, all ball-bearing construction for long life and performance for the most demanding applications
  • Electronic module maintains specified speed under load delivering better finish results
  • Conveniently located variable speed dial lets user set maximum speed from zero to 600/3500 rpm for different materials and applications
  • Variable speed trigger allows user to control speed from 0 to dialed maximum setting
  • Heat-treated, precision-cut steel gears for smooth operation
  • Wool Ingestion Shields eliminates wool ingestion increasing tool life and reducing service costs
  • Non Mar Rubber Gear Case Cover reduces surface imperfections and improves gripping surface




Max Watts Out


No Load Speed

0-600 / 0-3,500rpm

Spindle Thread


Spindle Lock


Tool Length


Tool Weight

6.5 lbs

Warranty Information

This DEWALT® High Performance Industrial Tool comes with a warranty package that includes:

  • Additional discounts are not applicable.
  • Please call for an expedited shipping quote on this item.1-800-869-3011

DeWalt DWP849X 7”/9” Variable Speed Rotary Polisher

Our Price: $249.99
Item ID: DW-P849X
Availability: Usually ships the same business day
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10 Reviews
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40% Recommend this product (4 of 10 responses)
By Brent
Oklahoma City
February 13, 2016
Great product
Bought this for my vehicles and couldn't be happier. Very well made and more than exceeds my expectations.
ProsWell built
Mission Viejo, California
September 29, 2015
Solid Polisher
The DeWalt 849X was my first dive into a full-sized rotary polisher. After developing significant experience with the PC7424xp, then the Flex 3401VRG, I took the plunge on this puppy, and it is NICE! It was a tough decision between this and the Flex PE 14-2, but I can tell you, this tool is more than capable of handling anything you might consider throwing at it. It isn't particularly loud, and it is super smooth and easy to handle. I recommend the DeWalt 849x without reservation.
December 31, 2014
By Todd
August 13, 2014
So much nicer!
Compared to all other polishers we've used, the DeWalt is the most well balanced, comfortable, and effective tool we've had. It does a better job in a shorter amount of time.
By Curtis
July 19, 2013
Great and durable polisher
With the abuse our 849X has taken at work, I know that this tool is built to last. Has plenty of power to get the job done, and has lived through many drops from 4+ feet. This is a quality too, and I know it will not need to be replaced any time soon.
By Sam
December 24, 2012
Great Polisher
Agreed with the other reviewers, this is an awesome polisher and is well worth the money. If you are price conscious then this is it. The $400 flex is great but this is the next best thing.
By The Other Dave
November 9, 2012
Best polisher for the money
Like the reviewer below I did my homework as well. For @ $200 this is the best made polisher hands down. Will not slow down as weight is put down on this. Has a wool ingestion shield as well as everything put where you need it when you need it. If you don't want to spend almost 4 beans for the Flex (which is worth it) then this is by far a fantastic polisher. Very happy I bought it.
By Dave
October 26, 2012
Fantastic Polisher
Did my homework on this polisher. Has a soft start feature and everything is ergonomically in place. Lots of power and doesn't weigh much. (8 pounds) Best polisher for @ $200 hands down.
By Upper Class Detailing
May 27, 2012
Solid Machine
Sold my Makita 9227C and got this Dewalt DWP849X. And let me say, I couldn't be happier. Ergonomic, up to 3500 RPMs, 12 amps, etc. Things to consider before you buy: 1. It's a 12 amp polisher so you'd have to upgrade an extension cord to a 14 gauge; or it will overheat; 2. It doesn't come with a bag.
By Manny T.
October 15, 2011
Dewalt 849x=Awesome
I recently received my 849x and I absolutely love it. Plenty of power for any polishing you can throw at it. It's built quite sturdy and also is and feels solid in your hands. The weight is also quite light for those long days (and nights) polishing sessions. So I can polish for hours without feeling really fatigued and as if I got into a fight. The ergonomics for me are spot on with the ergonomic trigger handle along with the bale handle that is also welcoming to me. It allows me to hold the polisher comfortably in any position and at any area of the vehicle. What pleases me the most compared to my other rotaries and DAs is how quiet it is despite the power it possesses. A plus for my closer neighbors and me. Passers by see the tool working on the paint and since has brought me more customers. A 6 out of 5 stars from me. :thumbs up: