Model#: DEWND55146

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Brand new items;Full manufacturer warranty available
Manufacturer inspected, repaired and tested items; CPO 120 day money back guarantee
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New items with possible minor cosmetic damage; CPO 120 day money back guarantee
Returned items inspected, repaired and tested by CPO technicians; CPO 60 day money back guarantee

Dewalt D55146 1.6 HP 4.5 Gallon Oil-Free Wheeled Portable Air Compressor

  • Dewalt D55146 1.6 HP 4.5 Gallon Oil-Free Wheeled Portable Air Compressor
New $379.00
Recon $284.99
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  • 200 maximum PSI provides user with 80% more usable air than the industry leading compressor
  • 5.0 CFM at 100 PSI allows the compressor to recovery quickly after its initial tank charge is exhausted
  • Vertical stand feature allows user to save space by transporting or storing the compressor in a vertical position
  • 78 dBA operational noise level for a quieter work environment
  • 10 in. pneumatic wheels allow for easy transportation around the jobsite
  • Efficient high pressure technology allows for longer pump and motor life
  • Oil-free, maintenance-free pump for convenient use
  • Efficient high pressure motor allows the compressor to be run with an extension cord (12-gauge or heavier, 50 ft. or less) due to consistent AMP draw requirement of the compressor
  • High flow coupler allows for maximum nailer performance
  • Metal console panel provides a display area as well as protects the gauges, couplers and regulator
  • 2 in. gauges allow for an easy-to-read surface
  • 1.6 HP Wheeled Portable Electric Compressor - D55146
Compliance and Restrictions
warning: This product can expose you to Lead, which is known to the State of California to cause Cancer and Birth Defect/Reproductive Harm. For more information go to


Length: 33.50 in.
Width: 23 in.
Height: 15 in.
Weight: 83 lbs.
Air Consumption at 40 PSI (SCFM): 6.5
Air Consumption at 90 PSI (SCFM): 5
CSA Safety: No
Drive System: Belt Drive
ETL Safety: Yes
Fitting Size: 1/4 in
Lubrication System: Oil-Free
Motor Type: Brushed
Noise Rating (dBA): 78
Operating Pressure (PSI): 200
Power Source: Electric - Corded
Pump Speed (RPM): 1750
Pump Type: Reciprocating
Tank Capacity: 4.5 Gallon
Tank Construction: Cast Iron
UL Safety: No


  • Supports roofing and framing nailers
  • Supports brad nailers and finish nailers
  • Recommendations


    4.4 / 5.0
    179 Reviews
    5 Stars
    4 Stars
    3 Stars
    2 Stars
    1 Star
    Yes, I would recommend this to a friend (150)
    No, I would not recommend this to a friend (8)
    Powerful (111)
    Lightweight (31)
    Easy To Use (5)
    Value (4)
    Heavy (31)
    Loud (2)
    Best Uses
    Frequent Use (4)
    Heavy Duty Requirements (3)
    Large Projects (3)
    Small Projects (2)
    Perfect for me
    Good buy. A little pricey but I don’t mind paying a little extra for quality tools. I keeps up and works so much better than my old pancake compressor from another company
    May 24, 2019
    Originally posted at
    Piston / Pump went bad - Less than 2 years old
    The Compressor worked Great for the first year and a half. Started to hear a rattling noise. Went to the Dewalt Factory and they indicated the Pump and Piston are going bad - Warranty is only for one Year. I would have hoped they Covered Internal failures longer than 1 year..
    December 18, 2018
    Originally posted at
    Everything I could have asked for.
    When I was looking to buy a compressor, I was looking for something that would always have more power, functionality, and reliability than I would ever need. I never wanted to worry about whether or not my compressor could handle whatever I needed it to do, from filling up truck tires, blowing off a lawnmower, or running tools. I'm not any kind of power-user, just a diy-er, but I wanted something that was future-proof--I'm a "buy your last tool first" kind of guy. This compressor is exactly what I wanted.

    It has a large enough capacity, and fills fast enough, that I've never been out of air. It's simple to use, and reliable. And, even though I've only ever used one hose, it has dual couplers, so there's room for "expansion" of sorts, if I ever need it to do more for me in the future. This compressor is possibly the Dewalt tool that I use the most frequently, with the possible exception of my drill-driver. I've never regretted spending the money on it.
    This review was collected as part of a promotion
    November 17, 2018
    Originally posted at
    Great compression
    Best air compressor on the market right now for residential and commercial framing and roofing!!!
    This review was collected as part of a promotion
    November 13, 2018
    Originally posted at
    Never Fails
    I have this running in my garage. Always fills quickly, and works as it should. I'd buy again.
    This review was collected as part of a promotion
    November 13, 2018
    Originally posted at
    Was fine but now the gauge blew out and it died.
    Used this fairly lightly but now the pressure gauge pegged and the face of the gauge blew right off. I suspect the pressure switch went bad and the safety valve also did not work as designed. Cheap parts. I could have been injured as I was right in front of it and the gauge parts flew right by my head. I will get something else.
    August 15, 2018
    Originally posted at
    Air to spare
    Works great, rebuilds pressure fast, not load, easy to move around
    April 30, 2018
    Originally posted at
    Works Great!
    Best portable electric compressor I've owned, have it about a year now, I run framing nailers and it has no problem keeping up. It is also reasonably quite compared to the other electric compressors I've owned. I also like how easy it is to move and how compact it is.
    February 23, 2018
    Originally posted at
    Excellent quality
    Not a single problem after more than 4 years of ownership.
    December 26, 2017
    Originally posted at
    Yes, I would recommend this to a friend
    Just like new. I am so happy with this purchase.
    This compressor has more than enough power to assist in our spray overlay business

    Great product at a great price
    August 9, 2016

    Questions & Answers

    Start typing your question and we'll check if it was already asked and answered. Learn More
    Browse 16 questions Browse 16 questions and 19 answers
    Is it ok to use this compressor standing upright?
    A shopper on Sep 25, 2016
    BEST ANSWER: The compressor must be on a flat surface resting on the wheels and rubber foot according to the Dewalt manual.
    Is it hard to change the belt?
    A shopper on Dec 12, 2018
    BEST ANSWER: The manual does not list any instructions on how to change the belt. We suggest speaking with a technician at the manufacturer, who can provide you with the accurate information. The number to reach the technician is 1-800-433-9258.
    Will this compressor operate and impact guns?
    Samuel on May 12, 2017
    how much is the cost to run for 10 hours
    Duke on Jul 12, 2016
    BEST ANSWER: Your question would be best answered by Dewalt direct. Please contact them at 800-433-9258
    I just want to know if this air compressor can be use for changing tires ?
    Bert on Dec 10, 2015
    BEST ANSWER: It depends on the scfm requirements on the impact wrench but in general, yes it can work.
    Will this compresor operate an impact rated at 5scfm?
    Samuel on May 12, 2017
    It getting louder and takes a long time to pump up?
    A shopper on Jan 27, 2017

    New Vs. Reconditioned

    What's the difference between New and Factory-Reconditioned?

    Factory-Reconditioned products have been returned to the manufacturer and are restored to like-new operating condition; they go through a rigorous testing and inspection process. Plus, they offer a significant savings vs. new.
    • Reconditioned products may have minor cosmetic blemishes or scratches that do not affect item performance.
    • Reconditioned products may not come with all of the consumables the new version comes with (bits, sanding pads/papers, cases, etc.).
    • Both come with a manufacturer warranty and are covered by our Money Back Guarantee; New is 30 days, Reconditioned is 120 days.
    Condition: New Factory Reconditioned
    Features: Same Same
    Specs: Same Same
    Includes: 1.6 HP Wheeled Portable Electric Compressor - D55146 1.6 HP Wheeled Portable Electric Compressor - D55146R
    Availability: In Stock In Stock
    Warranty: 3 Year 1 Year
    Price: $379.00 $284.99
    You Save: N/A $94.01 (25%)


    Dewalt Compressors Warranty

    The warranty on new DEWALT compressors is as follows:

    Electric Units:

    • 30 Day Money Back Guarantee
    • 1 Year Free Service Contract
    • 1 Year Full Warranty

    Gas Units:

    • 1 Year Free Service Contract
    • 1 Year Warranty
    • 2 Year Limited Warranty on Honda GX Engine, through Authorized Honda Service Centers

    NOTE: There is no return policy on gas compressors. They would have to be taken to a DEWALT Factory Service Center, not returned to CPO DEWALT.