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DEWALT D55140 1-Gallon 135 PSI Max Trim Compressor

4.4 out of 5 stars 209 customer reviews
| 20 answered questions

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  • Heavy-duty 1-gallon trim compressor with protective roll cage
  • 135 psi maximum, durable oil-free pump, low 71 dB rating, low 2.6 amp motor
  • Includes 1 compressor; hose & nailer not included
  • 9-inches wide; 24 pounds; 1-year warranty
28 new from $139.87
$140.06 & FREE Shipping. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

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Product Description

Product Description

The product is GAL 135PSI Compressor. Easy to use. The product is manufactured in United States.

Amazon.com

The DeWalt D55140 One-Gallon, Max 135-PSI Trim Compressor is a one-person tool that offers efficiency and dependability. This indispensable hand-carry compressor features a lightweight, compact design and quiet operation for punch-out work. Ideal for finish carpenters and woodworkers, the D55140 can be used for remodeling and custom installation of shelves or other furniture, cabinet trim installation, pressure-testing new plumbing lines, and more.


The DeWalt D55140 Max 135-PSI Trim Compressor
At a Glance:
  • 2.6-Amp motor; 90 - 135 PSI
  • Quiet 69-dB rating
  • Durable oil-free pump
  • Compact and portable at 24 pounds


Control panel features universal connection for use with any pneumatic tools.
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Portability and quiet operation make the compressor especially versatile.
Versatile, High-Performance Compressor
Whether you're testing plumbing lines or making quick work of a remodeling project, the D55140's high-performance operation simplifies trim work and other jobs.

The D55140 features a one-gallon tank and a 2.6-amp motor that delivers 0.75 SCFM at 90 PSI and 135 PSI max, which makes for high-surge performance and quick recovery. Additionally, the draw motor offers easy startup and reduced breaker tripping, as well as a high-flow regulator that provides maximum air pressure to increase jobsite performance. And running at 69 dBA, the D55140 provides end users with a quieter operation compared to the competition.

The D55140 is also equipped with an oil-free, long-life pump, allowing for maintenance-free operation. The oil-free design of the pump eliminates the need for you to check or refill the pump, and it also helps keep your jobsite clean by preventing oil from transferring to your work surface.

Exceptionally Durable for Long Life
The efficient and unique design of the D55140 ensures maximum durability and longevity. DeWalt built the heavy-duty cast-iron compressor with an innovative roll cage and a full-protection frame designed to shield the unit from routine wear and tear and accidental damage. In addition, a wrap-around control panel covers the frame and provides further protection of key compressor components.Compact, Lightweight Design for Easy Portability
Measuring 24 pounds and with a height of just nine inches, the D55140 is ideal for those who prefer hand-carry compressors. For further convenience, DeWalt equipped the D55140 with a one-hand, universal quick connection for easy-to-use operation with any of your pneumatic tools. And for increased efficiency, the D55140 was designed with a ball drain valve for quick and thorough tank draining and with a convenient cord wrap for easy storage.

What's in the Box
135-PSI compressor and manual.



Product Information

Technical Details

Part Number D55140
Item Weight 30 pounds
Product Dimensions 20.5 x 15.8 x 10.8 inches
Item model number D55140
Color yellow
Style stationary
Power Source gas-powered
Item Package Quantity 1
Capacity Description 1 - gallon
Sound Level 69 dB
Accessory Connection Type Quick Couplers
Compatible Fastener Range Universal Quick Couplers
Warranty Description 30 Day Money Back Guarantee, One Year Free Service Contract, One Year Warranty

Technical Specification

Warranty [pdf ]

Additional Information

ASIN B000HZJMFM
Customer Reviews
4.4 out of 5 stars 209 customer reviews

4.4 out of 5 stars
Best Sellers Rank #21,837 in Home Improvements (See top 100)
#20 in Home Improvement > Air Tools > Air Compressors > Portable Air Compressors
#745 in Home Improvement > Power & Hand Tools > Power Tools
Shipping Weight 30 pounds (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First Available July 7, 2004

Warranty & Support

Warranty, Parts:Parts
Product Warranty: For warranty information about this product, please click here. [PDF ]

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

This compressor is fairly powerful, when it works... if you'll notice, a lot of people have problems with this unit quitting working after a certain amount of time, and here's the reason and the fix for those who are at all curious...

There's something wrong with the way this unit draws power, which causes a short in the circuit board. The board gets overloaded if you leave it on, and the fuse blows. No fuse means the unit stops working completely. You can replace the fuse (I believe it's a 5 amp fuse) on the inside - but it will blow again after a matter of time (like I said, a defect in the circuitry...)

It is something of a pain to open this compressor up and work on it. I installed a plate on the outside that holds the bottom plastic back together, and removed the stock compression clamps on the hoses and replaced those with screw down hose clamps. Now the unit is easier to open than it was before..but it is still something of a nuisance to open it up and fix it.

To fix this (somewhat) permanently, I soldered wire on either side of the circuit board, and moved the fuse to the outside of the unit. The fuse is now accessable directly on the ouside of the case (between the tank and the knobs) - and when it blows, I can simply replace it with another fuse for about $0.80.

A more permanent solution would be to put a 5A breaker on the outside, so you just have to flip a switch when it pops...but I haven't gotten to that point yet.

.......even with this fix, I would still reccomend staying away from this compressor. It IS ultra portable and when it's working it's great for trim and light work, but who wants to open up an air compressor to fix something that should have been either caught by Quality Control or recalled entirely?
6 Comments 139 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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great for all trim jobs one man small gun
will do anything with a nail gun
yes even a framing gun
just work slow
6 nails a min
very quiet sounds like a washing machine
very light
and feels solid
only rated for 500 hrs
4 Comments 52 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Got this compressor as a Christmas present. Really like the light weight and size. Hooked it up and broke it in as per instructions. Very quite unit. When I pressurized the line, it leaked air quickly. Called customer service and they said it was most likely the pressure regulator and offered to mail me one. However, I opted to take it to the local Dewalt Service Center for repairs. After 2 weeks, I checked on status and was told they were awaiting parts. At 4 weeks, I called and was told they didn't know if or when they would get the parts in. So I picked it up and returned it to Amazon. No problems in the return. When the factory service center can't get the parts, it is not a piece of equipment I want to own.
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Got this compressor last christmas so haven't had it that long yet, but so far it's worked without a hitch. This is a nice little compressor for trim jobs. It's very easy to carry around because of its light weight. It fills up fast and is rather quiet. Got all new windows in my house and have had to case them all. No problems using my trim nailer with this compressor, it would go on about every 7 shots. I highly recommend this compressor for light trimming jobs.
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Bought this air compressor to use with some trim nail guns. Worked great right up to the moment it started leaking air around the piston. With a DeWalt Emglo, I thought that I was buying quality. I got less service out of it than I did a previous cheap one from Harbor Freight (about a quarter of the price). Motor still looks new, but won't hold air. Don't buy this one.
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a nice lite weight compressor perfect for any size trim job. Plenty of power to run a finish gun or pin nailer. I haven't had the compressor that long but I just installed 700' of baseboard and was quite satisfied the way it performed.
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Really liked the compressor at first. Used it very little and gave it excellent care. It quite working after about 12 hours of use. Dewalt will not help to diagnose the problem. Made in China not America like the other Emglo compressors. Dewalt service is non-existent. I am done with Dewalt tools because I have had similar problems with their cordless tools and portable planer as well. They have a nice paint job but are homeowner grade, not professional grade tools. They do have a professional price tag.
12 Comments 55 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Verified Purchase
I tested using a DEWALT 51238K nail gun; driving 1.5" 18 gauge brads through 1/2" MDF and into a moderately dense 2x2 as a test, about as fast as I cared to place them. The compressor had no problem feeding the gun; when the pressure did drop the tank recharged nicely, its not too loud. I'm very happy.

One minor initial annoyance: The tank charged perfectly after the break-in; but as soon as I turned the regulator to pressurise the main line, the all the air bleeds out from what feels like the back of the regulator knob, and line pressure is stuck at 0.

I searched for a solution online and didnt find anything; Rather than just return the unit I took the black faceplate off, charged the tank for a few seconds (10-20psi) and had a feel around as I turned the regulator - it appeared the air was coming directly from the base of the regulator knob; I discharged the tank, slipped a small flat blade under the retaining pin pushing it out, away from the barrel (you can see it as a shiny dot near the base of the knob) and fully unscrewed the knob.

Inside I find a grease covered spring, and under that a plastic valve cap; I gently lifted both out with a pair of needle nose pliers and it is immediately obvious why the valve is leaking - the O ring that is supposed to be around the base of the floating value is sitting loose in the bottom of the chamber.

To fix it: Extract the O-ring and check for damage, mine had none - so I wiped a little of the excess grease onto it and put it back onto the bottom of the plastic valve; put the value in the base of the barrel, put the spring back on top of the value; and the knob on top of the spring, and screwed it about halfway down.
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