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DeWALT 1.9 RHP 30 Gallon Vertical Portable Air Compressor

SKU: 119633699
DeWALT 1.9 RHP 30 Gallon Vertical Portable Air Compressor
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Product Rating is 4.5


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Item Information

The direct-drive DeWALT 30 Gallon ASME Vertical Portable Air Compressor is low-maintenance with no oil to add or change and no belts to tighten. This compressor features a long-lasting 1.9 RHP induction motor for maximum performance and reliability.

  • Patented pump design provides the highest CFM output for direct-drive class of compressors
  • Industry leading 155 (max.) PSI, 7.7 CFM @ 40 PSI and 6.0 CFM @ 90 PSI
  • Equipped with a high flow regulator which provides maximum air flow for peak tool performance
  • 2 year limited pump warranty; 1 year all other components

Note: This product may require up to 2 additional days for order processing prior to shipping

Specification Description
Drain System: Manual
Maximum Pressure: 155 PSI
Product Height: 51-1/4 in.
Product Width: 24 in.
CFM @ 40 PSI: 7.7
Warranty: 2-Year Limited
CFM @ 90 PSI: 6
Power Type: Electric
Air Outlet Size: 3/8 in.
Tank Size: 30 gal.
Portable or Stationary: Portable
Phase: Single
Product Weight: 130 lb.
Grade: Consumer
Amps: 15 A
Pump Type: Cast Iron
Product Length: 24-3/4 in.
Brand: DeWALT
Tank Type: Vertical
Magnetic Starter: No
Running HP: 1.9 HP
Manufacturer Part Number DXCMLA1983012
DeWALT 1.9 RHP 30 Gallon Vertical Portable Air Compressor is rated 4.5 out of 5 by 11.
Rated 5 out of 5 by from Great 110v Compressor Since I never got around to running 220v out to my garage I decided to buy a 110v air compressor. I knew that this DeWalt didn’t have enough volume to properly run my Chicago Pneumatic cutoff tool (needing 8.5 cfm) but I was pleasantly surprised to find that it will run it adequately, just not at 100%. My former, used, 1 HP compressor that someone gave me barely ran the cutoff tool at all, but the DeWalt does it rather well. The tank fills to 155 psi and I have the line pressure set at 90 psi and while using the cutoff tool continuously the line pressure never drops below 90 and the tank never drops below 115. After I did the break in procedure I tested the cutoff tool on some scrap steel I had and was very pleased that I could cut through it without any problems – just not quite as quickly as if it were running on an industrial compressor like the one I grew up with at my dad’s. This is a huge improvement over the old compressor, with which I would only be able to cut for ten seconds or so and then I had to stop to wait for the compressor to catch up. Not any more – this DeWalt has no problem keeping up and I’m very impressed for a 110v compressor. If I had a commercial garage this compressor wouldn’t be sufficient, but since I use my cutoff tool about ten times a year, this does the job just fine. The DeWalt fills my tractor’s rear 48” tires in no time at all, and I can now fill the front 10-ply tire to 100 psi without any problems. The only thing that isn’t ‘perfect’ is the moisture drain on the bottom of the tank – while I can get my hand under it there isn’t sufficient room to actually turn it as it sits. In order to actually get the drain open I put one of the compressor’s legs on a wheel of my floor jack and that gives me enough room to open it. That isn’t really a big deal, but when doing so you want to be sure it’s sitting securely so it doesn’t drop on your hand, as that would most likely hurt pretty badly. I should also note that I swapped out the ¼” T Quick Disconnect fitting that it came with for a 3/8” T Quick Disconnect, as everything I already had is 3/8”. This compressor is loud, and when I mentioned that to my wife before I bought it she said “all air compressors are loud.” That’s pretty much true, and even if I were to have gotten a quiet one air tools are loud enough to require ear plugs anyway. For me the fact that it’s loud is a plus, as there is no chance now that I will use it without ear plugs in, which is how I should do it at all times anyway (as a kid I was never advised to wear ear plugs, and I probably lost a bit of hearing using air tools with my dad’s compressor). I’ve had no problems with this compressor, it works fine and it wasn’t so heavy that I couldn’t bring it home and get it off my truck without problems. It’s portability is very convenient, and the motor and pump are totally enclosed so that even a dope like me can’t lose any fingers by being careless. In my opinion, for a 110v, 4.7 cfm compressor this 1.9 HP DeWalt is hard to beat.
Date published: 2018-12-21
Rated 5 out of 5 by from Works great, states quickly Great tool! Have used it a number of times in the last few weeks! Great power Happy I bought it!
Date published: 2018-12-12
Rated 3 out of 5 by from Works great but LOUD! We purchased this for light duty and high volume out put in our development lab wher it works great. We picked this one because it was spec'd to be quieter than most which it is not. We measured 95dB at the compressor location, measured 80dB in the room and 65dB on the other side of a solid wood door.
Date published: 2017-03-02
Rated 5 out of 5 by from Dewalt Air Compressor Only had it a few days. Seems to have plenty of output. Supposed to come with a manual. Had to call the company for it. They emailed a link and will be mailing one soon.
Date published: 2016-10-06
Rated 2 out of 5 by from Unbelievably loud I have had this compressor for about a month. It has provided all the air pressure I need to run my tools. But it is so loud that at times it's unbearable. If you have to have this compressor in the same room that you are working I would strongly suggest, that you not purchase this compressor.
Date published: 2016-09-27
Rated 5 out of 5 by from Great compressor Great compressor. Would order again should I need another compressor.
Date published: 2016-06-29
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what is the life expectancy of the pump in hours?

Asked by: Ict15bml
Thank you for your interest of the DEWALT 30 gallon air compressor. To answer your question, the life expectancy of the compressor pump depends on the environment you are operating the compressor within. For example, pump life will be extended if you operate the compressor in a clean environment and follow recommended maintenance (i.e. drain the tank). If the environment is not clean and is operated in a dusty/dirty environment, operated in a high humid environment, the life expectancy of the pump will be less. Please contact MAT Customer Care @ (888) 895-4549 as we would like to better understand your work environment to better answer your question.
Answered by: Dewalt Team
Date published: 2019-02-09

Does this model run on 115VAC or does it require 220V?

Asked by: Tim7
Per DeWALT: The DEWALT 30 Gal. Air Compressor runs on 115V AC.
Answered by: TSCJenny
Date published: 2017-08-23

Is this a 100% duty cycle compressor?

Asked by: Centexfinest
The oil free units can run at 100% however, doing so reduces the overall life of the compressor. We recommend between 50% and 75% duty cycle for our oil-free compressor.
Answered by: SBD_Product Expert
Date published: 2018-06-15

Want to use for multiple purposes, primarily cut-off, grinding, sanding and painting. Although not intended for daily use but for the above purposes w/ attachments rated within PSI and CFM ranges, will this do the job?

Asked by: Dan B M
The cut off tool, grinders & sanders are continuously operating air tools and as such require quite a bit of air. So if used in a daily application, a larger tank such as a 60 or 80 gallon would be necessary so you have an adequate air supply. If it is to be used strictly for an occasional small project, this unit should work but you may need to wait for the compressor to pump back up occasionally - again due to the grinders & sanders needing quite a bit of air.
Answered by: Dewalt Team
Date published: 2018-06-14

What is the decible noise rating of this compressor?

Asked by: Donzi
The Decibel Rating (Outdoor) is 85 DBA.
Answered by: SBD_Product Expert
Date published: 2019-06-04

What is the required electrical outlet

Asked by: TerryNY
This unit is rated at 115 volt, 15 amp standard household current. If you are using fuses, be sure they are time delay fuses. It is best that nothing else be plugged into this same circuit, as an induction air compressor motor will draw a good deal of current upon start up. Use of an extension cord is not recommended.
Answered by: Dewalt Team
Date published: 2019-06-05

Will this compressor supply 5 CFM @ 110 PSI?

Asked by: ndst
No, the compressor is able to do 6.0SCFM @ 90PSI.
Answered by: TSCJenny
Date published: 2019-04-18

Will this run 100% duty cycle?

Asked by: Centexfinest
The oil free units can run at 100% however, doing so reduces the overall life of the compressor. We recommend between 50% and 75% duty cycle for our oil-free compressor.
Answered by: SBD_Product Expert
Date published: 2019-06-08
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