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Oasis 12-Volt Continuous Duty Tankless Air Compressor

Oasis Manufacturing Air Compressors and Accessories
Model: XD4000-12
(Based on expert analysis, manufacturer ratings and customer reviews)

4.4 out of 54.4 out of 54.4 out of 54.4 out of 54.4 out of 5
11 Reviews
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Currently on Backorder Backordered
Estimated Availability
June 02, 2017
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Extended Warranty
Excludes CA

I understand this product is on backorder with an estimated ship date of June 02, 2017

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Contractor Grade Air Compressors
DC Compressors
CFM Rated @ 90 PSI
2.2-HP 12-Volt Air Compressor
Dual-ring, oil control pistons significantly reduce oil bypass into air supply
High-flow Swedish steel valves increase durability & performance

Powerful & Compact
Delivers 9 CFM at 50 PSI, 8 CFM at 100 PSI; 200 PSI maximum (150 PSI maximum restart pressure)
100% duty cycle when used at 200 PSI at 70F; 2160 watts at maximum load

Exclusive Forced Air, Motor & Compressor Cooling System
Deep finned heads and compressor body
Cooled by a 100 CFM fan built into housing shroud
An internal fan also cools the modified electric motor

Control Wire
Connection point for optional pressure switch and/or dash switch

Low Voltage Cut-off
Turns compressor off if voltage drops to protect motor

Air Filter
High-flow, long-life filter with serviceable element

Added Features
Heavy-Duty 10' of #4 AWG power cables
12 Volt DC
CFM Rated @
90 PSI
Pump Type
200 PSI
Oil Sight Glass
Oil Type
Oil Lubricated
Oil System
Splash Lubricated
Tank Included
Tank Outlet
3/8 Inch
65 Pounds
Product Length
21 Inches
Product Width
7 Inches
Product Height
11 Inches
Consumer Warranty
1 Year
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Oasis Manufacturing XD4000-12 Reviews & Ratings
11 Reviews  Sort by 
Steve, the Air Compressor Expert
Air Compressor Expert

Product Expert
Total Reviews
234 Reviews
Total Helpful Votes
3391 Helpful Votes
Air Compressors Direct Recommended

When only the best and most powerful will do, this made-in-USA unit tops the heap.

For comparison, many 12-volt units take almost a minute to fill a 5 gallon air tank from 120psi to 150psi; this unit takes only 11 seconds. Some folks use this for their air suspension systems; check out the video.

It's rated as Extended Duty because the manufacturer recommends 50-hour service intervals. The deep fins and cooling fan reduce heat and wear. The exclusive forced-air system cools the... more
Steve Recommends This Model
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Svein Berg
New York, NY
Most Helpful Critical Review
3 out of 53 out of 53 out of 53 out of 53 out of 5
Something Is Not Right
Mine have metal shavings when looking down inlet Hole. This can nor be right?
Its just installed and just ran a couple of minutes. Not impressed AS ive know another one who has this and the same with his. Its got oil. Was bled in the crank before use and all instructions is followed.
Steve, the Air Compressor Expert
Product Expert
This unit has a 1-year Factory Warranty that covers defects in materials and workmanship. Since you didn't get the unit from us I can't tell if you are still covered, but you can always give the folks at Oasis a call, toll free, at 888-966-2747 for advice on how to deal with the metal shavings & performance.

Please have the serial number if your compressor handy when you call Oasis in case they ask for it.
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East Greenwich, RI
5 out of 55 out of 55 out of 55 out of 55 out of 5
Oasis Is The Best
For field servicing of our pneumatic tools, we have found Oasis Air Compressors to be superior to anything that we have used in the past.

For reliability and serviceability there is no substitute for Oasis.
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Fort Worth, TX
5 out of 55 out of 55 out of 55 out of 55 out of 5
The Sheriff Has A New Deputy!
Look at how your compressors have helped us: it used to take us an average of 18 minutes to change a flat with a 4-way wrench.

With the compressor and impact wrench it takes us less than 7 minutes (start to finish). When you work on the highways with 60-plus mile per hour traffic this setup reduces our exposure to high speed traffic by 62%.

Talk about a safety story, not to mention that its less wear and tear on the body.
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Todd B.
Blaisdell, ND
Purchased from Air Compressors Direct
Purchased 11/21/14
5 out of 55 out of 55 out of 55 out of 55 out of 5
Air Compressor
We just finished putting our new service truck together, so far the compressor is everyyhing we expected & are very pleased. thank you, Todd Brown
Todd Recommends This Oasis Manufacturing Product
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Tim O.
Walterboro, SC
Total Helpful Votes
11 Helpful Votes
1 out of 51 out of 51 out of 51 out of 51 out of 5
Very let down, will not run a quarter inch impact except for a 3 second burst, in other words when the hose is out of air it's over. Must have a tank, it does not come with a pressure cut off switch. In other words it will blow the hose and keep pumping. You can buy better or just as good for half the price.
Steve, the Air Compressor Expert
Product Expert
We are sorry to hear of the issue with your Oasis product. Your best option would be to voice your concerns to Oasis directly. They can be reached at 888-966-2747.
Manufacturer Response
Brand Rep
I'm sorry you're having trouble with our compressor.

We've never tested our compressors with a 1/4" impact wrench, all our testing has been done with 1/2" impact wrenches. That said, our compressors will indeed do what no other dc powered compressors can do by a wide margin - run a 1/2" impact, without a tank, under the following conditions:

1. Use a high quality tool from a reputable manufacturer (ie: Ingersoll-Rand, Snap On, etc) that makes efficient use of air, meaning a low CFM consumption rate and a high torque output. Cheap tools will not work well in this application without a tank.

2. Make sure the compressor is getting adequate electrical power. The motor draws 150 amps while the compressor is running. Sure, that's a lot of power, but this is what it takes to get 8 cfm @ 100 psi out of a 12 volt dc compressor. In order to run properly, the electrical system needs to be healthy and configured properly. The less power the compressor gets, the slower the motor runs and therefore the less air it will deliver. Please contact me personally if in doubt, I will be happy to review your power system with you. My toll free number is 888-966-2747.

3. Yes, the trigger needs to be pulled in 2 to 3 second bursts for optimal results without a tank. The good news is you only have to wait 2 to 3 seconds before you can pull it again, and most lug nuts for example will come completely off in one burst.

Following these guidelines, we have tested our compressor using the Ingersoll-Rand IR231 and 2135TiMax 1/2" impact wrenches, with the consistent results of tightening eight 9/16" lug nuts to 150 ft/lbs of torque within one minute of operation. That's huge torque, a job done quickly, and without a tank! Please call me, and I will be happy to help you get the most out of our product. And if the performance still is not up to your liking, we will be happy to issue you a refund directly if you made your purchase within the last 30 days.
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Brandon W.
Wolfforth, TX
Purchased from Air Compressors Direct
Purchased 12/28/15
5 out of 55 out of 55 out of 55 out of 55 out of 5
Great Compressor & Fast Shipping
I got this compressor just a few days after ordering it. I have not used it a lot but it seems to work very well and is much quieter than I thought it would be. I used to have a gas powered unit on my flatbed truck and this is so much nicer. I mounted it in an underbody toolbox and have all my bed space back. I purchased an 8 gallon tank and mounted it under the bed.

The only complaint I have if you can even call it that is the power cables are ten feet long. Mounting the unit anywhere on a... more
Brandon Recommends This Oasis Manufacturing Product
Brandon's Experience With Air Compressors Direct
Web Site


"It was a painless order. I ordered online and got exactly what I ordered in just a few days. Could not have gone smoother."
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Barry P.
Texline, TX
Purchased from Air Compressors Direct
Purchased 2/7/16
5 out of 55 out of 55 out of 55 out of 55 out of 5
Good Air Compressor
I have it installed in my farm work pickup with a 3 gallon air tank. It will run a 1/2 inch impact to change sprinkler tires and bloiw out radiators and air up truck tires.

I could not do without it. This is our third one! it does not take up a lot of room like a gas powered one.

These are very durable compressors!
Barry Recommends This Oasis Manufacturing Product
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Visalia, CA
5 out of 55 out of 55 out of 55 out of 55 out of 5
Blows The Doors Off My Home Compressor
I bought this compressor for my mobile detailing company so we have enough air pressure to blow the water out of the nooks and crannies of the car after it has been washed.

I have my compressor hooked up to a 4.5 gallon tank and the pressure is set at 140 PSI. It only takes a minute to pressurized the tank from 0 to 140 psi.

We have even run an air ratchet off of the setup with no problems!

Yes its pricy, but for a mobile unit that runs off of 12v it blows the doors off my 120v 5hp... more
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Michael R.
Stratford, TX
Purchased from Air Compressors Direct
Purchased 1/14/16
4 out of 54 out of 54 out of 54 out of 54 out of 5
Won't run a half inch air impact without a tank like they claim but really nice nonetheless.
Michael Recommends This Oasis Manufacturing Product
Steve, the Air Compressor Expert
Product Expert
I checked our website and I'm sorry, we don't say anything about this compressor running an impact wrench. It would completely depend on the tool you're using, and how you're using it.

For example, the TL140200AV impact wrench is rated at 4.7 CFM at 90 PSI. This compressor is rated at 8 CFM at 90 PSI. That's a pretty good matchup since you always want extra CFM on the compressor side. Other impact wrenches may have different CFM demands and may not work at all.

However without a tank, the compressor will have to run continuously to keep up; it's not really the right tool for this job on a regular basis. In an off-road emergency repair it could be pretty useful.

If you're using an impact wrench to change out tires like a service truck you would really need a truck mounted air compressor to get the job done.
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Pat M.
Dyer, IN
Purchased from Air Compressors Direct
Purchased 4/18/11
5 out of 55 out of 55 out of 55 out of 55 out of 5
Works Very Good
Works very good...needs a lot of power.
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