The M18 FUEL™ 2 Gallon Compact Quiet Compressor has a 2-gallon tank size and total unit dimension of 16.25 in L x 10.625 in H x 18.625 in W. It uses a steel tank designed for durability and jobsite safety!
Milwaukee M18 FUEL Cordless 2-Gallon Quiet Portable Air Compressor, Model# 2840-20

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Shipping:
Backordered: Order now to reserve yours -
Estimated to ship 06/24/26
$19.99 Same DayStore Pickup:
1 in stock at Fredericksburg VA - Pickup in under 1 hr
- Compressor only; battery not included
- Quietest cordless compressor available at only 68dB(A)
- Easily carry design for less fatigue taking on and off the jobsite
- Single Turn Regulator
- POWERSTATE™ Brushless Motor delivers maximum power and long motor life
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Description
Key Specs
Reviews
Q & A
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Product Summary
What's Included
- (1) M18 FUEL™ 2 Gallon Compact Quiet Compressor (2840-20)
Downloads
Over 150 Tools, One Battery
- Focused on improving productivity for professionals in the trades, MILWAUKEE® offers more than 150 performance-driven solutions that are fully compatible with the M18™ family — the fastest growing 18V cordless system on the market.
- These tools stand alone, with patented technologies, innovative motors and advanced electronics powered by REDLITHIUM™ battery technology for unmatched run-time.
Performance-Driven M18™ Technology
- The MILWAUKEE® M18™ cordless system represents the ultimate synergy of professional grade power, light weight, extreme performance and superior ergonomics.
- Powered by REDLITHIUM™ battery technology for unmatched run-time, and coupled with patented technologies, innovative motors and advanced electronics, M18™ changes the game.
- Whether it's bringing cordless power to traditional corded products and manual activities or advances to fundamental tools, MILWAUKEE® drives to improve workplace productivity with user-driven innovations.
Shop With Confidence
- MILWAUKEE ® provides the best in heavy-duty electric power tools and accessories.
- Your purchase is protected with a 5-year limited warranty on cordless tools, a 2-year limited warranty on compact batteries, and a 3-year limited warranty on XC batteries.
- Shop in complete confidence, knowing that Northern Tool + Equipment protects your investment and is ready to provide you with the assistance and helpful resources you need.
Features + Benefits
- Compressor only; battery not included
- Quietest cordless compressor available at only 68dB(A)
- Easily carry design for less fatigue taking on and off the jobsite
- Single Turn Regulator
- POWERSTATE™ Brushless Motor delivers maximum power and long motor life
- M18 REDLITHIUM™ Battery Pack: Delivers more work per charge and more work over the life of the pack than competitors
- REDLINK PLUS intelligence: integrates full-circle communication between tool, battery and charger
- Up to 1,600 nails per charge
Key Specs
| Attribute | Specification |
|---|---|
item# | 99744 |
Brand | Milwaukee |
Manufacturer's Warranty | 3 year limited warranty |
Ship Weight | 36.2 LB |
Air Tank Size | 2 Gal |
Volts | 18 |
CFM at 90 PSI | 1.2 |
Max. PSI | 135 |
Air Outlets (qty.) | 1 |
| Attribute | Specification |
|---|---|
Working Pressure | 135 PSI |
Pump Material | Metal |
Air Outlet Size | 1/4 in. NPT |
Noise Level | 68 dB |
Oil Required | No |
Tank Fill Time | 1.5 min |
Tank Orientation | Horizontal |
Product Weight | 31.2500 lb |
Dimensions L x W x H (in.) | 16.25 x 18.625 x 10.625 in |
Reviews
Questions & Answers
Questions
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mohd wafiy· 3 months ago
Hi, what is the thickness for vessel tank?
1 answerOriginally posted on milwaukeetool.com-
Milwaukee Tool, Social Team· 3 months ago
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· 6 months ago
Is this an oilless compressor?
1 answer-
ProductExpert10· 6 months ago
Yes, the Milwaukee M18 Fuel 2 Gal Compact Quiet Compressor (Model 2840-20) is an oilless (oil-free) air compressor.
Helpful?
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· 2 years ago
can the m18 compressor run on 12volt dc ?
1 answer-
ProductExpert6· 2 years ago
The compressor can only run on an 18 volt Milwaukee DC battery. It could not run on 12 volt.
Helpful?
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· 3 years ago
Will this inflate a truck tire to 125 lbs?
1 answer-
ProductExpert6· 3 years ago
The air compressor is rated to a maximum of 135 PSI. It would be able to fill a truck tire to 100 PSI.
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· 3 years ago
Is it manufactured in america?
1 answer-
ProductExpert12· 3 years ago
This air compressor is manufactured in Mexico.
Helpful?
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· 4 years ago
What type of air hose will plug into this? Is there a certain style of quick coupler?
1 answer-
ProductExpert12· 4 years ago
This will use a standard air hose with a 1/4" quick connect coupler.
Helpful?
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· 4 years ago
What comes with the compressor
1 answer-
ProductExpert13· 4 years ago
This includes (1) M18 FUEL™ 2 Gallon Compact Quiet Compressor model (2840-20).
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· 4 years ago
Can it run roofing nail gun?
1 answer-
ProductExpert7· 4 years ago
This can provide a CFM of 1.2 at 90 PSI. You will need to check the CFM requirement for the air nail gun. This would be compatible with item 56472. It is a Milwaukee air-powered nail gun that only requires 0.16 CFM.
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· 4 years ago
IS THIS UNIT ALSO SUITABLE TO INFLATE TIRES
1 answer-
ProductExpert29· 4 years ago
This portable compressor can be used to inflate tires.
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· 4 years ago
Whats the NFPA rating? I need it to be intrinsically safe at Class I Division 2.
1 answer-
ProductExpert38· 4 years ago
The manual states this should not be used in explosive atmospheres, such as in the presence of flammable liquids, gases or dust. Power tools create sparks which may ignite the dust or fumes. An actual NFPA rating was not listed.
Helpful?
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Warranty
Manufacturer's Warranty
3 year limited warranty
Extend Your Warranty Coverage with a Northern Protection Plan (NPP)
Replacement Plan — 1 Year
A Northern Protection Plan is available after adding the product to your shopping cart.
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$399.00Shipping:
Backordered: Order now to reserve yours -
Estimated to ship 06/24/26
$19.99 Same DayStore Pickup:
1 in stock at Fredericksburg VA - Pickup in under 1 hr
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Specifications
2 Gal
-
0 Gal
18
12/24
12
1.2
0.43
-
135
120
150
1
1
1
135 PSI
120 PSI
150 PSI
Metal
-
-
1/4 in. NPT
-
-
68 dB
80 dB
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No
No
No
1.5 min
3 min
-
Horizontal
-
-
31.2500 lb
2.5500 lb
8.5500 lb
16.25 x 18.625 x 10.625 in
5.4 x 3.1 x 4.6 in
7.4 x 4.0 x 6.75 in
-
0.25 HP
0.25 HP
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10
-
-
9 %
-
-
0.60
-
-
-
Direct
-
-
Oil-Free
See All Portable Electric Air Compressors
See All Milwaukee Portable Electric Air Compressors
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