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Milwaukee M18 Air Compressors & Inflators

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    Milwaukee Hose Assembly 14-37-0123
    SKU: 14-37-0123
    $5574
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    Milwaukee M18 Cordless Tire Inflator w/ M18 18-Volt Lithium-Ion High Output Starter Kit
    SKU: KIT-2848-20-48-59-1862S
    $55719
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Milwaukee M18 Air Compressors & Inflators: High-Performance Cordless Air

Milwaukee M18™ air compressors and tire inflators provide heavy-duty pneumatic power and rapid inflation completely decoupled from a wall outlet. Built around the industry-leading M18 battery ecosystem, these tools are designed to streamline fleet maintenance, jobsite punch lists, and emergency roadside service. Whether you are running a trim nailer on a remote remodel or airing up heavy commercial truck tires, Milwaukee's portable air solutions eliminate the setup time and hassle of traditional gas or corded setups. At Ohio Power Tool, we stock the full line of M18 inflation and pneumatic tools to keep your equipment moving forward.

M18 FUEL™ Quiet Compressor: Jobsite Pneumatics Redefined

For finish carpenters, remodelers, and service technicians, the M18 FUEL™ 2-Gallon Compact Quiet Compressor (2840-20) delivers all-day performance without the deafening roar of standard units. Powered by a POWERSTATE™ brushless motor, this unit keeps workspace noise to an absolute minimum while providing professional pneumatic utility:

  • Whisper-Quiet Operation: Running at a mere 68 dBA, this compressor allows for normal conversation in occupied indoor spaces, making it ideal for hospital, school, or residential maintenance.
  • Rapid Recovery: Delivering 1.2 CFM at 90 PSI and a 135 max PSI rating, it supplies consistent pressure to comfortably fire up to 1,600 brad nails per charge using an M18 High Output™ battery.
  • Lightweight Portability: Weighing only 31.2 lbs and designed with a roll-cage suitcase frame, it easily seats into a service truck or a PACKOUT™ stack.

M18 Tire Inflator: Unmatched Speed for Heavy Duties

The M18™ Cordless Tire Inflator (2848-20) is engineered specifically to tackle high-pressure applications like light truck, commercial, and agricultural tires. Featuring **TrueFill™ Auto-Shutoff Technology**, you simply set your target pressure, connect the brass chuck, and let the tool do the work—the unit automatically checks pressure mid-cycle and stops exactly at your designated PSI to prevent over-inflation.

Central Ohio’s Headquarters for Milwaukee Fleet Tools

Ohio Power Tool is an authorized Milwaukee distributor serving Central Ohio's construction fleets, landscape yards, and local municipality maintenance crews. We maintain a large stock of standalone bare tools, high-capacity starter kits, and essential pneumatic hoses and couplers at our Columbus showroom for immediate same-day pickup. Our experienced team can help equip your work trucks with the exact setup required for maximum downtime protection. Stop by our retail showroom today or order online for fast, reliable nationwide shipping.

Optimize your mobile garage setup by pairing these tools with our Milwaukee impact wrenches and M18 high-output utility lighting.

Frequently Asked Questions: M18 Air Compressors & Inflators

What is the difference between the M18 Air Compressor and the M18 Inflator?
The M18 FUEL 2-Gallon Compressor (2840-20) holds pressurized air in a storage tank to power air tools like finish nailers, staplers, or air brushes. The M18 Inflator (2848-20) does not have a tank; it continuously pumps air directly into an object, making it optimized specifically for tires, sports balls, and equipment suspension bladders.
Can the M18 FUEL 2-Gallon Air Compressor run a framing nailer?
While it can technically fire a few framing nails, it is not recommended for high-volume framing or roofing. Because framing nailers consume a large volume of air per shot, the compressor’s 1.2 CFM pump will struggle to maintain pressure during rapid firing. It is optimized for 15, 16, and 18-gauge trim or finish carpentry nailers.
How fast can the M18 Inflator top off a commercial truck tire?
The M18 Inflator is highly efficient, capable of topping off a heavy-duty LT truck tire (33" to 35") from 45 to 65 PSI in under 1 minute. For massive semi-truck tires (like a 295/75R22.5), it can fill a tire from flat to 100 PSI in roughly 4 minutes.
What does TrueFill™ Auto-Shutoff Technology do on the M18 Inflator?
Standard inflators read high pressure while pumping air because of backpressure in the hose. Milwaukee's TrueFill™ technology automatically pauses pumping momentarily during the cycle to read the true static pressure inside the tire, stopping automatically when your precise targeted PSI is met.
Does the M18 FUEL Air Compressor require oil maintenance?
No. The M18 FUEL 2-Gallon Air Compressor uses an oil-free pump mechanism. This completely eliminates the need for routine oil checks, prevents messy oil spills in your vehicle during transport, and ensures clean operation even in freezing temperatures.
How many tire fills can I get out of a single battery charge?
When paired with a high-capacity M18 High Output™ XC6.0 or HD12.0 battery, the M18 Inflator can easily top off up to 30 light truck tires or completely fill several completely flat passenger car tires on a single charge.
Can I use the M18 Inflator to deflate an object?
No, the M18 Inflator (2848-20) is a high-pressure unit that only pushes air out. It does not have a vacuum or high-volume deflation port. To let air out, you must manually depress the tire valve stem core.
How often do I need to drain the tank on the 2-Gallon Air Compressor?
You should drain the tank using the quick-turn drain valve at the bottom of the unit after every day of use. Atmospheric air contains humidity, which condenses into liquid water inside the steel tank under pressure. Draining it prevents internal corrosion and preserves the tank's volume capacity.
Can the M18 Inflator overheat during long filling cycles?
The M18 Inflator features an internal thermal protection system and a highly efficient cooling fan. It is rated for a 50% duty cycle (meaning 20 minutes of continuous running followed by 20 minutes of rest) to protect the internal reciprocating motor components under maximum pressure load.
Where can I buy replacement hoses or chucks for my Milwaukee Inflator in Columbus?
Ohio Power Tool stocks genuine Milwaukee service accessories and replacement parts. The M18 Inflator features a durable 36" rubber hose with an all-brass chuck, but we also carry quick-connect adapters and pressure gauges in our Columbus showroom if you want to modify your layout.