Are you considering switching from traditional air tools to electric ones? The transition can be complex, especially when brand loyalty and ecosystem compatibility come into play. Choosing a power tool today means investing in a brand’s entire system, from battery technology to the range and quality of available tools. For Milwaukee users, the M18 inflator presents an interesting proposition. But is this battery-operated inflator worth the investment, particularly when compared to traditional air compressors and considering tools like an Air Pump Car Break In Tool for specialized access needs?
Is the Milwaukee M18 inflator a worthy addition to your toolkit? Especially if you’re already invested in the M18 system, this inflator offers cordless convenience for tire maintenance.
My Tool Ecosystem: Why Milwaukee?
To provide context for this review, it’s important to understand my existing tool setup and how I use them. Like many mechanics transitioning to cordless, I’ve gradually moved to electric tools over the years, while still retaining a collection of reliable air tools. This phased approach allowed me to invest in higher-quality electric tools over time, rather than making a large, immediate switch. After evaluating various brands, I settled on Milwaukee’s M18 system. The M18 line is popular among automotive professionals for its robust performance and versatility, perfectly aligning with the demands of typical shop tasks.
I’ve been consistently impressed with my Milwaukee drill and while my impact driver is good, the real standout has been the ecosystem integration. The shop speaker, powered by the same M18 batteries, is invaluable for both work and leisure. With a few batteries and a charger, I can seamlessly power my tools without downtime. The quality of the bare tools has been consistently high, and the convenience of expanding within a single battery system is undeniable. Being already invested in the Milwaukee ecosystem made the M18 inflator a natural addition, allowing me to utilize my existing batteries and charger.
Milwaukee M18 Inflator: A Quick Review
Released in February 2022, the Milwaukee M18 inflator was touted as the fastest 18V cordless inflator on the market. Detailed specifications and information can be found on Milwaukee’s website, somewhat surprisingly categorized under “Plumbing Installation.” Despite the unusual categorization, the tool itself is straightforward: insert an M18 battery, and you’re ready to inflate.
Priced consistently around $179 for the bare tool across major retailers like Home Depot, Northern Tool, and Amazon, it’s clear Milwaukee maintains a minimum advertised price policy.
The digital display of the Milwaukee M18 inflator is clear, intuitive, and easy to read, providing essential information at a glance during operation.
Having previously used the M12 version, Milwaukee’s entry-level cordless inflator, I was already convinced of the platform’s potential and eager to test the heavier-duty M18 model. A standout feature is the preset inflation capability. You can program a target pressure, and the inflator automatically stops once it’s reached. Furthermore, it allows you to store frequently used pressures as presets for quick access – a boon for maintaining consistent tire pressures. In my experience, the M18 inflator is both fast and efficient, capable of reaching at least 100 PSI. While it’s rated for higher pressures, I haven’t yet needed to push it to its maximum limit.
The inclusion of a Presta valve adapter suggests Milwaukee considered users beyond just automotive applications, perhaps targeting bicycle mechanics as well. The kit also includes a needle for sports balls and a nozzle for inflatable toys. While these are less relevant for an automotive focus, they add to the tool’s overall versatility.
M18 batteries provide ample power for the inflator. Even used batteries efficiently handled multiple inflation tasks on a single charge, showcasing the tool’s energy efficiency.
The M18 inflator has consistently performed as expected, effortlessly inflating various tires. Battery drain is minimal, even when topping off multiple tires in a single session. The tool operates smoothly and feels robust, suggesting good durability with reasonable care.
There are minor points to consider. The integrated hose uses a brass screw-on Schrader chuck, which might not be ideal for everyone. While I use 90° adapters and extensions for tight spaces, others might find the chuck limiting. The plastic Presta adapter seems less durable, but brass replacements are readily available and likely already owned by those frequently dealing with Presta valves. The “cubby” storage under the battery is a nice addition, but its open front and limited size make it less practical for larger batteries or securing small items during transport. Overall, the M18 inflator lives up to its performance claims, with one notable drawback discussed below.
The included accessories, while functional, might be upgraded by users seeking higher quality or specialized adapters for specific inflation needs.
Practical Applications: Who Benefits Most?
For homeowners without a garage air compressor, this inflator is a game-changer. However, for professional automotive shops with existing air compressor systems, the value proposition of the M18 inflator becomes more nuanced. In a traditional shop setting, where compressed air is readily available, this tool might seem redundant. It’s not designed to replace an air pump car break in tool or heavy-duty air tools for shop tasks.
However, there are several scenarios where the M18 inflator shines:
Mobile Mechanics and Roadside Assistance: While mobile mechanics might have truck-mounted compressors, the M18 inflator offers a lighter (7 lbs without battery), more compact, and maintenance-free alternative. For tire-centric service calls, it can be a significant time and space saver.
Agriculture and Heavy Equipment Maintenance: Dealing with flat tires on tractors or large equipment in remote fields is a common challenge. The M18 inflator simplifies tire inflation in situations where accessing a traditional compressor is impractical. Unlike an air pump car break in tool, this inflator is designed for tire inflation, not vehicle entry.
The cordless nature of the Milwaukee inflator makes it ideal for tasks away from the shop, such as trailer maintenance in remote locations or fields, offering unparalleled convenience.
Shops Servicing Large Vehicles Outdoors: For shops working on vehicles too large to fit inside, especially in inclement weather, the M18 inflator provides a convenient solution for tire work without dragging hoses or compressors outside.
Off-Road Enthusiasts: Traditional off-road inflation kits often rely on CO2 cartridges, which require replenishment and can lead to tire pressure inconsistencies due to CO2 diffusion. The M18 inflator offers a superior solution for airing tires back up after off-roading, providing consistent air pressure without the need for consumables. It’s far more practical than relying on cigarette lighter inflators, especially for larger tires.
Fleet Management (Commercial and Personal): Managing vehicle fleets, whether professionally or personally, involves regular maintenance, including tire pressure checks. The M18 inflator streamlines this task, eliminating the need for cords, hoses, and bulky compressors, making routine fleet maintenance far more efficient. For personal fleets, it’s incredibly convenient for maintaining tire pressures across multiple vehicles without the hassle of setting up a traditional air compressor system.
The Milwaukee M18 inflator isn’t a universal replacement for all air tools, nor is it intended to be used as an air pump car break in tool. However, for specific applications requiring portability, convenience, and compatibility with the Milwaukee M18 battery system, it’s a valuable addition. While the price point might seem high, the long-term convenience and potential lifespan of the tool justify the investment, especially for those already invested in the M18 ecosystem. Assuming it delivers years of reliable service, the initial cost becomes less of a concern.
Milwaukee M18 Inflator Specifications:
| Part number | 2848-20 |
|---|---|
| Battery voltage | 18V |
| Claimed dimensions | 13.8”L x 6.4”W x 7.8”H |
| Claimed weight (tool only) | 7lbs |
| Hose length | 36 in. |
| Claimed accuracy compared w/ standard gauge | +/- 1 PSI |
| Rated fill range | 0-150 PSI |
| SCFM at 0 PSI | 1.41 |
| Warranty | 5 years on tool |
| Included with inflator | 1 inflation needle, 1 inflator nozzle, 1 Presta chuck, and 1 Schrader chuck |
