Milwaukee M12 2475-20 Compact Inflator
- 0 to 120 PSI rating
- Under 1 minute to top off a car tire, 28 to 35 PSI
- Under 4 minutes to fill an LT truck tire, 30 to 45 PSI
- 26 inch hose with an all brass Schrader chuck
- +/- 3% gauge accuracy
- 50% duty cycle
- 3.5 pounds, 6.5 x 6.5 x 7.5 inches
- 5 year warranty on material and workmanship
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A cordless inflator with auto shut-off at a set pressure for anyone who tops off car and light truck tires away from an outlet. Battery and charger inclusion is not listed, so plan on supplying your own.
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ASIN: B07CTY3W98Category: Tire Air Compressors & Inflators
Overview
Milwaukee built this compact cordless inflator around a high efficiency pump and motor that run off a lithium-ion battery. Set a target on the backlit digital gauge, clamp the brass Schrader chuck to the valve, and the auto shut-off stops at that pressure.
Auto shut-off at a chosen pressure turns tire top-offs into a set-and-walk-away job, and a reinforced cage guards against weather and knocks. The listing does not say a battery or charger is included, and the duty cycle means long fill sessions need rest breaks.
Who it's for
Garages, job sites and roadside stops with no outlet close by get fast cordless top-offs with an automatic stop. Owners with no battery on this platform should plan for one or choose a corded unit.
Pros and cons
- Auto shut-off at the target pressure
- Backlit digital gauge shows target and current
- Reinforced cage resists impact and weather
- All brass Schrader chuck
- Battery and charger inclusion not listed
- Needs rest under its duty cycle
Performance notes
Fill time depends on tire volume and starting pressure, which is why a car tire top-off finishes much faster than a light truck fill. The auto shut-off senses fill speed to stop at the target, and the duty cycle limits how long it runs before a pause.
Specifications
| Brand | Milwaukee |
|---|---|
| Dimensions & fit | |
| Hose Length | 26 inches |
| Item weight | 3.5 pounds |
| Item Dimensions L x W x H | 6.5 × 6.5 × 7.5 inches |
| Capacity & performance | |
| Duty cycle | 50% |
| Power & efficiency | |
| Power Source | Corded Electric |
| Battery type | Lithium-Ion |
| Warranty & support | |
| Manufacturer Warranty Description | 5 years |
| Other details | |
| Maximum Pressure | 0 to 120 PSI |
| Chuck type | All Brass Schrader |
| Gauge accuracy | +/- 3% |
| Operation mode | Automatic |
| Car tire top off | Under 1 minute (28 to 35 PSI) |
| Lt truck tire fill | Under 4 minutes (30 to 45 PSI) |
Frequently asked questions
How do I keep the Milwaukee 2475-20 from overheating?
Respect the listed 50% duty cycle and let it rest between long fills. The description also says TrueFill auto shut-off protects against over-temperature and overfill.
How do I set the target pressure on the Milwaukee M12 inflator?
The illuminated digital gauge shows both target and current pressure, and the auto shut-off stops at the desired PSI. The listing does not detail the button steps.
Can the Milwaukee M12 inflator fill equipment tires?
The description says it can handle car, LT truck and compact equipment tires.