Plain Buy Guides

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Trim compressor buying guide

Air compressor for brad and finish nailers: pressure first, then airflow

Of these two oil-free 120 V compressors, the 135 psi Makita MAC320Q fits the listed compressor-rating limit in DEWALT's DWFP12231 brad-nailer manual. The smaller, lighter DEWALT DWFP55130 reaches 200 psi and is not a choice for that nailer or Metabo HPT's NT65M2(S). Start with your exact nailer's supply-pressure rules; a lower regulator setting does not erase them.

Published October 7, 2026. Manufacturer documents and exact listings checked October 7. Based on published sources, not hands-on nailing, noise or recovery tests.

Two compressors for different supply requirements

If your existing compressor already meets the nailer's pressure, airflow, duty-cycle and connection requirements, buying another may add nothing. These are conditional equipment choices, not a guarantee that either keeps up with every trim crew.

Check the nailer's permitted supply pressure before choosing by size or weight.
Your requirementModel to considerUseful differenceCheck or skip
A nailer with a 175 psi compressor-rating limit, such as DWFP12231Makita MAC320Q3 gal; 105 psi cut-in / 135 psi cut-out; 2.6 SCFM at 90 psi.52.5 lb. The rating passes that one limit; regulated pressure, regulator-failure protection and airflow still need to meet the nailer's manual.
A nailer whose manual permits this 200 psi supply and its higher safety-valve settingDEWALT DWFP551302.5 gal; 165 psi cut-in / 200 psi cut-out; 3.0 SCFM at 90 psi; 36 lb.Skip it for DWFP12231 and NT65M2(S). Its two air outlets do not prove enough sustained air for two nailers.

Tank pressure and nailer operating pressure are different limits

DWFP12231: DEWALT gives a 70–120 psi operating range and prohibits connecting the nailer to a compressor rated over 175 psi. It also requires the pressure at the tool never to exceed 175 psi, even if the regulator fails. The MAC320Q's 135 psi compressor rating fits the first rule; the tool must still be regulated within its operating range and the whole supply setup must satisfy the failure rule. We have not tested that setup.

NT65M2(S): the finish-nailer manual gives 70–120 psi and prohibits a supply that could exceed 200 psi. The DWFP55130 stops pumping at about 200 psi, but its manual says the safety valve is set above that cut-out pressure. We therefore do not pair it with this nailer. Turning the outlet down to 90 psi does not change what the compressor can potentially produce.

Read the exact nailer's manual and rating plate, including its compressor or potential-supply limit. If that information is missing or conflicts, confirm it with the manufacturer before buying the air supply. Do not change safety valves or pressure switches to make a prohibited pairing work. The Metabo manual currently linked by its maker is an older Hitachi-branded NT65M2(S) edition.

Size the air supply for pressure, firing pace and rest time

Both compressor manuals give air delivery at 90 psi: Makita lists 2.6 SCFM; DEWALT lists 3.0 SCFM, tested under ISO 1217. These describe delivery at a stated pressure, not the largest tank pressure or the air needed by every nailer.

The NT65M2(S) manual provides per-cycle consumption and a sizing formula. For one nailer averaging 30 nails per minute at 100 psi, its formula gives 1 × 30 × 0.042 × 1.2 = 1.512 CFM. That is our arithmetic for the stated pace and pressure. It is not a measured result or a direct capacity match to either compressor's SCFM rating at 90 psi. More nailers, faster firing or another operating pressure changes the requirement.

The DWFP12231 table labels its consumption per 100 cycles but prints the unit as 2.83 cfm at 80 psi. We do not convert that into cubic feet per 100 nails or use it as a same-pressure comparison with the compressor ratings. Its sizing chart does not identify either compressor here, so it does not establish that either will support rapid production.

Keep the duty-cycle limit separate. Makita recommends no more than 50% pumping time over an hour and calls greater use an undersized application. DEWALT recommends a 50% average duty cycle, no more than five minutes of pumping in any ten. A tank buffers bursts; it does not create continuous pump capacity. For prolonged or multi-tool work, choose from the actual tool demand and required duty cycle rather than these small tanks alone.

What the exact models include and change

Makita MAC320Q: lower rated tank pressure, heavier to carry

The MAC320Q has a 3-gallon tank, 2.6 SCFM at 90 psi, a 105 psi cut-in and 135 psi cut-out. Its oil-less pump runs at 1,750 rpm. The manual lists a 52.5 lb weight and dimensions of 18 inches long, 19 inches wide and 13¾ inches high. It requires 120 V and a 15 A minimum circuit; use the actual unit's rating plate for its amperage.

Makita lists 60 dB on its product page and 60 dBA in the overview, without giving a test method. DEWALT reports 71.5 dBA sound pressure under ISO 3744, with 3.4 dBA uncertainty. Those are different published descriptions, not a controlled comparison proving the Makita is quieter in your room.

Included: two universal ¼-inch quick couplers, part 447013-E. Makita calls that part “Male”; its pictured threaded end is male, while its quick-connect body accepts a plug. The part page states that it connects hoses using ¼-inch automotive or industrial fittings. Do not mistake this wording for two loose male air plugs. No hose is itemized in the compressor's includes list.

Choose it when its 135 psi rating, connection and actual air-delivery requirements suit your nailer. Skip it if 52.5 lb is too much to carry or your required sustained demand exceeds its delivery and duty-cycle limits. A lower pressure rating alone is not approval for every nailer.

Check the Makita MAC320Q compressor on Amazon

DEWALT DWFP55130: lighter, with a 200 psi tank limit

The DWFP55130 has a 2.5-gallon tank, 3.0 SCFM at 90 psi and approximately 165 / 200 psi cut-in / cut-out settings. Its regulated outlet range is approximately 3–150 psi. DEWALT's product page gives a 36 lb weight and 12 A draw; the manual specifies 120 V and a 15 A minimum branch circuit, subject to the conditions below. The maker permits vertical or horizontal operation and storage.

Included: two attached air couplers and the manual. The product page calls the couplers universal; the manual describes ¼-inch industrial quick-connect bodies accepting industrial plugs. These descriptions do not establish every possible fitting's compatibility. Confirm the actual connection on the supplied unit and hose. No air hose is itemized.

Choose it when your exact nailer permits this supply, including the safety valve's setting above 200 psi, and the lighter unit meets your airflow and duty-cycle needs. Skip it for DWFP12231 or NT65M2(S). Two outlets mean two connection points, not proof of two-tool production capacity.

Check the DEWALT DWFP55130 compressor on Amazon

Warranty: DEWALT's page and compressor manual give a one-year limited warranty, with exclusions. Makita's MAC320Q page displays a one-year warranty logo, and its current U.S. general-product terms give one year for workmanship/material defects, subject to exclusions. Its shared compressor manual refers to a separate warranty sheet. Check the supplied terms and your location; a nailer's longer warranty does not transfer to its compressor. Accessories, misuse and normal wear have separate coverage limits.

Budget for the hose, compatible fittings and power supply

Choosing the nailer first? Our brad nailer vs finish nailer guide separates fastener size from air or battery setup. The nailer model guides cover exact tool packages. Neither compressor here includes a nailer or a complete hose/tool setup.

Common buying questions

Can I use a 200 psi compressor with a brad nailer?

Only if the exact nailer's manual permits that supply and the complete setup meets its pressure rules. DEWALT prohibits a compressor rated over 175 psi for DWFP12231. We also do not pair DWFP55130 with NT65M2(S), which prohibits a supply that could exceed 200 psi: the compressor's safety valve is set above its 200 psi cut-out. Lowering the regulator does not erase these limits.

Is a larger tank enough to run two nailers?

No. Add the actual tools' air demand at the required pressure and firing pace, then check pump delivery, duty cycle and supply compatibility. Two couplers only provide two connection points. Neither model here is qualified by this guide for sustained two-nailer production.

Does an oil-free compressor mean my nailer needs no oil?

No. The compressor pump and nailer have separate lubrication requirements. The NT65M2(S) manual calls for the specified pneumatic-tool lubricant and an air-treatment arrangement. Follow the exact nailer manual; do not copy that routine to a model requiring different care.

Do these compressor listings include an air hose?

Neither maker's itemized includes list names one. Makita lists two universal quick couplers, part 447013-E; DEWALT lists two attached air couplers and the manual. Confirm the actual listing and package before ordering a hose, fittings or other extras.

Sources and buying limits

On October 7, 2026, both selected New listings were orderable and sold by Amazon.com; Makita showed limited stock. Seller, availability and contents can change. Confirm MAC320Q or DWFP55130 on the current listing rather than choosing a similarly named kit.

These sources establish published specifications and restrictions, not measured recovery time, noise in your room or sustained nailing performance. No current-price, lowest-cost or universal compatibility claim is made.