DEWALT D55146 Hand Carry Air Compressor 4.5 Gallon
- 4.5 gallon tank, 200 psi maximum
- 1.6 horsepower, 15 amps, 120 volts
- 5 CFM air flow
- 78 decibels listed noise
- Nailing recommended use
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A portable DeWalt air compressor with a high maximum pressure, a quieter running rating and nailing as its stated use. It is a heavy unit, and no accessories are included.
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ASIN: B000HZJLV2Model: D55146Category: Air Tools
Overview
A pump compresses air into a small tank until the pressure reaches the cutoff, and the motor then rests until the tank drops. Power comes from a normal household outlet, and the listing describes the unit as portable.
High maximum pressure and a quiet motor suit trim and finish work, where a nailer fires in short bursts. The limit is bulk and weight, since the unit is heavy for a portable one and arrives without a hose or fittings.
Who it's for
Finish carpenters and home workshop users who use air nailers and inflate tires. Buyers who run sanders or spray guns continuously should look at a larger tank.
Pros and cons
- High maximum pressure
- Quieter running rating
- Corded household power
- Suited to nailing
- Heavy to carry
- No accessories included
- Small tank for continuous tools
Performance notes
Tank size and air flow decide how often the motor restarts, and the high pressure ceiling gives nailers enough force to drive fasteners. Short bursts suit it well. Tools that draw air steadily will drain the tank quicker than the pump refills it.
Specifications
| Brand | DeWalt |
|---|---|
| Model | D55146 |
| Dimensions & fit | |
| Item Dimensions L X W X H | 28 x 24 x 16 inches |
| Item weight | 88 pounds |
| Capacity & performance | |
| Capacity | 4.5 gallons |
| Air Flow Capacity | 5 cubic feet per minute |
| Noise | 78 decibels |
| Power & efficiency | |
| Maximum Power | 1.6 horsepower |
| Voltage | 120 volts |
| Power Source | Corded Electric |
| Construction & materials | |
| Color | Black, Yellow |
| Material Type | Blend |
| Included components | |
| Included Components | No additional components or accessories |
| Unit Count | 1.0 Count |
| Other details | |
| Maximum Pressure | 200 psi |
| Recommended Uses For Product | Nailing |
| Maximum Current | 15 amps |
| Additional Features | Portable |
| Item Type Name | Compressor |
| Shape | Rectangular |
Closest rivals on specs
Makita MAC700 Big Bore Air Compressor 2.0 HP- Capacity 4.5 vs 2.6 gallons (+73%)
- Air Flow Capacity 5 vs 3.3 cubic feet per minute (+52%)
- Maximum Power 1.6 vs 2 horsepower (-20%)
California Air Tools 4620AC Ultra Quiet Air Compressor 4.6 Gallon- Capacity 4.5 vs 4 gallons (+13%)
- Maximum Power 1.6 vs 2 horsepower (-20%)
- Noise 78 vs 70 decibels (+11%)
Makita MAC2400 Big Bore Air Compressor 2.5 HP- Air Flow Capacity 5 vs 4.2 cubic feet per minute (+19%)
- Maximum Power 1.6 vs 2.5 horsepower (-36%)
Frequently asked questions
How big is the DeWalt D55146?
The listing gives 28 x 24 x 16 inches and 88 pounds.
Does the DeWalt D55146 come with a hose?
No. The listing says no additional components or accessories are included.
What is the DeWalt D55146 used for?
The listing names nailing as the recommended use.
How loud is the DeWalt D55146?
The listing gives 78 decibels.