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DEWALT® 4.5 Gal Quiet 2 Stage Oil Free Air Compressor

Model number
DXCMS20045US

The DXCMS20045US is a DEWALT 4.5-gallon quiet 2-stage oil-free air compressor designed for ultra-low noise indoor use. Delivering 5 CFM at 90 PSI, the 2-stage pump provides quick recovery times and consistent air pressure. The oil-free design requires no fluid maintenance and the quiet operation expands the number of environments where it can be used safely.

identifiers stable · addressable
Model no.
DXCMS20045US
Brand
DEWALT
Category
Compressor
Canonical URL
/dewalt/compressor/dxcms20045us-dewalt-45-gal-quiet-2-stage-oil-free-air-compressor/
Official page dewalt.com →
12 spec rows · each row is anchorable

§ Specifications

#specifications
Product Type
Air Compressor
Power Source
Corded Electric
Cordless / Corded
Corded
Tank Size Gal
4.5
Max Psi
200
Cfm At 90psi
5
Pump Type
Oil-Free
Pump Stages
2
Weight (lbs)
98
Country of Origin
China
Barcode (UPC)
Warranty
1-year limited

§ What's Included

01 (1) DXCMS20045US Air Compressor

§ Warranty

1-year limited

§ FAQ

What makes the DXCMS20045US quiet?

The DXCMS20045US uses a 2-stage oil-free pump designed specifically for ultra-low noise output. The quiet operation allows it to be used in indoor environments such as finish carpentry shops, recording studios, and residential areas where loud compressors would be disruptive.

Does the DXCMS20045US require oil maintenance?

No. The DXCMS20045US is oil-free, which eliminates any fluid checking, changing, or disposal requirements.

What CFM does the DXCMS20045US produce?

The DXCMS20045US delivers 5 CFM at 90 PSI, which supports finish nailers, brad nailers, trim tools, and light-duty spray applications with quick recovery times.

Why does a 4.5-gallon tank use a 2-stage pump?

The 2-stage design compresses air in two steps to achieve higher pressure more efficiently and quietly than a single-stage pump would at equivalent output. This allows the small tank to recharge quickly without the noise of a high-speed single-stage motor.

How does the DXCMS20045US compare to a standard pancake compressor?

The DXCMS20045US is significantly quieter than a standard single-stage pancake compressor and produces more CFM than most compact pancake units. The 4.5-gallon tank is larger than typical 1-2 gallon pancakes, giving more reserve air for sustained tool operation.