Dewalt Air Compressor D55155

The Dewalt Air Compressor D55155 is a compact and portable electric model intended for construction, automotive, and industrial applications. It operates using a 2.75 horsepower motor, features a 4-gallon tank, and is equipped with an oil-lubricated cast iron cylinder pump. This webpage provides detailed information and repair guidelines for this model.

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hums when I turn it on.

Hums and motor turns very easy but very slow. incoming voltage is 124v. after I turn switch on, voltage across both sets of contacts on contactor drops to aprox 40v.

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1 Comment:

@jeffreyarienks have you checked your motors run capacitor?

Mar 20, 2026 by oldturkey03

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Dewalt Air Compressor D55155

hums when I turn it on.

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