Harbor Freight Tools


5 Gallon 225 PSI High Performance Wheeled Jobsite Air Compressor

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This high performance air compressor delivers up to 250% more runtime than other compressors in its class.*

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DEWALT D55146 at $419 Save $19.01

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This FORTRESS® 225 PSI Oil-Free Professional Air Compressor uses High Pressure Technology to deliver the same runtime benefits as a 19 gallon/125 PSI tank. The compressor has an integrated control panel with easy-to-read gauges and two built-in quick connect couplers for easy one-handed hose connection.

  • Oil-free pump for no-maintenance operation
  • High Pressure Technology - high PSI designed pump efficiently packs air into 5 gallon tank providing user with the runtime benefits of a 19 gallon/125 PSI tank, in a smaller, lighter weight design
  • Easy Start Technology - Motor starts in temperatures as low as -20°F on a 3000 watt generator or 100 ft. extension cord
  • Full protective roll cage protects vital components
  • Easy-access ball drain valve
  • Regulated pressure range: 0-155 PSI (+/- 5)

Replacement Parts in Stock

Call to Order: 1-800-444-3353

View Available Parts

Important Information

  • Oversized item: cannot be shipped to Alaska or Hawaii. * Advantage compared to other compressors in its class. ** Compared to other job site compressors.

56402, 57391
Flow rate
6.1 SCFM @ 40 PSI, 5.1 SCFM @ 90 PSI
5 Gallon
AC Volts
Amperage (amps)
Horsepower (hp)
Maximum pressure (PSI)
225 PSI
Speed (max)
2100 RPM
Product Height
15-3/4 in.
Product Length
32 in.
Product Weight
78.9 lb.
Product Width
23 in.
Shipping Weight
87.78 lb.
Sound rating (dB)
78 dBA
Pump-Up Time
127 Seconds (0 PSI to Cut Out), 35 Seconds (Cut in to Cut Out)
CA Residents
Warning - Prop 65 Info
Note: Specifications are approximate and subject to change

We guarantee this product to be free from defects in materials and workmanship 90 days from the date of purchase. Limitations apply.