Harbor Freight Tools


4 Gallon 200 PSI High Performance Hand Carry Jobsite Air Compressor

This 4 gallon air compressor delivers 3X more runtime than similar jobsite compressors

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Product Overview

This FORTRESS® Air Compressor is up to 30% lighter than other compressors in its class. Don't let the small size fool you - this professional quality air compressor delivers up to 300% more runtime than similar jobsite compressors. Featuring an integrated control panel with easy-to-read gauges and two built-in quick connect couplers for running multiple tools.

  • Oil-free pump for no-maintenance operation
  • Compact and lightweight, this compressor delivers 4 SCFM @ 90 PSI with a max pressure of 200 PSI for up to 300% more runtime*
  • Easy Start Technology means the motor starts effortlessly in temperatures as low as -20°F
  • 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

  • *Compared to standard 125 PSI compressors, **Compared to other jobsite compressors
  • This item is subject to a 20% restocking fee


56339, 56834
Flow rate
4 SCFM @ 90 PSI
4 Gallon
AC Volts
Amperage (amps)
Horsepower (hp)
Maximum pressure (PSI)
200 PSI
Product Weight
47.5 lb.
Shipping Weight
57.30 lb.
Sound rating (dB)
80 dBA
Pump-Up Time
109 seconds (0-cut-out), 23 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.

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