New Harbor Freight Fortress Oil Free Air Compressors

Harbor Freight has recently added 2 new oil free compressors to their new Fortress Brand, with a 5 gallon 1.6hp 225 PSI unit and a 27 gallon 1.6hp 200 PSI unit. Just like the other Fortress air compressors, these are geared towards the professional and compare well with similar models from top competitors.

My thoughts: While the Fortress brand is still very new, they’ve made a very good impression with their smaller super quiet compressors. Just like Harbor Freight’s other new brands they’re quickly building a good number of tools and these new Fortress Compressors have some excellent specs and features to keep up with the trend that’s been set by Harbor Freight’s other new brands. On the 5 gallon unit one standout feature that I believe is a first for a Harbor Freight product is a 1.7hp AC brushless 4 pole motor, which brings extra energy efficiency and longer life to most applications. AC brushless motors are found in other power tools from DeWalt and Hitachi/Metabo HPT/Hikoki, but it’s amazing to see it in something from Harbor Freight. Other features on the 5 gallon model include an oil free pump for less maintenance, a low 78 DB sound rating, pressure up to 225 PSI, and an aluminum tank for rust free operation and easy transport thanks to its lightweight. At the time of writing the the 27 gallon appears to have a glitch on the Harbor Freight website as the specs listed in the description are the same as those for the 5 gallon model. Luckily scrolling down through their product page it has more specs so here they are. For the 27 gallon model it features a top pressure of 200 PSI, a 1.7hp motor, a built in cord wrap, as well as a roll cage around the top to protect the motor and controls. Overall these look like excellent compressors to add to the Fortress brand.

Features and Specifications:

5 gallon model:

  • High performance 78 dBA operation is up to 80% quieter than similar jobsite compressors
  • Oil-free pump for no-maintenance operation
  • Brushless 4-pole induction motor lowers heat and friction to deliver a longer service life
  • Compact and lightweight
  • 5 gallon aluminum tank for lightweight, rust-free usage
  • Full protective roll cage protects vital components
  • Easy-access ball drain valve
  • Air volume delivery: 6.1 SCFM @ 40 PSI, 5.4 SCFM @ 90 PSI
  • Voltage: 120v AC
  • Amperage: not listed
  • Motor HP: 1.7hp
  • Motor RPM: 2,100 RPM
  • Max pressure: 225 PSI
  • Tank size: 5 gallon
  • Pump up time: 113 Seconds (0 PSI to Cut Out), 28 Seconds (Cut in to Cut Out)
  • Height: 15 ¾”
  • Width: 23”
  • Length: 32”
  • Weight: 79 lbs.
  • Price at the time of writing: $379.99
  • Warranty: 90 days with 1 or 2 year replacement plans available for an extra cost

27 gallon model:

  • Air volume delivery: 6.1 SCFM @ 40 PSI, 5.1 SCFM @ 90 PSI
  • Max pressure: 200 PSI
  • Voltage: 120v AC
  • Amperage: not listed
  • Motor HP: 1.7hp
  • Motor RPM 2,000 RPM
  • Pump up time: 605 Seconds (0 PSI to Cut Out), 136 Seconds (Cut in to Cut Out)
  • Height: 51 ⅞”
  • Width: 18 ½”
  • Length: 21 ¾”
  • Weight: 115 lbs.
  • Price at the time of writing: $ 459.99
  • Warranty: 90 days with 1 or 2 year replacement plans available for an extra cost


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