Rolair 4090HK17 5.5 HP 9 Gal. Single Stage Portable Air Compressor

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Item Number:ROL4090HK17
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Rolair 4090HK17 5.5 HP 9 Gal. Single Stage Portable Air Compressor

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  • 13.1 Cu. Ft. Displaced, 8.9 Cu Ft. Free Air at 100 PSI
  • Splash lubricated pump with cast iron cylinders
  • Ball bearing crankshaft, oil level site gauge
  • Automotive style inserts on connecting rods
  • Oversized flywheel for extra cooling
  • Idle-down throttle control to reduce fuel use
  • Aftercooler
  • Accessory support clip

Depending on the "Ship To:" location, this item may ship directly from the Manufacturer.

The 4090HK17 includes:

  • Rolair 4090HK17 Portable Gas Air Compressor
  • Regulator
  • Gauges


  • Totally enclosed two piece heavy gauge belt guard
  • 5 1/2" HP Honda gasoline engine
  • Initial oil fill in crankcase
  • Runs Approximately: 3-5 Framing/Sheathing Guns, 4-7 Roofing Guns

Tech Specs:

  • Engine: Honda
  • Motor: HP 5-1/2
  • Cubic Feet Displaced: 13.1
  • Cubic Feet free air at 100psi: 8.7
  • Stage: Single
  • Tank Capacity: 9 Gallons
  • Length: 46"
  • Width: 19"
  • Height: 28"
  • Shipping weight: 200.00 lbs.

UPC - 662865210569

Having problems with your electric Air Compressor?

Things to consider.

  • Is the tank full of air so it doesn't think its supposed to kick on?
  • Is there a "reset" button on the motor that is tripped?
  • Is the Regulator adjustment being done correctly?
  • Is it plugged in to a proven working power source?
  • Is there is "not" enough restriction to the air flow that the gauge won't move up?
  • With the Regulator turned all the way off, does the compressor build up pressure then shut off?
  • When you open the tank drain slightly does the compressor kick on at about 90~100psi using the Tanks gauge to measure?
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