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Kobelco KNW Series Oil-Free Air Compressors

Kobelco KNW Series of Oil Free Compressors are the first choice of engineers and plant managers where oil-free air is critical. Now available in Central and Western Kansas.

Kobelco KNW Series Oil-Free Air Compressors

See our line of Kobelco air compressors

20 HP
500 HP

About Kobelco Oil-Free Air Compressors

Kobelco KNW Series are designed, manufactured, assembled and tested to be the longest lasting and most energy-efficient oil-free compressors in the world and the largest oil-free rotary screw compressor brand based in North America. With over 65 years of field experience in all industries have proven that Kobelco KNW Series rotary screw design is the preferred choice for reliability, energy efficiency and serviceability. Kobelco has stayed ahead of the competition with constant innovation and attention to quality, reliability and serviceability. Regardless of your industry, you can count on Kobelco KNW Series oil-free compressors to protect your products and process from contamination.

Get Your Kobelco Compressor Today!

Key Features of Kobelco Oil-Free Air Compressors

Kobelco’s have ASTM 1144 steel rotors with exclusive PTFE coating on rotors and shafts for maximum efficiency and corrosion protection. Gears and bearings are lubricated by a unique motor-driven oil pump that provides positive lubrication prior to start-up, through operation and after shutdown. This is an especially important feature for VFD models and not available on competitive offerings.


  • Manufactured in USA
  • Fixed Speed or VFD
  • Designed for 24/7 Operation
  • Two-Stage
  • Air-Cooled
  • Water-Cooled
  • 20 – 500 HP
  • 72 – 2400 SCFM
  • 40 – 150 PSIG

 Convenient Features:

  • Rotary Screw Design 20-500 HP
  • Energy Efficient Operation
  • Annual Maintenance Only
  • Low Installation Cost
  • Proven Technology Since 1955
  • Local Sales, Parts and Service

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Cullum & Brown and Oil-Free Air Compressors

Our Oil-Free Expertise:

When compressed air quality is critical and the smallest drop of oil can damage or spoil product, oil-free compressed air is the best fit. Cullum & Brown has the expertise and flexibility, thanks to the broadest range of class Zero oil-free and oil-less technologies in the industry, to match your highest of standards.

Our Oil-Free Service:

When you call, Cullum and Brown answers! We don’t rely on recordings or answering services to take care of our customers. If you have an issue with your Oil free Air Compressor or any of your compressors, our 24/7 service department, 18 service technicians and counting, are available 24 hours, 7 days a week to support not only the brands we sell, but all makes and models of oil-free air compressors.

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From turnkey equipment and system installs to 24/7 emergency service, we can help.

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