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  • Kaeser M255 MobilAir 935 CFM 260 HP Portable Air Compressor


    * Save 3% using ACH payment! Email us for details at sales@mountcompressor.com.

    M255 MOBILAIR Compressor

    Kaeser’s M255 portable diesel compressor features variable pressures for exceptional jobsite flexibility and easy operation with the new SIGMA CONTROL MOBIL 2. Delivering up to 900 cfm, it is built for the big jobs, but weighs in under 8,000 lb and can be safely towed with a pick-up truck. The steel chassis, torsion bar suspension, oversized tires, and lighting package ensure easy portability, safety, and excellent road handling, while the high capacity, cold start battery assures year-round reliability.

    The M255 has two pressure ranges:

    • 848-935 cfm at 125-150 psig
    • 696-900 cfm at 125-203 psig

    This powerful unit is perfect for heavy-duty construction, utility, and demolition uses and is designed for maximum flexibility and reliability on-site. The M255 is the first MOBILAIR to feature the new SIGMA CONTROL MOBIL 2 with intuitive touch screen control and real-time operational data.

    Kaeser’s exclusive pV Control is standard and can adjust the unit pressure in 1 psi increments. This intelligent controller optimizes compressed air availability and fuel efficiency with our Sigma Profile airend.

    The 6-cylinder Cummins diesel engine meets Tier 4 Final emission standards and includes both a diesel particulate filter and an SCR catalytic converter.

    The M255 has great road handling and is easily towed on the road and at the jobsite with a half-ton pick-up. Kaeser’s service-friendly design, including wide-opening gull-wing doors, spin-on filter cartridges, and easy-filling port access make routine maintenance a breeze.

    Made in Germany

    All models of the MOBILAIR portable compressors range are manufactured at KAESER’s headquarters in Coburg, Germany. Equipped with the very latest technology, this modern compressor plant boasts state-of-the-art equipment, including a TÜV-certified sound testing area for free-field sound level measurement, a high-performance powder-coating facility and efficient manufacturing logistics.

    Maintenance Parts

    Choose Replacement Parts:

    Filter Sets (Compressor & Engine)

    Compressor Filters:

    Fluid Separator Kits
    Air Inlet Filters
    Fluid Filters

    Compressor Fluid

    Engine Filters

    Product Sheet




    Be sure to complete your Warranty Registration with KAESER here