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HPC Mobilair M43/M50

Portable Compressors With the world-renowned SIGMA PROFILE Flow rate 4.2 to 5.0 m³/min (150 – 180 cfm)

The perfect energy-saving combination: a Kubota engine and KAESER airend. Equipped with world-renowned SIGMA PROFILE rotors and directly driven by a water-cooled four-cylinder Kubota diesel engine, the low speed KAESER rotary screw airend plays a key role in assuring the exceptional performance of M43/M50 portable compressors. Direct drive eliminates the transmission losses associated with other systems, consequently providing more air with less fuel consumption.

Maximum versatility

The MOBILAIR M43/M50 is the ideal choice for powering equipment such as breakers and impact borers. Meticulous construction and premium quality components ensure trouble-free operation in ambient temperatures ranging from -10°C to +50°C. A low temperature version is also available for use in lower ambient temperatures. Versatility is further enhanced by the chassis, as it can be equipped with or without an overrun brake and is available with a fixed or height adjustable tow bar. Stationary versions can be installed either on skids or machine mountings (all stationary systems feature a metal enclosure).

Anti-Frost Control as standard

Without the optional compressed air aftercooler, the patented Anti-Frost Control automatically adjusts operating temperature in relation to ambient. In combination with the optional tool lubricator, this feature prevents air tools from freezing up and significantly extends their service life.


Powerful doesn’t necessarily mean heavy: The M43/M50 has a low operational weight of less than 750 kg and is therefore incredibly simple to manoeuvre and transport. Moreover, its 80 litre diesel fuel capacity ensures that the compressor has more than enough power available to last an entire work shift. The same goes for the M50 version with optional compressed air aftercooler.

Separate air filters for engine and compressor

The air filters are specifically tailored to suit required air demand and therefore ensure dependable system operation. A further important design detail is the electric fuel pump which enables quick and simple deaeration of the diesel lines. Labour-intensive manual pumping is therefore eliminated.



Authorised distributors for

  • HPC
  • Camozzi
  • Festo
  • Beko
  • Teseo
  • Ransburg
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© 2024 Chelmer Pneumatics & Compressors Ltd.

Chelmer Pneumatics & Compressors Ltd is a company registered in England and Wales with company number 2190542. Registered office: Bellcroft, Eastways, Witham, Essex CM8 3YU.

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