Main air

Oil-free main air compressors from Dürr Technik

Our strengths have been at the forefront in the railway industry.

Each train has unique requirements. Our oil-free main air compressors offer multiple options to meet your specific requirements. With a quality design, reliable performance and German engineering, we offer direct or belt-drive versions, or even complete air supply units. We work closely with our clientele to deliver an optimized, individual solution for every project.

Our pioneering role as a manufacturer of oil-free piston air compressors, designed and built for durability and performance, is why more than 200 customers from 35 countries worldwide rely on Dürr Technik. Our innovative compressors are economical to own and operate. Our oil-free technology makes them more environmentally friendly too. These are all important and relevant factors when deciding on your air compressor choice for rail transport.

Our main air compressors for the railway industry


The MC series oil-free main air compressor family was developed using our decades long experience in applied railway applications. The MC series compressors are purposely designed to be robust and durable, and suitable for all projects that must withstand extreme conditions.

Compact & soundproofed: MC series main air compressors

Compact design, robust and durable

  • Low maintenance
  • Soundproofed housing adds protection from dust and stone ingress
  • Reliable start in low temperatures

To the MC series main air compressors

The Marathon series main air compressors: Powerful, continuous running capable.

Durable: Marathon series main air compressors

This series is powerful, durable, and exceptionally reliable.

  • Features a high intensity cooling design supporting continues running capabilities (S1)
  • Superior air filtration extends service life
  • Streamline in design

To the Marathon series main air compressors

The main air compressor E-Bull is particularly light and yet powerful.

A robust powerhouse: enter the E-Bull main air compressor

This main air compressor is particularly powerful, yet efficient and quiet.

  • Compact dimensions facilitate variable installation positions
  • Robust design withstands vibarion
  • Vibration optimized with low noise level
  • Frequency inverter (FI) capable motor

To the E-Bull main air compressor

Further information:

Brief case study for potential savings with oil-free air compressors

The potential savings over the years can be enormous. As an example, the cumulative maintenance costs of a customer with oil-lubricated compressors compared to oil-free compressors from Dürr Technik over a period of 20 years, based on a project with 146 compressors. The potential savings (△) amount to 2.95 million euros - equivalent to 86%.

Our certifications in the railroad sector

Our oil-free air compressors for the rail sector are manufactured in Germany. Since 2009 we are IRIS certified and capable to offer products in compliance with the following standards:

  • EN 50121-3-2 Electromagnetic compatibility
  • EN 45545-2 Fire protection requirements
  • EN ISO 9227 Salt spray test
  • EN 61373 Vibration and shock test

Here you can find all our certifications

How can we help you?

Get in contact with us by e-mail or telephone.

Contact person

Any questions?

I would like to help you

Gabriel Tordai