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MGN Transformaciones del Caucho, S.A.

Versión en castellano

Postal address Candelaria, 9
E-28864 Ajalvir. Madrid. Spain
Telephone +34 91 887 40 35 E-mail Web
Company data
Management team

CEO: Enrique Navarro. Technical Director: Juan Jose Nebreda. Quality Director: María Alzórriz. Financial Director: Nuria Adán. Engineering: Daniel Solsona. Purchasing: Bienvenida Navarro.  Production Manager: Joaquín Navarro


Main products and services

Design and manufacturing of elastic and antivibration rubber to metal elements for railway (High Speed locomotives, Urban Locos, Tramway, Metro, etc.)

- Elastic bushes

- Axel Box Pivot Bushes

- Assembly of rods and mechanical subsystems

- Primary Suspension Systems

- Secondary Suspensions

- Conical springs

- Elastic supports

- Center Pivot Bushes

- Buffer and Drawgear Springs

- Big Bellows


Top product: COMPONENTS: 1. Rubber-Metal parts. ROLLING STOCK AND TRACTION EQUIPTMENT: 2. Maintenance of bogie subsystems



Activity Spare Parts, Rolling Stock, Engineering and Maintenance

Activities by year

Activities in 2013-2019:   

- Commercial Expansion USA, Canada, Mexico, Argentina and Brazil.

- Agreements for new projects with major rail manufacturers.


Innovations in 2013-2019: 

- Development of parts and solutions that comply with the demanding European regulation against fire EN 45545.

- New bench Multiaxial fatigue tests for validation of parts and subsystems.

- Development of formulation of rubber for excellent fatigue and creep behavior.

- Development of elastic supports and joints for gearboxes CAF trams and metros.

- Member of the Spanish Railway Technological Platform



- Successful result of the project Saferubber (, Seventh Framework Programme of the EU.

- Development of new formulations of rubber to support extreme temperatures until -60 ° C.

- Development of systems for primary and secondary suspension.

- Characterization of technical rubber mixtures for FEM simulation.

Certifications Quality: ISO 9001

Turnover 4 million Euros / year
No. of employees 26
R&D Investment 10% of turnover
Activities Components, Rolling stock and traction equipment, Engineering and consulting, Maintenance.
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