Specialists in maintenance and overhaul service of hydraulic motors Almost 20 years of experience in hydraulicsKolben offers overhaul and maintenance services on hydraulic components, motors and pumps, control valves for Mobile, Industrial, Marine, Rail fields.We intend to maintain a constant service quality thanks to our dedicated staff, trained and experienced in the hydraulic field.Kolben employs appropriate machines for overhaul, static and dynamic tests of the components.We offer a wide range of services from maintenance before and after startup, for medium and large dimensions systems, for mobile and industrial field.