We retrofit and conduct all processes required for the certification and approval of retrofitted locomotives.

• We retrofit single-system locomotives to double-system ones.
• We retrofit the locomotives in terms of an approval to speeds of 160 kph and above.
• We perform inspections at the following levels: P3, P4, P5.
• We retrofit cars so that they reach the latest and highest standards met by new locomotives.
• We provide the adaptation of locomotives to the local Polish conditions.
• We retrofit locomotive cabs, including the installation of toilets for the driver.

In addition, we carry out the retrofitting taking into account the individual requirements of the client.