Process of overhauling

The aim of our company is to provide superior durability remanufactured equipment. Therefore, to be able to meet this challenge, the entire repair process takes place in our workshop.

Highest standards

From dismantling, cleaning, measuring, mechanical machining, replacing parts to assembly, painting and testing - every step meets highets standards. We operate on the principle: do once and for all!

Customer's convenience

Our workshops are located directly on the waterfront. When some work can only be done on the ship, we provide a parking space for the unit, and the proximity of adequate technical facilities saves time and ensures the best possible quality.


STEMAG MARINE CONCORDIA was established in 2008 as an independent company specializing in repairs of engines and other ship equipment. On the experience of our company consists of both 16-years of direct cooperation with the German shipowner Reederei Erwin Strahlmann and nearly 100 overhauls conducted independently for the past 8 years.

Our company specializes in class, and emergency repairs of the main engines and auxiliary engines the most well-known manufacturers:

DEUTZ, MAK, MAN, WARTSILA, CUMMINS, B&W, Scania, Volvo Penta, Caterpillar, Detroit Diesel, MWM.

In addition, we make the repairs and maintenance of:

  • transmissions,
  • propellers,
  • thrusters,
  • pumps,
  • centrifuges,
  • compressors,
  • coolers

and other mechanisms of marine equipment.

In addition to mechanical repairs on ships today carry out, we also took port in reconstruction projects of historical units. The implementation of these projects put special emphasis on the preservation of historic value and full efficiency of the device itself.

We have our own logistics infrastructure allowing us to help our customers in the case of failure of the ship throughout Europe.

Conducted over the years renovations have resulted in a good reputation classification societies (GL, BV, DNV) and constant cooperation with a number of shipowners.

We encourage you to contact and cooperation.


Year established


Major Repairs Completed


Head Office

Księcia Bogusława X 3
70-440 Szczecin
Phone: +48 91 430 78 41


Stanisława Dubois 23
71-610 Szczecin
Phone: +48 600 450 410 (Stefan Fudali)
Phone: +48 507 102 384 (Jacek Pajewski)