The first train for this unique steam locomotive after restoration. The engine was build in 1931 in Poland specially for Bulgarian railways. And after 48 years of silence, the Big Bear (nickname of these locomotives, given by the railway workers in the past) is back to life. In the previous day the locomotive successfully complete the speed test, and on May 26 was held the load test with 320 t train on the heavy ascent to Vakarel station. All type of trials were completed successfully, so now the locomotive is ready for trips!