One hundred thousand kilometers with "retro"

Diesel motor coaches of the class 852 and 853 were reconstructed in Pars nova Šumperk. Their non-motor coaches of the class Bdtn⁷⁵⁷ (former 053) were reconstructed in KOS Krnov. 854.021 and 854.027 were converted to a historical character and than also two coaches Bdtn⁷⁵⁷ (No. 235 and 236) got a historical design.