PKP class ST40
Newag 311 of the Polish plants in Nowy Sacz NEWAG since 2007 modernized diesel locomotives PKP ST44 - series or DR series V 200 (LTS M62). The standard gauge variant is called the 311D, the variant for the Russian broad gauge than 311Da.
The locomotives of the ST44 series have been completely modernized. Building on the extant framework received the new locomotives manufactured at General Electric Gdansk 12-cylinder V-engines from General Electric 7FDL series 12 To accomplish this, the locomotives a new electrical and electronic equipment, new main and auxiliary generators
The locomotive building was completely re- designed and manufactured. The equipment of the cab is built. The bogies including the traction motors were only revised.