The loco ST-43 was exported from Romana as modification of 060DA diesel class produced by romanian company Electroputere. PKP bougth 422 pcs in period 1965-78. Loco was used for hauling freigth trains on PKP net, mainly coal transport and for kerosin transport on polish-german border. Occasionnaly used for passenger trains.

Model is equiped by motor with flywheel, control of ligths, cabin lights. Interface Plux22, ready to add speaker.