 Nyora kupfuurira kweiyi ndima - Pakutanga zvakarongwa kuvaka 3,000 locomotives yekirasi LV, asi muna February 1956 pa20th Communist Party Congresskwakasarudzwa kuti purogiramu huru yokuvandudza njanji yaizotanga. Zvitima zvemagetsi zvinoshandisa diesel nemagetsi zvaizotsiva zvitima zvemhepo, izvo zvaizomiswa kuvakwa. Nechisarudzo ichi kugadzirwa kwekirasi LV locomotives kwakagumiswa, sezvakanga zviri basa pane rakasimba 2-10-2 pasi pekuvandudzwa rakasarudzwa kirasi OR21. Pakupera kwa1956, locomotive LV-0522 yakava yekupedzisira locomotive yemhepo yakapedzwa paVoroshilovgrad Works. 