Diesel motor unit M240.0 (820) was designed for  personal transpor on second-class routes  with  light coaches typ 020 (Bix). They was produced in czech factory Studenka, 120pcs  in 1963 year.  Due to problems with rust of chassis they was finally withdrawn after year 2000  from ČD and latter from ZSR service. 

Model is eqiupped  with interior ligth  and cab light, connector Plux22.