 During 1954, Saturday trains were operated as double units.On 9 June 1947, the class was also taken into use from Oslo West Station (Oslo V) on the Vestfold Line, and along the Sørlandet Line to Kongsberg.From the 1 June 1949, after the Sørlandet Line was electrified to Kristiansand, these services were shifted to the "Sørlandet Express".