The new push-pull train of association Pendelzug Mirage (VPM), with railcar RBDe 566 I # 222 and cab car ABt # 922, is running as train 39992 from Sumiswald-Grünen to Huttwil near the former stop of Mussachen, on the occasion of the Handwerkermarkt in Huttwil. This train was taken over from the Chemin de Fer du Jura (CJ), line Porrentruy-Bonfol. It was built in 1973 in a series of 8 for the Emmental-Burgdorf-Thun-Bahn (EBT), Vereinigte Huttwil-Bahnen (VHB) and Solothurn-Moutier-Bahn (SMB) as RBDe 4/4 with ABt.