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 between Gammenthal and Griessbach, 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.