The 6 push-pull trains "STP" (Stammnetzpendel/push-pull train of the main network) with railcars Be 4/4 # 511 to # 516, built in 1971/1979 by FFA and SAAS, will be all withdrawn and scrapped in the next months. In march 2010, for the Engadine Ski Marathon, with high passenger frequencies in the Engadine, all of this trains were used for extra trains. Two coupled 4-car trains with railcars Be 4/4 # 511 and # 513 are running between La Punt Chamues-ch and Bever. The leading cab car ABDt # 1711 has still the round headlights from delivery.