" Original version without pendulum
Bogies without yaw dampers
Fine window frames / The EW IV type unit coaches were delivered to the SBB from 1981 onwards and, with over 500 units, form one of the largest Swiss coach fleets. The car body is of welded lightweight steel construction.
construction. The coaches are very popular with passengers because of the spacious interior with vis-à-vis seating and the quiet running behaviour even at high speeds. The EW-IV coaches, with various modernisations, are still in service practically throughout Switzerland today."