standard version. 1 motor car as a type mBk end car, 2nd class, 1 type AB intermediate car, 1st/2nd class, 1 type sBk cab control car as an end car, 2nd class. Train destination sign: Hoek van Holland. Train [...] These trains had to have flexible utilization, faster and easier coupling and uncoupling at junction stations, as well as the possibility for passengers to change from one unit to another during a trip. These [...] improvements. Chopper control was added starting with road number 4051 and the class changed to ICM-2. Between 1990 and 1994, 50 four-part units were built as the class ICM-3 (4201-4230) and ICM-4 (4231-4250)...