Passend zu den Tram 2000 Triebwagen wurden 1985 bis 1987 20 motorisierte vierachsige Beiwagen, auch "Pony" genannt, beschafft.
Fitting to the motorcars of Tram 2000 some 20 motorised trailers, called "Pony", were added to the fleet between 1985 and 1987.