 From 1919 the drivers' positions and the balconies of the upper decks began to be enclosed.Electrical equipment came from Siemens or Westinghouse for most vehicles; trams built up to 1930 had two electric motors, later trams had two motors of between .As of 2017 Tram number 132 is on display at the Streetlife Museum of Transport in Hull, Tram number 96 is preserved and modified as a single deck vehicle at the Heaton Park Tramway, Manchester.