DRG series ET 99
1924 was needed new Triebzüge for the rapid-transit railway in Hamburg. Into at that time modern steel construction method with Tonnendach by the companies Wismar, WUMAG, WASSEG and BBC in the years 1924, 1927 and 1932 were supplied with to implemented vehicles. Those altogether 57 Triebzüge with the wheel arrangement Bo'2'2 had a maximum speed of 60 km/h. Two Wagenkästen rested on a Jakob rotary stand.
As far as 1940 the vehicles carried the operating numbers ELT 1589 to ELT 1645. All Triebzüge were resident in the German Federal Armed Forces Hamburg Ohlsdorf. 1955 were turned off the last ET 99. Two courses however (ELT 1643 and elT1642) in addition, were converted to direct current luggage courses ET 174,001 and 002, these to end of the 1960er years were scrapped.