Car no. 223 (till 1966: 123)is a product of "Westwaggon" with electric equipment of AEG. Only doors and boogies are DÜWAG-products. Mainz-series 121-126 of 1958, renumbered in 1966: 221-226. Later car: 127 of 1961, renumbered in 1966: 227. Sold to Elblag in 1996/97: 221-225, 227. Car no. 226 = Mainz historic car (for special services).
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