KWStE tank 0-6-0 class T3 in green (HO scale) Tank 0-6-0 steam locomotive class T3 Kupferzell of the German Royal W僡ttemberg Railways in green, black and red livery. The Kupferzell enjoyed a special status among the T3 tender locomotives. It was built as one of the first T3 series at Krauss in Munich, had a short water tank and was given a name. One of Krauss locomotives, the Kupferzell, was fitted with a long water tank, which made it the only class T3 locomotive with a long water tank and a nameplate. Epoch I, bi-directional lights, Digital ready with NEM652 interface, die cast metal frame and body, flywheel powered, sprung buffers, length: 98mm.