TRIANG HORNBY X1145 ANTRIEBSGETRIEBE S9573 28 ZAHN + ACHSE S2373 für 0-6-0 X03 X04 SOR
Part Number:X1145, (S9573 & S2373). This gear (S9573) and axle (S2373) arenot suitable for the later Hornby 0-6-0 locos which have a 42 tooth gear (the ones which have an unfortunate habit of easily getting stripped).