the 9AK and 12HGTS are SA numbers, they wont be listed on the site. there is also this site http://www.guess-works.com/Tech/engine.htm that has an engine nr decoder.
My First Mini had a 998 engine and the nr was 9AKUH 1---3
My Current Mini has a 1275 GTS engine and gearbox and the engine nr is 12HGTS1---5
My First Mini had a 998 engine and the nr was 9AKUH 1---3
My Current Mini has a 1275 GTS engine and gearbox and the engine nr is 12HGTS1---5