That blue light looks very like Blackpool's 405JFR. However that had screw jacks and this Irish one does not. I can't find it on the irish Fire Service Trust website, a great source for older Irish fire engines
see here
www.fireflash-delta64.co.uk/blackpoolarch.html
could be the Macclesfield on as that matches more exactly see
Added by Neal Glover on 26 January 2011.