00 GAUGE 4mm:1ft
2002 to present ERA
MHA fact file
OVER 1000 MHA wagons were constructed on the underframes of redundant MGR wagons, to bolster the fleet of air-braked ballast and spoil wagons which included former MEA four-wheel box wagons (MFA), and those built on the underframes of former TTA tank wagons and other similar vehicles (MTA and PNA).