Model: TT Gauge. Three HAA Wagon freight wagons of the Coal Sector.Prototype: The HAA Coal Sector Wagon is a British four-axle hopper wagon specifically designed for transporting coal in so-called "merry-go-round" operations. It has a funnel-shaped body with side unloading flaps that allow for fast and continuous unloading at power stations without having to stop the train.The HAA wagons were introduced by British Rail from the 1960s onwards and were permanently organized into unit trains that s

Price Comparison