The IOA wagon is a type of high sided open wagon designed to carry ballast and spoil. They were first released in 2009 and all carried the distinctive Network Rail engineers yellow livery. And were designated Mussel. The IOA had a maximum load capacity of 102 tonnes

The N scale  IOA Bogie Ballast wagon features:

• Finely moulded body with many separately added details
• Finely applied livery with accurately printed detail
• NEM coupling sockets as standard
• Profiled wheels

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