Dapol 2F-010-012 Network Rail JNA 'Falcon' Ballast Wagon 29023, Network Rail Yellow Liveryin N scale from Model Railways Direct.
National Wagon Preservation Group - Greenbrier built two batches of bogie box wagons for Network Rail in 2009. 120 were high-sided wagons coded IOA and used in block formations to deliver ballast
Wascosa unveils Network Rail wagon fleet - International Railway Journal
NETWORK RAIL'S ROCK SOLID INVESTMENT IN NEW BALLAST CLEANER
Loaded Network rail JNA ballast wagons Gloucester 26/06/2011 - YouTube
JNA Falcon Ballast Box Wagon Network Rail NLU29015-Dapol-4F-010-013 | Gaugemaster
Loram UK and Network Rail in wagon repurposing deal - RailStaff
Dapol 4F-045-013 Network Rail IOA Ballast Wagon
Loram UK announces multi-million-pound deal with Network Rail for wagon repurposing - Rail Forum
LTSV Wagons - Profiles
Richard Bywater on X: "#WagonPics No.564 : Network Rail HQA-J 59.95 Tonne Autoballaster Generator Wagon 380323 built at Doncaster in 2001 for Railtrack. Providing power to a rake of wagons at Wainfleet