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FRB03 - FR Wooden 2 Ton Slate Wagon (Unbraked, No Coupling Links)
This was an early design, which although declining in number, lasted until the end of the railway. It took over from Inside bearing examples, being easier to maintain and by virtue of having a homogenous axle, safer.
Requires Axleboxes AB03 and Coupling links CPL03. Use any Slater's FR Wheelset.