This is a nice clean example of the Hornby Dublo Duchess pacific diecast tender chassis complete with the 3 rail wheels buffers and front and rear couplings, all as per the photo and title - Great to repair your special Duchess.
The Hornby Dublin EDL12 3 Rail Black Duchess Decast Tender Chassis ASSY + Couples GC would be a great fit for model railroad enthusiasts looking for a premium, detailed tender chassis for their HO or N-scale layouts.
