KR Models 4DD-OO-R-1-NSE 4DD-OO-R-1-NSE Bulleid Class 4DD Double Decker 4 Car EMU 4901 'What If' Network SouthEast. In 1970 both units were repainted to BR Blue and renumbered to 4901 and 4902. In January 2024, Rails acquired Hatton's Model Railways following its unfortunate closure after many years.
