940008 Southern Railway 8 Plank Open Wagon D1379 No.36759, SR Brown (Pre-1936)Rapido Trains UK unveils new model of SRs most numerous wagon. Choosing an eight plank design set the Southern apart from most other railway companies but this distinctive design was actually the SRs most numerous wagon. There were several versions, all sharing the same body and they could be found throughout the Southerns network. Rapido is to produce two different diagrams. Leading the way is the Diagram 1379, which was the first eight plank design