BR 20T Brake Van B954781 Grey Coal Sector CARBritish Railways standard 20 ton goods brake van. No layout would be complete without a couple of these vehicles. The Dapol brake vans encompass Diagrams 1 504 (vacuum through piped) and 1 506 (Unfitted) manufactured between 1951 and 1957 totalling some 2,300 vehicles, however we also plan to produce the last batches of Diagrams 1 506 and 1 507 totalling 1,830 units, these having roller bearing axle boxes in place of the oil type and Oleo self