946003 Dia E140 B Set - No.6365 & 6366 BR CrimsonRapido Trains UK to produce all new GWR B Set coaches One of the classic Great Western Railway branch trains was a pair of non corridor Brake Composites known as B Sets hauled by a Small Prairie 2 6 2T. The first iteration of B set coaches was delivered in 1924 under diagram E116. However, it wasnt until 1930 when the largest diagram E140 were delivered. These vehicles each sported a guards compartment, a single First Class compartment and five Third