Gazelle is known to have taken charge of two different coaches in its time on the Shropshire & Montgomeryshire Light Railway. The first was a cut down version of a London Horse Tram. The second used the same chassis with a body from a Wolseley-Siddeley Railcar which Colonel Stephens first used on the Selsey Tramway. That Railcar was itself a signioficantly modifies rail-lorry based on a Wolseley-Siddeley chassis........
http://rogerfarnworth.com/2019/07/27/gazelles-trailers