Shelton Iron & Steel Works No. 4101

Dübs crane tank No. 4101 is an 0-4-0CT crane locomotive manufactured by Dübs & Co. in 1901, Glasgow for the Shelton Iron and Steel Works, Stoke on Trent. A "crane tank" is a type of steam locomotive upon which a steam-powered crane is mounted, producing a machine which is capable of performing as both a shutter and a mobile crane.