Its last steam locomotives were two examples built by Hudswell Clarke & Co. of Leeds: No. 34, an outside cylinder, six-coupled side tank locomotive, works No.1523, built in 1925 and delivered new to the Appleby-Frodingham Steel Company in Scunthorpe, which came to the line in the 1950s; and No.
Its final steam locomotives were two examples manufactured by Hudswell Clarke & Co. of Leeds: No. 34, an outside cylinder, six-coupled side tank engine, work number 1523, constructed in 1925 and delivered new to the Appleby-Frodingham Steel Company in Scunthorpe, which joined the line in the 1950s; and No.