Tags: Locomotive.
The Furness Railway 21 class (classified K2 by Bob Rush) or Larger Seagulls were built a class of eight 4-4-0 steam locomotives designed by W. F. Pettigrew and built by Sharp Stewart and Company of Glasgow for the Furness Railway. Six were built in 1896 and two more in 1900. They were built to supersede the 120 class on the heavier and more important trains. They had 6-foot-0-inch (1.829 m) diameter driving wheels with 18-by-24-inch (457 mm × 610 mm) cylinders.