The Great Northern Railway Class H2 and H3 (classified K1 and K2 by the LNER) was a class of 2-6-0 steam locomotive designed for mixed-traffic work. The class was created as a locomotive which could haul heavier goods trains at speeds of up to 40 mph.

The Great Northern Railway class H2 and H3 (classified K1 and K2 by the LNER) was a class of 2-6-0 steam locomotive designed for mixed-traffic work. The class was created as a locomotive which could haul heavier goods trains at speeds of up to 40 mph.

The following is a list of locomotives built for the Great Northern Railway. As is customary, engine classes are organized according to the man who was locomotive superintendent when the class was introduced, and to whom the design is often attributed. Six men held this post during the existence of the Great Northern Railway.

Gresley Class H3 2-6-0 65 engines built with 5'-6" diam. boilers (LNER K2). The majority of the boiler changes took place at Cowlairs instead of Doncaster. These…

The Great Northern Railway Class H2 and H3 was a class of 2-6-0 steam locomotive designed for mixed-traffic work.

A 2-6-0 design was quickly chosen, with the leading pony truck intended to reduce wear on the leading driving wheels and to provide a steadier ride at higher speeds. The resulting GNR Class H2 (LNER Class K1) was also the first design to incorporate Gresley's patented double …

FT07 LNER / BR K2/2 GNR H3 2-6-0. This is the Gresley designed locomotive built between 1914 and 1921. Supplied with original, modified and Scottish cabs. Supplied with the Ivatt Self Trimming Tender. (Ivatt Horseshoe or Stirling D can be supplied on request.) Please specify GNR or LNER Chimney/Dome. This is a Fourtrack design

Gresley designed and patented an unusual pony truck that featured swing links on the bolster above the center pin line and the one below. Two points on each bolster connected to the ends of arms above (upper bolster) and below (lower bolster). The system acted to equalize the weight on the two pony truck wheels, stabilizing and smoothing the ride.

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English: Great Northern Railway Gresley Class H3 2-6-0 locomotives Later LNER K2 class