Sonic Models S4102-04

LB&SCR K Class 2-6-0 Southern Maunsell Dark Olive Green No.2346 Steam Locomotive

Manufacturer catalogue image - please note that pre-release images may be CAD renders or CGI/AI images rather than photographs

Prototype Era
Era 3 (1923 to 1947) The Big Four (LNER, LMS, GWR and SR)

Manufacturer description

Available Exclusively from Rails of Sheffield

LB&SCR K Class 2-6-0 Southern 2346 Maunsell Dark Olive Green, Dark Olive Green Wheels with Black Tyres, Black and White Lining Steam Locomotive

History

The LBSCR Engineer Lawson Billinton in 1912 designed a new powerful goods locomotive that coped with heavy loads at speed. No 337 appeared the following year (1913) and by 1921 a total of 17 had been constructed at Brighton works. They proved to be very successful providing invaluable support during WW1 when very large freight movements were required.

The locomotives also coped well with passenger services providing a good all-round service to the railway. Billinton was not afraid to improve the steaming characteristics to help reduce coal running costs and the design innovations included an additional dome and top feed. This feature was improved and the last seven locomotives left Brighton works including this feature which lasted through to the end of the 1920’s before all were modified back to one dome.

More would have been built but for the fact that the LBSCR was merged into the larger SR in 1923 and the new company appointed a new Engineer Richard. E. L. Maunsell. He favoured his own N and U class designs so no more K Class locomotives were built.

In the 1930’s Maunsell improved the cab design and lowered the height as well as the dome and chimney to operate to the composite loading gauge.

Under BR ownership only minor changes were made. Removal of the LHS Weir Water Heaters in the early 1950’s and later modifications to the tender to include water treatment. Interestingly at the end of all their working lives the N and U designs cost far more to maintain with serious design faults in the frames and cylinders.

The K Class design proved reliable right to the end. One locomotive No 32353 was offered to the Bluebell Railway for preservation but unfortunately the society was struggling in 1962/3 to raise money to buy the track and infrastructure and could not afford the extra expense. (It is surprising the locomotive was not offered to the National Collection)

Specification


Catalogue listing

Brand
Sonic Models
Product Code
S4102-04
RRP
£189.95
Release date
Q1 / Q2 2026
Limited edition model for
Rails of Sheffield

Model details

DCC status
DCC 21

Prototype information

Locomotive class*
Models

* Class names often change over the lifespan of a locomotive, so this is not necessarily the class name used by the operator in the period modelled.

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Related products

The latest release from Rails of Sheffield is a highly detailed model of the LBSCR K Class 2-6-0 steam locomotive, specifically Southern Maunsell Dark Olive Green No. 2346. This limited edition model is available exclusively from Rails of Sheffield.

The K Class locomotives were designed by LBSCR Engineer Robert Billinton in 1912, with the first locomotive, No 337, appearing in 1913. A total of 17 locomotives were constructed by 1921, and they proved to be highly successful, providing valuable support during World War I and also performing well on passenger services. The locomotives featured an additional dome and top feed, which helped to reduce coal running costs.

In 1923, the LBSCR was merged into the Southern Railway, and a new Engineer, Richard E. L. Maunsell, was appointed. Maunsell favoured his own N and U class designs, and no more K Class locomotives were built. However, Maunsell did make improvements to the cab design and lowered the height of the locomotive in the 1930s.

Under British Railways ownership, only minor changes were made to the locomotives, including the removal of water heaters and modifications to the tender. The K Class design proved to be reliable and long-lasting, with one locomotive, No 32353, being offered to the Bluebell Railway for preservation in the 1960s.

The model of No. 2346 features a range of detailed components, including chimneys, domes, cabs, safety valves, and AWS equipment. The locomotive has a heavy die-cast firebox, boiler, and smokebox to aid traction, and is fitted with a smooth 12V motor and flywheel. The model also features a factory-fitted DCC sound speaker, easy access to the DCC decoder socket, and a range of other detailed features.

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