The Queensland Railways 8D15 class locomotive was a class of 2-8-2T

steam locomotive A steam locomotive is a locomotive that provides the force to move itself and other vehicles by means of the expansion of steam. It is fuelled by burning combustible material (usually coal, oil or, rarely, wood) to heat water in the locomot ...

s operated by the

Queensland Rail Queensland Rail (QR) is a railway operator in Queensland, Australia. Owned by the Queensland Government, it operates local and long-distance passenger services, as well as owning and maintaining approximately 6,600 kilometres of track and relate ...

ways.

History

In 1884 Dübs & Co delivered five 2-8-2T locomotives to the

ways. Three were delivered to the Southern & Western Railway and one each to the Central (

Rockhampton Rockhampton is a city in the Rockhampton Region of Central Queensland, Australia. The population of Rockhampton in June 2021 was 79,967, Estimated resident population, 30 June 2018. making it the fourth-largest city in the state outside of the ...

) and Great Northern (

Townsville Townsville is a city on the north-eastern coast of Queensland, Australia. With a population of 180,820 as of June 2018, it is the largest settlement in North Queensland; it is unofficially considered its capital. Estimated resident population, 3 ...

) Railways. The latter was transferred to the Central Railway without use. Per Queensland Railway's

classification system Classification is a process related to categorization, the process in which ideas and objects are recognized, differentiated and understood. Classification is the grouping of related facts into classes. It may also refer to: Business, organizat ...

they were designated the 8D15 class, the 8 representing the number of

driving wheel On a steam locomotive, a driving wheel is a powered wheel which is driven by the locomotive's pistons (or turbine, in the case of a steam turbine locomotive). On a conventional, non-articulated locomotive, the driving wheels are all coupled ...

s, the D that it was a

tank locomotive A tank locomotive or tank engine is a steam locomotive that carries its water in one or more on-board water tanks, instead of a more traditional tender. Most tank engines also have bunkers (or fuel tanks) to hold fuel; in a tender-tank locom ...

, and the 15 the

cylinder A cylinder (from ) has traditionally been a three-dimensional solid, one of the most basic of curvilinear geometric shapes. In elementary geometry, it is considered a prism with a circle as its base. A cylinder may also be defined as an infin ...

diameter in inches. Two were converted to tender engines in 1890/91. All were later reboilered. The tank engines were written off in October 1922, the tender locomotives in 1938 having spent their finals years hauling limestone and water trains to Mount Morgan gold mine.

Class list

References

{{QueenslandLocos Dübs locomotives Railway locomotives introduced in 1884 8D15 2-8-2T locomotives 3 ft 6 in gauge locomotives of Australia