Queensland B12 class locomotive - AbsoluteAstronomy.com

The B12 class steam locomotive

Steam locomotive

A steam locomotive is a railway locomotive that produces its power through a steam engine. These locomotives are fueled by burning some combustible material, usually coal, wood or oil, to produce steam in a boiler, which drives the steam engine...

was a 2-6-0

2-6-0

Under the Whyte notation for the classification of steam locomotives, 2-6-0 represents the wheel arrangement of two leading wheels on one axle, usually in a leading truck, six powered and coupled driving wheels on three axles, and no trailing wheels. This arrangement is commonly called a Mogul...

locomotive of the Queensland Railways (QR).

The locomotives operated on 1,067 mm (3 ft 6 in) gauge. The “B”, is used to identify the number of coupled wheels, being six coupled wheels for the B12 class, followed by numerals indicating the cylinder diameter of twelve inches.

Builders

Builder	Serial No.	Year	QR No.
Kitson and Company	1986–1993	1874	23–24, 136, 25–27, 137–138
Kitson and Company	2042–2045	1875	28–30, 139
Neilson and Company Neilson and Company Neilson and Company was a locomotive manufacturer in Glasgow, Scotland.The company was started in 1836 at McAlpine Street by Walter Neilson and James Mitchell to manufacture marine and stationary engines...	2275–2275	1877	140–141
Avonside Engine Company Avonside Engine Company The Avonside Engine Company was a locomotive manufacturer in Avon Street, St. Philip's, Bristol, England between 1864 and 1934. However the business originated with an earlier enterprise Henry Stothert and Company.-Origins:...	1179–1181	1877	31–33
Ipswich workshops	2–3	1878	34–35
Dübs and Company Dûbs and Company Dübs & Co. was a locomotive works in Glasgow, Scotland, founded by Henry Dübs in 1863 and based at the Queens Park Works in Polmadie. In 1903 it became part of the North British Locomotive Company.-Preserved locomotives:...	1136	1878	40
Dübs and Company Dûbs and Company Dübs & Co. was a locomotive works in Glasgow, Scotland, founded by Henry Dübs in 1863 and based at the Queens Park Works in Polmadie. In 1903 it became part of the North British Locomotive Company.-Preserved locomotives:...	1137	1878	142
Dübs and Company Dûbs and Company Dübs & Co. was a locomotive works in Glasgow, Scotland, founded by Henry Dübs in 1863 and based at the Queens Park Works in Polmadie. In 1903 it became part of the North British Locomotive Company.-Preserved locomotives:...	1604–1607	1882	15, 16, 18, 17

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