BB18 1/4 No.1072

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This old photograph shows 1072 ready to depart Top Points in 1983. 1072 is a 4-6-2 'Pacific' locomotive built in 1956 for passenger trains on the Queensland Government Railways (QGR). In preservation it has been named 'City of Lithgow'. |
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The unusual class designation 'BB18 1/4' comes from the QGR practice of describing 'B' for 6-coupled engine, 'BB' etc for improved design, and the class number (18 1/4) from the cylinder diameter in inches. Similarly, 'A' denotes 4 coupled wheels, 'C' denotes 8 coupled wheels, and 'D' denotes a tank locomotive! Beyer-Garratt articulated locomotives (like 402) were too hard to classify; they were simply known as 'Garratts'!
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