0-4-4-2

A Swiss narrow gauge 0-4-4-2T locomotive of the RhB in 1908.

In Whyte notation for the classification of steam locomotives by wheel arrangement, an 0-4-4-2 is a locomotive that has no leading wheels, two sets of four driving wheels and two trailing wheels.

Equivalent classifications

Other equivalent classifications are:

Examples

SS 512 or DKA BB10 12 at Ambarawa Railway Museum

0-4-4-2Ts were the first-generation mallets used by Indonesia since the colonial period in late 19th to early 20th century, when Staatsspoorwegen (the state railway company of the Dutch East Indies) ordered 12 units from Hartmann and 4 from Schwartzkopff in 1899–1908, classified as SS Class 500 (501–516) for use on mountain lines in West Java. These locomotives worked mixed trains that transported plantation crops and passengers on the Buitenzorg–Bandung line which opened in 1884.[1] These oil-burned engine had power output of 465 hp (347 kW), which was more powerful and suitable for running the winding mountain terrain with ease compared to older SS locomotives the 2-6-0T (SS Class 300 or DKA C11 and SS Class 400 or DKA C12) which are smaller and slower in size and engine power. The SS 500s were also worked at Rangkasbitung and Banjar. Of the 16 built, only BB10 12 (ex-SS 512) is preserved.

The SS Class 500 was 10.5 m (34 ft 5 in) long with 1,050 mm (3 ft 5 in) diameter wheels and a weight of 44.1 MT ST[convert: unknown unit]. It had a maximum speed of 50 km/h (31 mph). During Japanese occupation in 1942, these locomotives were renumbered to BB10 and used on Saketi–Bayah railway construction which was used as Japanese war effort for coal transports to the southern coast of West Java as from coal mining in Cikotok.[2] This line was also known as "Death Railway" due to its construction using Japanese PoWs and local residents which were known as romusha or force laborers.[3] One of the BB10 (number 05) was used on Indonesian movie titled "Lebak Membara" (1982) produced by Sabirin Kasdani which tells the story about Indonesian fighters during the Japanese occupation. The last mallets were built for Indonesian Railway (DKA) were 4 units of Type BB1n4v by Nippon Sharyo or known as BB80 class (81–84) came in 1962 for narrow gauge (750 mm) railway line in Aceh. The line itself was built in 1876–1917 by Atjeh Tram which was a part of Staatsspoowegen tram division. The BB80s becoming the last Mallets built in the world and the only mallets that were manufactured in Asia. From 4 of them only BB84 is preserved as static display in Banda Aceh.

References

  1. ^ Oegema, J. J. G. (1982). De Stoomtractie op Java en Sumatra (in Dutch). Kluwer Technische Boeken, B. V. ISBN 978-90-201-1520-8.
  2. ^ Yoga Bagus Prayogo; Yohanes Sapto Prabowo; Diaz Radityo (2017). Kereta Api di Indonesia. Sejarah Lokomotif di Indonesia (in Indonesian). Yogyakarta: Jogja Bangkit Publisher. ISBN 978-602-0818-55-9.
  3. ^ Sato, Shigeru (1994). War, Nationalism and Peasants: Java under the Japanese occupation 1942-1945. ASAA South East Asia. ISBN 978-1-56324-545-9.


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