The MaK G 1204 BB is a four axle B'B'

diesel-hydraulic locomotive A diesel locomotive is a type of railway locomotive in which the power source is a diesel engine. Several types of diesel locomotives have been developed, differing mainly in the means by which mechanical power is conveyed to the driving whee ...

with and off centre cab design built by

MaK Mak may refer to: People *Mak Dizdar (1917 - 1971), Bosnian poet *Muhammad Arshad Khan, Pakistani painter popularly known as "MAK" *Alan Mak (director) (born 1968), Hong Kong film director * Alan Mak (politician) (born 1984), British Member of Pa ...

Kiel, Germany Kiel ( ; ) is the capital and most populous city in the northern German state of Schleswig-Holstein. With a population of around 250,000, it is Germany's largest city on the Baltic Sea. It is located on the Kieler Förde inlet of the Bay of Kiel ...

. Eighteen of these light freight and shunting locomotives were built which were used mostly on German industrial railways, two units have worked for the

Swiss Federal Railways Swiss Federal Railways (, SBB; , CFF; , FFS) is the national railway company of Switzerland. The company was founded in 1902 and is headquartered in Bern. It used to be a State-owned enterprise, government institution, but since 1999 it has be ...

and received the class designation ''Am 842''.

History and design

The class are development of the 1978 MaK G 1202 design; both locomotives have the same exterior dimensions but the G 1204 has a 1,120 kW MTU 12V 396 of slightly increased power over the MTU 12V 331 engine used in the G 1202.

Operators

Ruhrkohle AG RAG AG, formerly Ruhrkohle AG, is the largest German coal mining corporation. The company headquarters are in Essen in the Ruhr area. The company was founded on 27 November 1968, consolidating several coal mining corporations into the Ruhrkohl ...

operated 6 of the class, Wanne-Herner Eisenbahn und Hafen 2, NIAG 2,

Osthannoversche Eisenbahnen The Osthannoversche Eisenbahnen AG (OHE) is a Celle based transportation company with railway network in North-eastern Lower Saxony around the Lüneburg Heath area of over 250 km. The OHE's main business is the transportation of freight ...

2, Westfälische Landes-Eisenbahn 2, and Sersa of Switzerland 3, with one locomotive operating under a number of different companies. Two units originally working for Sersa were transferred to the Swiss Federal Railways in 1993 and operate as SBB Am 842.000 and SBB Am 842.001.

References

MaK locomotives Standard-gauge locomotives of Switzerland Railway locomotives introduced in 1981 {{Europe-rail-transport-stub

History and design

Operators

See also

References