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MaK G 1204 BB

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Diesel-hydraulic locomotive
MaK G 1204 BB
Type and origin
Power typeDiesel-Hydraulic
BuilderMaschinenbau Kiel (MaK)
Build date1981–1991
Total produced18
Specifications
Configuration:
​
 • UICB'B'
Gauge1,435 mm (4 ft 8+1⁄2 in)
Wheelbasebogie centre 5.800 m (19 ft 0.3 in)
Length12.500 m (41 ft 0.1 in)
Width3.100 m (10 ft 2.05 in)
Height4.220 m (13 ft 10.14 in)
Loco weight72–88 t (71–87 long tons; 79–97 short tons)
Fuel capacity2,500 L (550 imp gal; 660 US gal)
Prime moverMTU 12V 396 TC13
TransmissionVoith hydraulic L5r4U2
Performance figures
Maximum speed42 km/h (26 mph)-80 km/h (50 mph)
Power output1,120 kW (1,500 hp)

The MaK G 1204 BB is a four axle B'B' diesel-hydraulic locomotive with and off centre cab design built by MaK in Kiel, Germany. 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 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 operated 6 of the class, Wanne-Herner Eisenbahn und Hafen 2, NIAG 2, Osthannoversche Eisenbahnen 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.

See also

References

  1. ^ "MaK - G 1204 BB". www.loks-aus-kiel.de (in German).
  2. "MaK - G 1202 BB". www.loks-aus-kiel.de (in German).
  3. "Fahrzeugportrait MaK 1000819". www.loks-aus-kiel.de (in German).
  4. "Fahrzeugportrait MaK 1000878". www.loks-aus-kiel.de (in German).
  5. "Fahrzeugportrait MaK 1000879". www.loks-aus-kiel.de (in German).
MaK/VSFT/Vossloh Kiel locomotives
1st generation
1954–1967
2nd generation
1965–1978
3rd generation
1977–2016
Light shunters
Heavy shunters/Light locomotives
4th generation
2001–2016
Light shunters
Heavy shunters/Light locomotives
Line locomotives
5th generation
2008–present
Light shunters
Heavy shunters/Light locomotives
6th generation
2022–present
Export builds
[REDACTED] and [REDACTED] locomotives
Experimental locomotives and rebuilts
Locomotive types in italics are in production. G-type locomotives have diesel-hydraulic transmissions, DE-type locomotives have diesel-electric transmissions.
Switzerland Standard gauge locomotives of Switzerland
BLS
Electric
Diesel
Type Re 6/6 No. 11611.
SBB-CFF-FFS
Steam
Electric
Experimental and prototypes
Diesel
Experimental and prototypes
Electro-diesel
SOB / SZU
Electric
See also
Category:Locomotives of Switzerland
Swiss locomotive and railcar classification
History of rail transport in Switzerland
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