MaK G 1201 BB

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MaK G 1201 BB
MaK G 1201 BB.jpg
Solvay MaK G 1201 BB
Type and origin
Power type Diesel
Builder MaK
Build date 1978[1]
Total produced 1[1]
UIC class B'B'
Gauge 1,435 mm (4 ft 8 12 in)
Wheel diameter 1,000 mm (39.37 in) (new)[1]
Minimum curve 60 m (196 ft 10 in)[1]
Wheelbase bogie centre distance 5.800 m (19 ft 0.3 in)[1]
axle distance 2.400 m (7 ft 10.49 in)[1]
Length 12.500 m (41 ft 0.1 in)[1]
Width 3.100 m (10 ft 2.05 in)[1]
Height 4.220 m (13 ft 10.14 in)[1]
Fuel capacity 2,500 L (550 imp gal; 660 US gal)[1]
Prime mover MTU 8V 396 TC12[1]
Transmission Voith L4r4zU2[1]
Performance figures
Maximum speed 40 km/h (25 mph)[1]
Power output 665 kW (892 hp)[1]

The MaK G 1201 BB is a four axle B'B' diesel-hydraulic off-centre cab locomotive built by the Maschinenbau Kiel in German. The locomotive is designed for shunting and freight work, such as found on industrial railways.


Only one example of this locomotive was built, later orders for a similar purpose were fulfilled by the MaK G 1203 BB which replaced the MTU 331 engine with a MTU 396 engine of increased power.

The locomotive has worked since 1980 at Solvay's plant nr. Rheinberg, Germany.[2]


  1. ^ a b c d e f g h i j k l m n "MaK - G 1201 BB". (in German). 
  2. ^ "Fahrzeugportrait MaK 1000780". (in German).