MÁV Class M44

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Skansen w Chabówce - lokomotywa Sm4101.JPG
SM41 locomotive
Type and origin
Power type Diesel
Builder Ganz-MAVAG
Build date 1961
UIC class Bo′Bo′
Gauge 1,435 mm (4 ft 8 12 in)
Wheel diameter 1,040 mm (40.94 in)
Length 11,278 mm (37 ft 0 in)
Width 4,440 mm (14 ft 7 in)
Loco weight 61.67 t (136,000 lb)
Cylinders 16
Transmission Electric
Loco brake Knorr
Performance figures
Maximum speed 80 km/h (50 mph)
Power output 441 kW (590 hp)
Tractive effort 182.6 kN (41,050 lbf)
Operators PKP
Class SM41

SM41 is the Polish code-name for a Hungarian shunting diesel locomotive, exported to Poland from Hungary and in service by PKP.


The SM41 is later version of the SM40 locomotive. The only differences are:

  • Simplified electro-pneumatic steering
  • Railings along both sides


See also[edit]