DSB Class MZ

DSB class MZ was a series of 61 diesel-electric locomotives operated by Danske Statsbaner. They were built by NOHAB between 1967 and 1978 under licence from General Motors EMD with subcontractors Thrige-Titan (traction motors) and Frichs (chassis, bodywork). There were four series of the locomotive built, designated I – IV.

Danish MZ Class
DSB MZ 1413
Type and origin
Power typeDiesel-electric
BuilderNOHAB
ModelEMD J30C-2
Build date1967–1968 (I)*
1970 (II)*
1972–1974 (III)*
1977–1978 (IV)*
Total producedtotal: 61
10 (I)*
16 (II)*
20 (III)*
15 (IV)*
Specifications
Configuration:
​
 • UICCo′Co′
Gauge1,435 mm (4 ft 8+1⁄2 in)
Wheel diameter1,015 mm (39.96 in)
Length20.800 m (68 ft 2+7⁄8 in) (I – II)*
21.000 m (68 ft 10+3⁄4 in) (III – IV)*
Height4,260 mm (167+3⁄4 in)
Loco weight116.5 tonnes (114.7 long tons; 128.4 short tons) (I – II)*
121.2 tonnes (119.3 long tons; 133.6 short tons) (III)*
123 tonnes (121 long tons; 136 short tons) (IV)*
Prime moverEMD 16-645E3
Engine typetwo-stroke diesel
CylindersV16 (I – II)
V20 (III – IV)
TransmissionElectric
Performance figures
Maximum speed143 km/h (89 mph) (I – II)*
165 km/h (103 mph) (III – IV)*
Power output2,426 kW (3,253 hp) (I – II)*
2,867 kW (3,845 hp) (III- IV)*
Tractive effort390 kN (88,000 lbf)
Career
OperatorsDanske Statsbaner
Numbers1401–1461
Nicknames AUS Cake Tins, Helgas, Toasters
Sources :
* scanditrain.de

Twenty were sold to Railion Denmark in 2001, two were sold to Spain's COMSA Rail Transport in 2004, and 16 of the III series were exported to Australia in the late 2000s. As of 2010 most of the remainder of the class are divided between various Danish, Swedish and Norwegian companies. In Sweden the locomotives have received the designation TMZ.

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