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Specifications
Specifications
Configuration:;
• UIC	C
Gauge	1,435 mm (4 ft 8+1⁄2 in)
Wheel diameter	1,150 mm (3 ft 9+1⁄4 in)
Length	9.44 m (30 ft 11+5⁄8 in)
Width	3.13 m (10 ft 3+1⁄4 in)
Height	4.29 m (14 ft 7⁄8 in)
Loco weight	40.5 t; 45.0 t (with extra ballast);
Prime mover	MAN W8V17,5/22A
Engine type	Straight-8 diesel
Cylinders	8
Cylinder size	175 mm × 220 mm (6.9 in × 8.7 in)
Transmission	Hydraulic, Voith L37U

Type and origin
Type and origin
Power type	Diesel
Builder	Frichs
Build date	1960–1965
Total produced	120

MH 301–420
MH 301–420
	MH 346 at the Danish Railway Museum (2005).
Power type
Type and origin
Power type	Diesel
Builder	Frichs
Build date	1960–1965
Total produced	120
Configuration:;
Specifications
Configuration:;
• UIC	C
Gauge	1,435 mm (4 ft 8+1⁄2 in)
Wheel diameter	1,150 mm (3 ft 9+1⁄4 in)
Length	9.44 m (30 ft 11+5⁄8 in)
Width	3.13 m (10 ft 3+1⁄4 in)
Height	4.29 m (14 ft 7⁄8 in)
Loco weight	40.5 t; 45.0 t (with extra ballast);
Prime mover	MAN W8V17,5/22A
Engine type	Straight-8 diesel
Cylinders	8
Cylinder size	175 mm × 220 mm (6.9 in × 8.7 in)
Transmission	Hydraulic, Voith L37U
Maximum speed
Performance figures
Maximum speed	60 km/h (37 mph)
Power output	440 hp (330 kW)
Tractive effort	135 kN (30,000 lbf)
Operators
Career
Operators	DSB

The class MH was a class of diesel-hydraulic locomotives of the Danish State Railways (DSB), built by Danish manufacturer Frichs. A total of 120 units, numbered 301–420, were delivered between 1960 and 1965. They were primarily used for shunting and light freight traffic.

Their design was strongly based on that of the slightly earlier MH 201–203 built by Henschel, using the same MAN diesel engine and Voith hydraulic transmission.^[5]

Apart from a few units damaged in accidents, the locomotives were mostly retired between the late 1980s and 2000.^[6]

Notes

^ ^a ^b ^c ^d Løvborg & Mogensen 2000, p. 11.
^ ^a ^b ^c Christensen & Poulsen 2009, p. 207.
^ ^a ^b ^c Lauritsen 1997, p. 27.
^ Olesen 2005, pp. 161–164.
^ Poulsen 2013, p. 93.
^ Christensen & Poulsen 2009, pp. 208–209.

Bibliography

Christensen, Peter; Poulsen, John (2009). MotorMateriel 7: Motormateriellet fra Frichs og Scandia 1932-1978 (in Danish). Bane Bøger. ISBN 978-87-91434-23-5.
Lauritsen, Tom (1997). Danske lokomotiver og motorvogne 1997 (in Danish). Frank Stenvalls Förlag. ISBN 91-7266-141-0.
Løvborg, Eilert; Mogensen, Peter, eds. (2000). DSB materiel i drift (in Danish) (2nd ed.). DSB drift. ISBN 87-7025-011-1.
Olesen, Thomas Nørgaard (2005). Lokomotivfabrikken Frichs (in Danish). Dansk Jernbane-Klub. ISBN 87-87050-52-8.
Poulsen, John (2013). MotorMateriel 8: Motormateriellet fra tyske fabrikker efter 1945 (in Danish). Bane Bøger. ISBN 978-87-91434-37-2.