Express Service: MDD 4 diesel shunter

MDD 4 meets all medium shunting requirements. It is powered by a 400kW Tier 4F engine thus the loco is the most ecofriendly diesel shunter in Europe. It is homologated in Switzerland, Italy and Bulgaria and could obtain permission in most EU administrations. Locomotive is extremely economic with idle fuel spending of just 2l/h. Its mass is 42 tons and is optionally radio remote controlled. Of course – it is the most affordable loco of its class amongst all European competitor models.

diesel shunter

Specifications MDD 4 diesel shunter:

Gauge 1435 mm
Transmissions type hydrodynamic
Axle arrangement B
Power of the engine 403 kW
Emissions standard Stage IV Final
Max. speed 60/30 km/h
Length over buffers 9340 mm
Width 3000 mm
Height 4080 mm
Wheelbase 4700 mm
Tara weight 41 t
Wheel dia. new / worn 920 / 860 mm
Starting effort 135 kN
Brakes Axle mounted discs
Operating temperatures (-30) to (+50) C˚
Min. curve radius 80 m


All MDD shunters are simple, robust and easy for service and maintenance. Originating as a locomotive service company we prefer to simplify our new locomotives. Express Service new diesel locomotives are robust, reliable and have the lowest total cost of ownership on the European market. MDD locomotives could be modified to 1520mm track gauge.

If your application allows slower shunting works or is emissions sensitive, please consider our battery-powered shunting vehicles.

Express Service OOD
DZS, Ruse 7011, Bulgaria
Tel. +380 50 3252563
Tel. +359 88 7412838

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