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:

Gauge1435 mm
Transmissions typehydrodynamic
Axle arrangementB
Power of the engine403 kW
Emissions standardStage IV Final
Max. speed60/30 km/h
Length over buffers9340 mm
Width3000 mm
Height4080 mm
Wheelbase4700 mm
Tara weight41 t
Wheel dia. new / worn920 / 860 mm
Starting effort135 kN
BrakesAxle mounted discs
Operating temperatures(-30) to (+50) C˚
Min. curve radius80 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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