This is not so flexible.

Noise

The passenger environment in a multiple unit is often noticeably noisier than in a locomotive-hauled train, due to the presence of underfloor machinery. The same applies to vibration. This is a particular problem with DMUs.

Obsolescence

Separating the motive power from the payload-carrying cars means that either can be replaced when obsolete without affecting the other.

By country

Africa

Algeria

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