From TheBestLinks.com
Diesel multiple units (DMUs) are regional rail cars which contain both passenger accommodations and propulsion. Diesel engines, electric generators and electric motors are located below the passenger compartment.
Because they are self-propelled, no large locomotive engine is required. The train "scales" well (I.e. adding additional cars automatically adds power). Distribution of the propulsion among the cars also results in a system that is less vulnerable to single-point-of-failure outtages.
Because they operate on diesel, there is no need to run overhead electric lines or electrified track, which can result in lower system construction costs.
External links
- DMU manufactuers include:
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