Do trains have automatic transmissions?

Most don't, some do. Most trains are either diesel-electric (like a hybrid car) or straight electric. Some are direct drive diesels, and these are the only ones that would require a transmission in the same sense as your car. Final drives are common in lots of trains, but they're fixed ratio gearboxes.



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Modern electric and diesel-electric locomotives can go in either direction. Their wheels are designed with traction motors to allow forward, backward, or to stay neutral. As a fail-safe, the reverser key is removable, once removed the train will not run.

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The world's first automated, driverless train has been unveiled in Germany's Hamburg.

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Locomotives are equipped with 2 air brake systems: automatic and independent. The automatic brake system applies the brakes to each locomotive and to each car in the train as well; it is normally used during train operations to slow and stop the train.

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High-speed trains can generally reach 300–350 km/h (190–220 mph). On mixed-use HSR lines, passenger train service can attain peak speeds of 200–250 km/h (120–160 mph).

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Trains are Reliable and Stress Free With high-speed rail, train travel is always faster than driving. In many cases, it's even faster than flying, once you factor in the whole air travel song-and-dance. And if you do need to catch a plane, trains make it easier to get to the airport.

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Trains cannot collide with each other if they are not permitted to occupy the same section of track at the same time, so railway lines are divided into sections known as blocks. In normal circumstances, only one train is permitted in each block at a time. This principle forms the basis of most railway safety systems.

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The locomotive connects the bogies well above the center line of the loco wheel. When the loco pulls the frictional force (rolling) times the bogies total weight makes the rear wheels of loco to exert more vertical force (due to moment arm) and this adds up to the loco dead weight.

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Only freight trains have locomotives on both sides and sometimes in the middle also. The reason for that is traction to push or pull heavy loads.

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