What is the life expectancy of a diesel locomotive?

What is the life expectancy of a diesel locomotive? Back in the early days of dieselization (1940's and 1950's) the rule of thumb was 15 years.. and most first generation diesels operated for about that many years. but now 20-30 years is closer to average.



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The life expectancy of diesel-electric and electric locomotives is expected to be similar—about 25 years. Both types of motive power are subject to technological obsolescence.

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Santie Oil stocks train engine oil in 40–60-gallon drums or 40–260-gallon totes to help diesel mechanics keep locomotives in top condition. The Federal Railroad Administration requires train engine oil to be changed every 180 days (formerly 92 days), and the time may be extended based on the oil's condition.

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Ever check out the list prices of brand-new main line diesel-electric locomotives? They are expensive – about $3 million each.

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Fuel Tank. This huge tank in the underbelly of the locomotive holds up to 5,500 gallons (20,820 liters) of diesel fuel, plus an additional 300 gallons (1,135 liters) of coolant, and 250 gallons (946 liters) of engine oil.

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Hydrogen-powered fuel cells, combined with batteries to store electricity, would be a zero-emissions solution to replace the diesel-electric locomotive, Moslener says.

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Engines may be left idling to maintain important safety related functions such as maintaining engine temperature, air pressure for the brake system, the integrity of the starting systems, the electrical system and providing heating or cooling to a train's crew and/or passengers.

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Trains can move 1 ton of freight around 500 miles on 1 gallon of fuel.

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When it's moving at 55 miles an hour, it can take a mile or more to stop after the locomotive engineer fully applies the emergency brake. An 8-car passenger train moving at 80 miles an hour needs about a mile to stop.

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The Union Pacific Centennial is the largest and most powerful diesel locomotive ever built.

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Power plant capacity is far greater than any individual locomotive uses, so electric locomotives can have a higher power output than diesel locomotives and they can produce even higher short-term surge power for fast acceleration.

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Yes, locomotive engines typically have a toilet, also known as a lavatory or restroom, for the use of the crew members who operate the train.

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Power plant capacity is far greater than any individual locomotive uses, so electric locomotives can have a higher power output than diesel locomotives and they can produce even higher short-term surge power for fast acceleration.

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Unlike a steam locomotive, diesels could also operate “back-to-back” with a cab facing in either direction. With an MU-equipped cab unit (or “A Unit”) on each end, yard crews did not need to turn them, saving the railroad time and money.

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