Ask Trains: Tank car color schemes

A line of white-painted railroad tank cars with a swath of green grass in the foreground, framed by a tree branch

Q What is the meaning of tank car color schemes? Is there a color code? Some tank cars have a contrasting horizontal stripe on the middle section of the tank, while other tank cars are painted a solid color. Since some tank cars carry hazardous or toxic chemicals while others carry edible materials, are the […]

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Who built the steam locomotives

A steam locomotive rolls along under a dense black cloud of exhaust smoke

Who built the steam locomotives? In the transportation business of today, “Big Three” invariably means General Motors, Ford, and Chrysler, the dominant U.S. domestic automakers. But just a few decades ago, when the manufacture of steam locomotives was a bellwether American industry, “Big Three” could only have meant Alco, Baldwin, and Lima. Maybe these great […]

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Blue flags

The side of a yellow and blue locomotive inside a maintenance facility. A blue metal sign hangs from the cab window, labeled in white with the words STOP Employees at Work

Blue flags protect workers. Here’s how they work. A major consideration in railroad operation is the maintenance that must be done on the rolling stock and track if freight and passengers are to be transported in a safe and timely manner. To maintain cars and locomotives, workers must get on, in between, and under them. […]

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Diesel engines: four strokes and two

Eight grimy diesel locomotive cylinders held upright in a yellow rack inside a maintenance building

What’s the difference between a four-stroke diesel engine and a two-stroke engine? It’s more than just a matter of numbers, as Vernon L. Smith explained in “Cycles and Cylinders,” in the May 1979 issue of Trains Magazine: A four-cycle engine requires four strokes of the piston, covering two revolutions of the crankshaft, to complete one […]

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Connecticut orders six dual-mode locomotives from Siemens

Blue and silver locomotive with red trim in urban setting

NEW YORK — The Connecticut Department of Transportation is ordering six dual-mode locomotives from Siemens Mobility for use on the MTA Metro-North Railroad, adding to an earlier Metro-North order for 27 such units placed in 2020. The newly ordered locomotives will be delivered through 2027. Overall, the contract includes options for up to 171 locomotives […]

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Must-See Big Steam for Fall 2023

611_night

Labor Day has concluded and so has – unofficially – the 2023 summer. The busy season for museums and tourist railroads may be wrapping up, but as cooler weather begins to roll in you can still add some steam to the mix! These are the big locomotives scheduled to operate when the foliage changes colors […]

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Ask Trains.com September 2023 compilation

One man standing behind a table

Ask Trains.com September 2023 compilation: Cody Grivno answers viewer questions regarding what railfans mean by the term “tri-clops,” industries that receive coal, modeling at-grade crossings between two railroads, why the HO scale Soo Line Red Wing Division is his favorite Model Railroader project railroad, and more! Are you looking to learn more about your model […]

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Alco C420 diesel locomotive

A commuter train powered by a diesel engine running long-hood-foward passes passenger platforms on either side of a triple-track mainline.

In the early 1960s, The Alco C420 diesel locomotive hit the market, part of the builder’s Century Series, a line of diesel locomotives designed to answer any operating requirement railroads could imagine. One of the designs was the Century 420, a four-axle, 2,000-horsepower diesel locomotive built upon the years of experience gained from earlier RS2, […]

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Durbin & Greenbrier Valley acquires Heisler built in 1929

Rusted steam locomotive

CASS, W.Va. — Cass Scenic Railroad operator Durbin & Greenbrier Valley Railroad has acquired a two-truck Heisler locomotive, Builder’s No. 1589, from Stuart Thayer of Thomas, W.Va., bringing to three the number of Heisler locomotives on Cass and DGVR property. Built in September 1929 for Fisher Lumber Co. of Holly Grove, Ark., as its No. […]

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