What’s the difference between a locomotive and an engine?

An image of a black-painted modern diesel locomotive leading a long string of tank cars

Railroaders, and railfans, are always talking about engines: How many engines were on that train? Don’t those new engines look good (or bad)? Did you get the number of that engine? So, what’s the difference between a locomotive and an engine? We use both terms to describe the most compelling element of railroading: the machines […]

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AEI data tags and readers

Image of a gray TransCore AEI (Automatic equipment identification) tag mounted on the side of a red railcar

AEI data tags and readers enable rail cars to be tracked as they move across the North American rail system. The AEI (Automatic Equipment Identification) system consists of passive tags mounted on each side of rolling stock and active trackside readers. The system uses radio frequency and replaces an unsuccessful older optically-based car tracking system […]

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How steam locomotives work

A large black steam locomotive, numbered 1309, emerges from a tunnel trailing a cloud of black smoke

Unlike modern machines, the steam locomotive — which underwent few fundamental changes in 125 years of development — openly displays many of its parts. This mechanical honesty has long captivated onlookers and invited study, but many still wonder just how steam locomotives work. In fact, entire books have been devoted to the subject. There are […]

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ChatGPT and the model railroad: an exploration

An image of anAI generated model railroad layout

One of the hottest topics of the moment is the conversation around artificial intelligence (AI.) If you’ve been paying attention to this conversation, you likely know that Artificial Intelligence programs have made enormous strides forward in just the past few years. These advances have caused disruption and innovation in equal measure in many fields. These […]

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End-of-train devices replaced cabooses

An orange end of train device is seen atop the rear coupler of a passing train

End-of-train devices replaced cabooses that, not so long ago, train watchers almost everywhere could count on as a final point of interest at the end of each freight train. The distinctive little cars housed crew members who would observe the cars ahead for defects, process the train’s paperwork, operate track switches, monitor the air-brake system […]

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LEGO Trackwork basics

LEGO trackwork basics: An image of two people standing behind a table

Trains.com staffers Bryson Sleppy and Rene Schweitzer review LEGO trackwork basics, and the history of LEGO trains and trackwork. Looking for more information on LEGO trains? Watch Bryson and Rene unbox a LEGO City trainset! […]

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Install a Blunami Decoder in a LEGO locomotive

Model Railroader‘s Bryson Sleppy loves LEGO! And of course, he loves “digital” interests in model railroading too! So why not put the two together? That’s exactly what he’s done by adding a SoundTraxx Blunami decoder to control his LEGO 10219 Maersk Train Set locomotive fitted with a battery-powered, motorized truck part. Follow along, and you’ll […]

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Do-it-yourself intermodal containers

Photo of HO scale well car with two intermodal containers.

The photo above shows a pair of HO scale 48-foot intermodal containers that I made using paper, cardstock, and cardboard. If you don’t want white containers, copy or print the drawings found in the link to the pdf below full-size on color paper. I find red or blue paper yields the best looking containers. I […]

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Five finds at model railroad swap meets

Photo of six HO scale freight cars on white background

Five finds at model railroad swap meets. I always look forward to the fall and winter months. No, not because I enjoy raking leaves and shoveling snow. In this part of the country, October through March is peak model railroad swap meet season. These events are held at venues large and small, including county fairground […]

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Class I railroads 101

Class I railroads Class I railroads: If you’re in your car watching a long 100-car freight train roll over a grade crossing, chances are good that the train belongs to one of the Class I systems. The Class Is operate 70% of the total track miles in the U.S., employ 73% of the labor force, […]

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