Question: What do the numbers and letters mean on the side of the cab of Union Pacific Challenger 4-6-6-4 No. 3985? — Ben Fairbank, San Antonio, Texas Answer: 21 – 21 4-6-6-4-4-69 ————— 404 UP […]
Tag: Beginners
Ask Trains: What is the meaning behind Union Pacific steam locomotive code numbers?
Question: What do the numbers and letters mean on the side of the cab of Union Pacific Challenger 4-6-6-4 No. 3985? — Ben Fairbank, San Antonio, Texas Answer: 21 – 21 4-6-6-4-4-69 ————— 404 UP […]
Ask Trains: How did railroads use classification lamps and flags?
Classification lights on Dakota, Minnesota & Eastern SD40-2 No. 6090. David C. Schauer Question: When a train displays color flags on the engine indicating “Extra” or “Second” section, how is that information used in the operation of the railroad? — Robert Miller, Hernando, Fla. Answer: A complete answer is available in Trains’ online “ABCs of […]
Ask Trains: What is the purpose of unpowered axles in modern diesel-electric locomotives?
BNSF Railway ES44C4 No. 8338 works at the lead of a freight train. The locomotive’s C4 trucks have only two powered axles in the three-axle trucks arranged in a powered-unpowered-powered arrangement known as A-1-A. Tom Danneman Question: What is the purpose of the A-1-A C4 truck on the BNSF Railway Evolution Series diesels, and how […]
Ask Trains: Why do certain locomotives have reporting marks for different railroads?
What appears to be an Omaha Orange and Pullman Green Great Northern Railway EMD SD9 in 2017 actually is a BNSF Railway unit that had been built in 1959 for Chicago, Burlintgon & Quincy subsidiary Colorado & Southern. For several years, BNSF has assigned Great Northern “GN” reporting marks to some older diesels generally assigned […]
Distributed power braking
BNSF Railway distributed power pushes an eastbound empty coal train at Hathaway, Mont., in June 2014. Tom Danneman Q In two recent issues, Trains stated that distributed power helps maintain trainline air for brakes. How can this be without giving up lead unit control of the brakes? – Jay Noyes, Lowell, Ind. A In distributed […]
Ask MRVP: Episode 42
Having trouble viewing this video? Please visit our Video FAQ page Host David Popp wants YOU to watch this episode of Ask MRVP! If for no other reason than to hear his responses to hobby questions from viewers just like you. Tune in to find out how HO scale locomotives with capacitors run through […]
Ask MRVP: Episode 42
Having trouble viewing this video? Please visit our Video FAQ page Host David Popp wants YOU to watch this episode of Ask MRVP! If for no other reason than to hear his responses to hobby questions from viewers just like you. Tune in to find out how HO scale locomotives with capacitors run through […]
Golden Spike Day on the Westie Line
The Westie Line today Ken Brody Ken Brody The Summer 2019 issue of Garden Railways features the Westie Line. Don’t miss the six-page feature on this gorgeous line! Owner Ken Brody shared these photographs from 1994, when he re-created a Golden Spike event on his line: These two photos were taken 25 years ago during […]
Track Planning for Beginners
When it comes to designing your own model railroad layout, getting your ideas down on paper is the first and most important step. Drawing your plan to scale with a reasonable degree of accuracy will ensure you that your plan will fit your space. Download this free 15-page PDF to learn how to draw accurate […]
Computer desktop wallpaper from the June 2019 Model Railroader
Click on the links at left to download the image sized appropriately for your computer screen. Engineer Ed West checks ahead as he eases his outside-frame Baldwin 2-8-0 – a recent acquisition for the Sandy River & Rangeley Lakes – and its local freight up to the platform at Strong, Maine. Model Railroader contributing editor […]
Track troubleshooting tips and tricks, Part 2: Avoiding derailments at turnouts
Theo Cobb illustration Theo Cobb illustration For each turnout, make sure that the check gauge — spacing between the guardrail and the frog — is correct. Paul J. Dolkos So long as your rails are clean and your rolling stock is fine-tuned, it’s time to inspect your right-of-way for problems. This is the second of […]
