Category Archives: Toy trains

Repair a Lionel train motor

If you want to fix a Lionel train, what you probably really need to do is repair a Lionel train motor. There isn’t much to the rest of the train.

The motors tend to be pretty rugged and they’ve held up over the years. Most “repairs” are really more of a clean and service job, not unlike taking your car in for an oil change. Here are some general principles to follow when you clean and service a Lionel motor.

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All about the Lionel RW transformer

The Lionel Multi-control Trainmaster RW is a sturdy tin box of a transformer from early in the postwar era. The presence of a whistle controller is the only thing that really distinguishes it from a prewar transformer. Lionel made it from 1948 to 1954. If you want to know all about the Lionel RW transformer, you’ve come to the right place. You probably won’t find a copy of the original instruction manual online but this will tell you all you need to know.

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All about the Lionel KW

The Lionel KW is the second most powerful, and second most popular Lionel transformer of the 1950s and 1960s. If the Lionel ZW was Lionel’s Cadillac, the KW was Lionel’s Buick. It was a 190-watt transformer and Lionel sold it from 1950 to 1965. It replaced Lionel’s 150-watt ZW lookalike, the VW.

Finding original KW instructions or an original KW manual online is a bit difficult, but there’s plenty the original instructions don’t mention.

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All about the Lionel ZW

The Lionel ZW is Lionel’s most iconic transformer of the 1950s and 1960s, and perhaps one of its most iconic products, period. Everyone wanted the two-handled, football-shaped, 275-watt powerhouse that was the ZW. It was one of Lionel’s more venerable postwar products, lasting on the market for 18 years from 1948 to 1966. It replaced Lionel’s former top-of-the-line transformer, the Z.

Finding original ZW instructions or an original ZW manual online is a bit difficult, but there’s plenty the original instructions don’t mention.

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Lionel KW diode installation

Lionel transformers use a selenium rectifier disc to produce a jolt of DC voltage to activate their train whistle. These discs degrade over time, so a decades-old transformer often produces a pretty anemic whistle–even one of the bigger transformers like the 190-watt Lionel KW. Replace the disc with a diode for a cost effective and reliable fix for that wimpy whistle. Here’s a step by step guide to a Lionel KW diode upgrade.

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