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.

David Farquhar is a computer security professional, entrepreneur, and author. He has written professionally about computers since 1991, so he was writing about retro computers when they were still new. He has been working in IT professionally since 1994 and has specialized in vulnerability management since 2013. He holds Security+ and CISSP certifications. Today he blogs five times a week, mostly about retro computers and retro gaming covering the time period from 1975 to 2000.








