Production: 1950 - 1965

History
The KW Transformer is the second largest transformer produced by Lionel during the postwar years. With 190 watts and the ability to run two sets of trains, it remains a desirable transformer today -- just as it did in the 1950's and 1960's.

Features
Standard features of the KW include:

• 190 watts
• Dual controls to run two independant trains
• Dual directional controls
• Horn and whistle controller
• Circuit breaker
• Constant 14 volt output terminal post

Additional Detail, Photos & Box Information
Dimensions of the KW are: 7" wide, 7" deep and 7 1/2" high.

Only Known Variation - Shown in the photo above - There were no variations to the KW transformer although its box did have several different variations.