The Lionel Hudson Type 4-6-4-Locomotive No. 685 was only available in 1953. Based on a Santa Fe prototype, this engine was equipped with Magnetraction, smoke, drive rod connecting rod valve gear, and there was a whistle in the tender. It came with both rubber and heat-stamped numbering of the cab and it shares the same boiler casting with the O27 gauge No. 2055. There are three variations:

Variation A: Came with a No. 2046W tender that had bar-end trucks a magnetic coupler. Has raised embossing on the drive rods. Early 1953 production..

Variation B: The number "685" is rubber-stamped in SILVER on the cab.

Variation C: Same as Variation B except that the number is heat-stamped in WHITE on cab.
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