The locomotive continued service with the Southern until being retired in 1942 when the Smoky Mountain Railroad purchased No.

107, retaining its number, in order to handle increased traffic during its "boom days", brought about by the construction of the TVA Douglas Dam Project on the French Broad River near Sevierville.

The SMRR hauled materials to the construction site, and the contract netted huge sums of revenue for the road, leading to the only period of prosperity in its history.

In 2025, the locomotive was removed from display at the front entrance of Dollywood and moved to the Knoxville and Holston River Railroad to support the Mountain Ways Foundation.

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