Lionel 1666 2-6-2 steam locomotive with 2666T tender O Gauge Pre War. Pre Owned Good Condition “See Pictures”The Lionel 1666 steam locomotive paired with the 2666T tender is a classic O-gauge model from the prewar era, specifically produced between 1938 and 1942. The 1666 is a 2-6-2 Prairie-type locomotive featuring a die-cast metal body, operating headlight, and a three-position E-unit for direction control. The 2666T tender is a non-whistle tender with a metal body and typically includes box couplers. Pre Owned Good Condition “See Pictures”. The Lionel 1666 steam locomotive paired with the 2666T tender is a classic O-gauge model from the prewar era, specifically produced between 1938 and 1942. Sorry, our items are NOT available for pick-up. No additional information at this time. You might also like. MTH Rail King Denver Rio Grande Tank Car O scale (30-7315). MTH Rail King Pennsylvania Gondola w/Crates O scale (30-7209). MTH Rail King NYC Semi-Scale Tank Car O scale (30-7310). MTH Rail King Erie Lackawanna Boxcar O scale (30-7428).