The Russian steam locomotive 2-3-2 K "Krasnaya Strela" ("The Red Arrrow") was designed
by L. Lebedyansky and the first unit was built in 1937 by Kolomna Locomotive-Building Works.
It was a locomotive for the passeger express trains between Moscow and Leningrad
(now St. Peterburg), running with the speed 160 km/h. The fairings and the roller
and needle bearings were used to realize required parameters, and the tender had the booster
engine. In a photo you see 2-3-2 K N2. 
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Photo: unknown author, 1938.
Scan by Oleg V. Izmerov <press@admin.bryansk.ru>