And now there are five.
In 2112 the Russian Railways returned to service a P36 class 4-8-4. Since then four more have been overhauled and now are in "Retro Train service. The latest is the P36-0110 which was removed from static display in Chita a little over a year ago. Here it is shown on the annual "Victory Day" train in Moscow with P36-0120 A third locomotive, the P-36-0027 was steamed up as a back up locomotive. The Russian Railways has one of the worlds largest steam programs around. It is also not well known about in the west.