Armored trains were used by both sides on the Eastern Front during WWII. In fact their use began at the end of WWI and was further developed between the wars in the conflicts in Eastern Europe. Both the "Reds" and "Whites" factions fighting for control of Russia used armored trains in considerable numbers during the Russian Civil War, as did Poland at the beginning stages of WWII. Once WWII began, the Germans had to catch up on their armored train proficiency to help protect reinforcements and supplies from reaching the eastern front since they were constantly harassed by local partisans. As the Red Army grew in strength and the front became more fluid, there were a number of battles and skirmishes between tanks and armored trains.
Each German armored train BP42 would also contain at least two howitzer cars. One would housed the train's kitchen while the other one had a sick-bay. This 37 MT car carried an armoured turret fitted with a low-velocity 100 mm field howitzer taken from the Polish army. Dubbed a 10 cm FH 14/19 (p), it weighed 1,550 kg, had a rate of fire of 8 rpm, and a 9.8 km maximum range. The car would also house 225 shells that weighed 16 kg. Sold Out!