T-28 Model 1938 image - V.Metalic

T-28 Model 1938, or T-28B, was improved version of T-28, with new gun, gun stabilization system and engine. According to one source, during Winter War over 200 T-28s were knocked out, but only 20 were totally destroyed. The rest were quickly repaired and send back to the fight. Some of T-28s were repaired durign the course of war even five times.

T-28 Model 1938 was improved after losses sustained during Winter War, with installation of better 76mm gun and new engine. T-26E or T-26C was variant with increased armor thickness (on front from 50mm to 80mm).