Passage: The first batch of T-70s were built with a GAZ-202 automotive engine on each side of the hull, one driving each track.  This arrangement was seen to be a serious problem, even before the first tanks were issued.  It was quickly redesigned as the T-70M (although it continued to be referred to as just T-70), with the engines in-line on the right side of the tank and a normal transmission and differential.  The conical turret was replaced by one more easily welded out of plate armour, and moved to the left side of the hull.

Question: What is the name of the redesign
T-70M