[Little Ray]

The Pather was a mechanical nightmare - hard to maintain and prone to breaking down, throwing treats, clogging roadwheels, etc.
IF the Germans had copied the T-34, as they originally intended, or at least kept the design simple, they could have caused all sort of mischief.

[TalonDJ]

IF the Germans had copied the T-34

When late model Shermans went against late model T-34s in Korea the Sherman kicked butt.