Comparing: T-10 vs. Type 4 Heavy

Development started in 1949. The vehicle entered service in 1953 under the designation T-10. Subsequent development yielded several modifications of the tank, the most mass-produced being the T-10M. Approximately 2,500 vehicles were produced.

The Type 4, also known as the Type 2604, is a variant of the superheavy O-I tank that was developed during World War II. The vehicle was designed for breakthrough attacks on enemy fortifications as well as for coastal defense.