Comparing: Bat.-Châtillon 25 t vs. 121B

This experimental tank was a further development of the AMX 13. The tank underwent trials but never entered mass production nor saw service. Two vehicles were manufactured.

The upgraded version of the 121 Chinese medium tank, developed in the 1960s. Unlike the prototype, the 121B was equipped with a modern 105-mm rifled gun, improved suspension, and reinforced front armor. The vehicles of this modification were equipped with infrared lamps and a laser rangefinder. The 121B aiming system had a higher firing accuracy than that of the Type 59.