Comparing: 121B vs. FV4202

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.

Experimental tank on the basis of the Centurion medium tank. The vehicle was in development from 1956 through 1959, but never saw mass production. Technical decisions and innovations implemented in the FV4202 became the basis for the FV4201 Chieftain.