Comparing: Centurion Action X vs. M60

The Action X turret was planned to be used for later variants of the Centurion tank. One prototype of the turret was mounted on the chassis of the Centurion Mark 7, and another was used for ballistic trials. The vehicles with the Action X turret never entered mass production or saw service.

A deep modernization of the M48 tank. Development of the prototype was started in 1957, and in 1959 the order for production of the first tank was placed with Chrysler. A total of 15,000 vehicles of four modifications were manufactured.