Later variants had a rotating periscope for the driver, a new exhaust arrangement, a new mantlet design to eliminate the shot trap and a new engine deck layout with a raised fan cover.

• 后期的变化是有一个供驾驶员使用的可旋转的潜望镜，一个新的废气管的排列方式。和设计了一个新的火炮护盾去防止射击时候的损伤。