You can pay attention to the new design of on-board screens, installation of remote sensing, smoke grenade launchers. The gunner saved a rangefinder sight 1-X42. In general, it remains SUO1A33. For a not very demanding customer, for example from Africa - more than enough.
In general, it is possible to note a good cover of the frontal projection of the DZ, incl. and attention to the protection of the onboard projection (power screens protect the sides to the MTO).
Towers tanks T-64B1 before modernization.