===T6A2B===The T6A2B was produced for the Sofia network, of which 40 were delivered in 1991 followed by a second batch of 17 in 1999.
=== T6A2B ===T6A2B производился для Софийской колеи (1009 мм); 40 поступил в 1991, и 17 в 1999 году.