T-72B1 (Object 184-1)

The T-72B1 (Object 184-1 / Ob'yekt 184-1) is a simplified, lower-cost T-72B variant without the missile firing capability (9K120 missile system) and with the original Ural autoloader.

The B/B1 versions can be found both with and without K1 ERA.

Key features & differences:

• lacks an ATGM capability (9K120)
• same old thin sheet steel guard from the T-72 Ural
• combat load is identical to a T-72A but includes one more APFSDS round
• AZ-172 autoloader and memory system (autoloader of the T-72 Ural)
• anti-radiation panels:
  • added to the back surface of the driver's seat
  • added to the commander's recoil guard
• 1A40 FCS
  
• TPN-3-49 night sight (substitute for the 1K13-49)
  

More information:

• bilibili - T-72B1
• The Soviet Army Blog - T-72
• The Soviet Army Blog - T-72 part 2