In 1946 "200 HTZM" division resumed works on developing heavy prime mover based upon T-54 tank in accordance with government post-war program on making the artillery armament. The mover engineering requirements presented were the following: 25 ton artillery system towing at 35 km/hour in any conditions, 5 ton platform load capacity, 25 ton tractive effort winch availability. Mover chassis should be equipped with earth-moving and special tools and drive gears to operate said tools. Vehicles based on AT-T include: BAT-M, BTM-3, MDK-2M.
