Developed from 1969 through 1971 as a modernization of the Strv 103. Unlike the previous Strv 103A version, the Strv 103B was equipped with a more powerful gas-turbine engine, laser rangefinder, and infrared devices. The vehicle also accommodated the mounting of amphibious add-on equipment. In 1970, 220 vehicles went into service. At the same time, the vehicles of the previous modification were converted to the Strv 103B, which resulted in a total of 290 vehicles by 1971.
Time for the successive autoreloading of each shell into the magazine.
Characteristics are specified for Siege mode.
Characteristics are specified for Rapid mode.
Characteristics are specified for vehicles with crews trained to 100%.