SU-100Y Tier 6 Support Tank Destroyer★ Premium / Special tank
Developed on the basis of the T-100 heavy tank. The vehicle was intended to neutralize fortified emplacements and enemy vehicles, and was equipped with the improved B-13-S2 naval gun. The only prototype was manufactured in March 1940. The vehicle never entered mass production.
Marks of Excellence requirements for SU-100Y: beta