🇺🇸XM69 Hacker (Medium Tank-11, techtree, mechanic: Pneumatic Gyrostabilizer)
Mobility:
• Power-to-weight ratio: Increased from 21.00 to 21.08 hp/t
• Fuel tank mass: Reduced from 300 to 100 kg
• Vehicle weight: Reduced from 50,000 to 49,800 kg
🇺🇸T803 (Heavy Tank-11, techtree, mechanic: Semi-Automatic Ammo Rack)
Mobility:
• Power-to-weight ratio: Increased from 17.17 to 17.22 hp/t
• Fuel tank mass: Reduced from 300 to 100 kg
• Vehicle weight: Reduced from 60,000 to 59,800 kg
🇺🇸Black Rock (Heavy Tank-11, promotional, mechanic: Burst Fire Mode)
Mobility:
• Power-to-weight ratio: Increased from 17.27 to 17.34 hp/t
• Fuel tank mass: Reduced from 300 to 100 kg
• Vehicle weight: Reduced from 55,000 to 54,800 kg
🇨🇳BZ-79 (Heavy Tank-11, techtree, mechanic: Liquid-Fuel Booster)
Mobility:
• Power-to-weight ratio: Increased from 13.08 to 13.12 hp/t
• Fuel tank mass: Reduced from 300 to 100 kg
• Vehicle weight: Reduced from 65,000 to 64,800 kg

Nice….