Panzer 74, a Swiss Cold War heavy tank prototype with

WW2 German Heavy Tank Prototypes Archives - Tank Encyclopedia

のオンラインショップ PANZER The German Tanks Encyclopedia

Tank - Armoured Warfare, WWII, Mobility

Tank - Armoured Warfare, WWII, Mobility

Tanks of the interwar period - Wikipedia

Some real-life tanks that I think would fit well into the game (with the appropriate balance changes, of course): : r/WorldofTanks

Cold War Swiss Prototypes Archives - Tank Encyclopedia

Swiss Tanks and Armoured Fighting Vehicles

Tank - Armoured Warfare, WWII, Mobility

UK faces huge hurdle in Challenger 3 tank upgrades

Swiss Panzer 74 info Secret Projects Forum

120mm Gun Tank M103 heavy tank (1953)