Why didn't the Germans mounted the 7.5cm pak 40 on armored tank

7.5 cm Pak 40, Forgotten Hope Secret Weapon Wiki

88 mm anti-tank gun Pak 43 > WW2 Weapons

What is the truth about German tanks and track guards (Schurzen)? Were they designed to be used together or not? If not, why would this be the case if the track guards

Sd.Kfz.135 'Marder I' - Germany - War Thunder - Official Forum

Why did Nazi Germany build tank destroyers with thick armor like Jagdtiger instead with thin armor but a powerful engine so it can shoot and move to another position fast enough?

A Bundeswehr tank officer told me 'a Chieftain is an improved Centurion', did he have a point? - Quora

Vehicle facts appendix with pictures - Warsaw II: The Tank Battle at Praga, July-September 1944

What are the differences between the M3 Lee tank and the German StuG III? - Quora

Would a compact tank destroyer armed with a 75mm gun similar to a Pak 40 or a 75 mm L70 be good for ambushing convoys? Something similar to the Waffentrager in design