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by The Imperial Federation of The Austro Germanic Union. . 46 reads.

E-75 development

E-75 Heavy Tank Development

The E-75 heavy tank family was a series of tables based off the previous work of the Tiger II, all being unified under the Entwicklung program. The program called for the standardization of parts and designs, with a heavily modified Tiger II design, to become the standard 75 ton heavy tank of the Union.


Pre Entwicklung Designs


Panzerkampfwagen VI Tiger II(P)


Panzerkampfwagen VI Tiger II(H)


Official Developments


Panzerkampfwagen VII E-75 ausf A Mit 8.8cm KwK 43

The E-75 Ausf. A was the first of the E-75 heavy tanks, appearing on the tail end of the German Civil War in 1944. It was created after performance of the Tiger II saw good statistics, but extreme unreliability, which saw it brought into the fold of the Entwicklung project, which heavily redesigned it internally.
However, compared to its predecessor it is visually quite similar, as it carries the same gun, the same layout, the same turret design, and hull. But it differs in its addition of a rangefinder on the turret, a greater slope degree, and increased hull armor to 160mm, and increased turret armor of 200mm. Internally it also features a heavily redesigned transmission, which greatly increased its durability and reliability, and a much more powerful Diesel engine, which gave the tank far greater performance and reliability.


Panzerkampfwagen VII E-75 Ausf. B Mit 8.8cm KwK 46

The E-75 Ausf. B saw its introduction during the final days of the civil war, being designed to fight the Panther 3 and Tiger 3, which it did fight with its extremely powerful 8.8cm L/96, which it could dispatch both of its opponents with reasonable efficiency. After that it saw service against poland and Lithuania, which it served as a spearhead. Unfortunately, the sheer length of the gun made it extremely unwieldy, and liable to get stuck on terrain.


Panzerkampfwagen VII E-75 ausf. C Mit 10.5cm KwK 47

The E-75 Ausf. C design actually was the last to serve in wartime, being introduced just befor the war with Italy. With its upgraded engine, rangefinder, and gun, it was unmatched compared to its contemporary heavies, such as the 45M Ts, the ARL-44, and The IS-2. It was upgunned to a 10.5cm KwK 47, which significantly upped stopping power, with significantly more post pen damage than the 8.8cm. Unfortunately, however, many were lost in the alps in the offensives against Italy.


Postwar Developments & The 12.8cm Gun

Panzerkampfwagen VII E-75 Ausf. D Mit 12.8cm KwK 48

Many have postulated the proposed mating of the 12.8cm PAK 44 with the E-75. It would be one of the greatest armored vehicles of its time, as believed by many. With the pairing of the most potent antitank gun the Union has to offer with the E-75, it created the E-75 Ausf. D, a tank with a troubled development, spurred by soviet armor, only to flop spectacularly.

It was designed during the final year of WW2 to tackle the new IS-3 Soviet heavy tank that had emerged, which Id did with its new 12.8cm cannon. It was tested in the summer of 1948 at the Munich tank grounds, set up in 1945 for vehicle testing, where it proved to have excellent stopping power, able to knock out nearly any tank it encountered. Unfortunately, it was considered too cramped and uncomfortable to operate, and the weight slowed turret traverse, and overall performance of the vehicle, testing was ended in 1949


Panzerkampfwagen VII E-75 Ausf. E Mit 12.8cm KwK 52

The Ausf. E E-75 was the last of the German heavy tanks, being superseded by the main battle tanks that proved far more versatile. It was essentially a retake on the 12.8cm Tiger. Compared to the Ausf. D, it used the lessons learned from it to great success. It featured a supercharged 1500hp M540 Diesel engine, which helped offset the weight of the gun, making it comparable to the Ausf. C in mobility. The gun itself was also redesigned, with a new muzzle brake. The biggest difference would be the turret, which was enlarged to provide better space for the crew, which greatly increased crew comfort, now that it wasnt so cramped. It saw limited service, but with the MBT concept becoming widespread, it was phased out in the 60s.



Surviving Vehicles

There are many examples of E-75s still around even after many decades, so here is a definitive list of vehicles, and includes the name, battalion, and manufacturing date(if not known, it wont be shown), and will designate if they are in running order or non functional


Ausf. A Vehicles


  • Tiger 113, 417th Schwere Panzerabteilung, roughly September of 1944, Non functional

  • Tiger 139, 509th Schwere Panzerabteilung, roughly September of 1944, Non functional

  • Tiger 124, 511th Schwere Panzerabteilung, Non Functional

  • Tiger 101, 417th Schwere Panzerabteilung, early october 1944, Functional

  • Tiger 144, 403rd Schwere Panzerabteilung, non functional

  • Tiger 158, 503rd Schwere Panzerabteilung, October 1944

  • Tiger 163, 488th Schwere Panzerabteilung, January 1945, Non functional

  • Tiger 168, 211th Schwere Panzerabteilung, December 1944, functional.



Ausf. B Vehicles

  • Tiger 176, 211th Schwere Panzerabteilung, Non Functional

  • Tiger 181, 517th Schwere Panzerabteilung, Functional

  • Tiger 196, 417th Schwere Panzerabteilung, mid 1946, Non Functional



Ausf. C Vehicles

  • Tiger 213, 509th Schwere Panzerabteilung, Non Functional

  • Tiger 211, 503rd Schwere Panzerabteilung, Non Functional

  • Tiger 275, 588th Schwere Panzerabteilung, Early 1947, Non functional

  • Tiger 301, 313th Schwere Panzerabteilung, Non Functional

  • Tiger 337, 498th Schwere Panzerabteilung, Non Functional



Ausf. D Vehicles

  • Tiger 513, Not assigned to any unit, May 2nd, 1948, Non Functional

  • Tiger 514, Not assigned to any unit, July 1948, Functional



Ausf. E Vehicles

  • Tiger 515, 503rd Schwere Panzerabteilung, September 1952, Non Functional

  • Tiger 523, 503rd Schwere Panzerabteilung, December 1952, Functional

  • Tiger 537, 517th Schwere Panzerabteilung, February 1953, Functional



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