Comparing: Tortoise vs. Waffenträger auf E 100

The development of this assault tank began in Great Britain in 1942. The design was finalized by February 1944, and an order was placed for 25 vehicles. However, by the fall of 1947 only five tanks had been manufactured.

A proposal to mount a large-caliber antiaircraft gun on the chassis of the E 100 tank. The vehicle was to feature either 128- or 150-mm guns with an automatic loading system. However, the design project was never developed.