|Engine Power (hp)||650|
|Speed Limit (km/h)||20|
|Standard Shell Penetration (mm)||128 - 214|
|Standard Shell Damage||120 - 200|
|Rate of Fire (rounds/min)||14.3|
Assault tank conceived for breakthrough attacks on enemy fortifications. The design project was ready on October 5, 1943. No prototypes were built. However, the project became the basis for the A39 Tortoise heavy assault tank.