|Engine Power (hp)||1000|
|Speed Limit (km/h)||45|
|Standard Shell Penetration (mm)||221 - 299|
|Standard Shell Damage||360 - 600|
|Rate of Fire (rounds/min)||4.5|
A variant of the AMX M4 heavy tank based on the Project 141 with reinforced front armor. It was planned to enhance the front armor by mounting a 280-mm armor plate. Existed only in blueprints.