The vehicle was developed on the basis of the Churchill tank. The cabin with the 3-inch gun was placed in the front. Initially, 100 vehicles were ordered. Later, the order was reduced to 24 vehicles. Eventually, a total of 50 vehicles were manufactured from 1941 through 1942. However, they never saw action.
The technical characteristics shown are for the Siege mode
Characteristics are specified for a vehicle with crew members trained to 100%.