|Engine Power (hp)||360|
|Speed Limit (km/h)||26|
|Standard Shell Penetration (mm)||78 - 106|
|Standard Shell Damage||38 - 63|
|Rate of Fire (rounds/min)||21.4|
The A22 prototype was built by Vauxhall Motors in the fall of 1940. The vehicle first entered mass production in the summer of 1941. Early modifications had no track fenders, a different fan, and a 3-inch howitzer in the hull. A total of 300 Churchill I tanks were manufactured.