The T1 Howitzer Motor Carriage was created in the fall of 1930 on the T2 chassis. The design incorporated components of the T1 Cunningham. Due to the Great Depression, all work on the project was discontinued at the prototype stage.
Time for the successive autoreloading of each shell into the magazine.
The technical characteristics shown are for the Siege mode
Characteristics are specified for a vehicle with crew members trained to 100%.