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T66 75mm Gun Motor Carriage


Country of Origin/Used by: USA
First Produced/Service Dates: 1942
Manufactured by: Chevrolet Division of General Motors
Crew: 5?
Armament: Main: (1) 75mm Cannon; Anti-Aircraft Defense: (1) .50 Caliber Machine Gun
Engine: (2) 8-Cylinder Gasoline (Cadillac Liquid-cooled)
Miscellaneous Info: Although the T19E1 Armored Car was deemed too heavy and not adopted, the vehicle's chassis showed promise. At the request of Tank Destroyer Command, a new open-topped turret was fitted to the chassis, mounting the M3 75mm gun. The vehicle was designated T66 75mm Gun Motor Carriage. The vehicle's performance was good, but still deemed too heavy for an efficienct reconnaissance vehicle.  Thusly, it was not adopted.  However, along with the T19E1, the T66 was also tested by the British Desert Warfare Board and found to be superior to the T17E1 Staghound.  However, as the war in North Africa was over, it was decided that vehicles of such size and weight were no longer needed. 
Data Sheet Available:   None Available


Reference Source/Provider
    T66 GMC Photos U.S. Army via the Dave Haugh Collection

References Available


Reference Source/Provider
T19/T66 Armored Car Information & Photos War Drawings.be


Reference Author
American Armored Cars A.J. Clemens
A Photo History of Armoured Cars In Two World Wars George Forty
Armored Car: A History of American Wheeled Combat Vehicles R.P. Hunnicutt
Encyclopedia of Armoured Cars Duncan Crow and Robert J. Icks
Searching for Perfection: An Encyclopedia of U.S. Army T-Series Vehicle Development (1925-1958)

Review by Peter Brown via Missing-Lynx

David R. Haugh
U.S. Armored Cars In Action Jim Mesko
U.S. Armoured Cars - AFV Weapons Profile #40 Robert J. Icks
U.S. Military Wheeled Vehicles Fred W. Crismon

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