U.S. M41A3 WALKER BULLDOG TANK

The M41 Walker Bulldog light tank was built to replace the M24 Chaffee light tank, which was the standard light tank being used by the United States at the end of World War II.
Just after the war ended, the US began developing a new light tank, which culminated in M41. Production of the M41 light tank began in 1950 and it entered service in 1951. Originally known as the Little Bulldog, it was renamed the Walker Bulldog in honor of General Walton Walker, who died in 1951, in a jeep accident in Korea.  The M41 was built by the Cadillac Car Division of General Motors at the Cleveland Tank plant.
Variants of the M41 light tank include the M41A1, the M41A2 and the M41A3, which had slightly different gun control systems.  The M41A2's and M41A3's engines have fuel injection systems.
The M41 Walker Bulldog light tank was used, to a limited extent, during the Korean War.  The US equipped the Army of the Republic of Vietnam (South Vietnam) with M41s during the Vietnam War. By 1971, more than 200 Walker Bulldogs were in service with the ARVN.  The M41 Walker Bulldog was not used by US forces, themselves, in Vietnam.
The United States Army has replaced the M41 Walker Bulldog light tank with the Sheridan M551 light tank. The M41 is still being used by the Brazilian, Chilean, Dominican, Guatemalan, Taiwanese, Thai, and Uruguayan armies.