The M46 Patton was the American answer to mobility issues in early Cold War tanks.

Wars & Conflicts · Published 15 October 2026 Swipe more like this →

In short: Born from the mechanical failures of the M26 Pershing, the M46 Patton became a cornerstone of U.S. armored forces during the Korean War. It was the first tank to bear the name of General George S. Patton Jr., marking a shift in American military engineering toward more reliable, high-performance combat vehicles.

Following World War II, the U.S. Army relied on a combination of M4 Sherman and M26 Pershing tanks. While the M26 offered superior protection and firepower compared to the M4, it suffered from a sluggish engine and a notoriously unreliable transmission. To address these deficiencies, the military initiated a redesign in January 1948, replacing the original power plant with a Continental engine and a new cross-drive transmission. Initially designated as the M26E2, the vehicle's extensive modifications eventually warranted a new identity: the M46 Patton.

Production began at the Detroit Tank Arsenal in November 1948, and by July 1950, the facility was churning out over a dozen tanks daily. The M46 saw its only American combat service during the Korean War, where it proved effective against North Korean armor. By the end of 1950, 200 of these tanks had been deployed, representing roughly 15% of the total U.S. tank strength in the region. As production ramped up, the M46 and its improved variant, the M46A1, gradually replaced the older M26 and M4 models across various infantry and tank battalions.

The M46 was not widely exported, though small numbers were leased to Belgium, France, and Italy in the 1950s to train crews for the subsequent M47 Patton. A total of 1,160 M46 units were manufactured, including specialized versions like the M46 Dozer and the M46E1 prototype, which featured a new turret design. Today, the legacy of this tank is preserved in historical displays, such as the example located at the War Memorial of Korea in Seoul, reflecting its role as a critical bridge between the armor of World War II and the modern era.

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