M75 Armored Personnel Carrier

Development and requirement

Late-World War II and postwar experience drove the U.S. Army toward a fully tracked carrier that could move an infantry squad under all-around armor. The result was the T18, standardized as M75. Army periodicals recorded its combat use in Korea, including evacuation under artillery fire, demonstrating the practical value of a roofed armored carrier compared with open half-tracks. ^{1, 2}

Design and fighting role

The M75 provided a large enclosed troop compartment, heavy armor for an APC, and a powerful gasoline engine. Its size, weight, and cost reflected a design philosophy that emphasized protection and tracked mobility, but those same characteristics limited economy and strategic flexibility. A commander’s .50-caliber machine gun provided local defensive fire. ^{1, 2}

Service and evolution

M75 service was relatively brief. The Army quickly sought a lower, cheaper, amphibious replacement, leading to the M59. Even so, the M75 established several features that became standard expectations for postwar U.S. carriers: roof protection, rear troop access, and the ability to transport an infantry squad within a fully tracked armored hull. ^{1, 2}

Archive boundaries

M75 is kept separate from M59 and M113 because each represents a distinct U.S. APC generation. The M75’s importance is developmental and historical rather than the size of its production run. ¹

Sources and further reading

Representative source set used for this profile. Primary image source and reuse terms are listed with the image.

1. U.S. Army Armor magazine, July-August 1953 — M75 combat use
2. U.S. Army Infantry magazine, 1966 — postwar APC development

Continue exploring