Article: M113 APC: four decades of service and still showing potential.(Professional Forum)(armored personnel carrier)

The first version of the M113 armored personnel carrier (APC) was introduced in 1960. Operated by a driver and track commander (TC), it was designed to transport a squad of 11 infantrymen across a hostile battlefield. To maximize strategic and tactical mobility, the M113 was made to be air-transportable, air-droppable, and swimmable, thereby enabling it to be employed in a wide range of combat scenarios.

In 1964 the original 209 horsepower (HP) gasoline engine was replaced by a more fuel-efficient 212 HP diesel package, which increased cruising range by 50 percent. Since diesel fuel is less flammable than gasoline, this change also improved crew survivability. ...

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