The engine was produced in the '40s ... and carrying over the design It featured in some variants of the M4 Sherman tank such as the M4A3 Take a look at the Hemi engine in its ultimate form ...

Formally called the 3-inch Gun Motor Carriage M10, this tank destroyer was based on the M4 Sherman chassis while mounting the 3-inch gun M7 in an open-top turret. The M10 traded armor for ...