| The M4
Sherman medium tank series was not only the main U.S. Army armored
vehicle during WWII, it was the motive power that brought victory for
the allies during the conflict. With more than 55,000 produced in all
variations, it was the most widely produced tank during the war. The
five major variants of the M4 to the M4A4 were designated by the hull
and engine used. The M4 used an angular shaped welded hull, and the
Continental R975-C1 radial aircraft engine. Although powerful and
proven, its high center propeller shaft gave the hull a tall profile.
Suspension was a rugged and simple design, known as VVSS (Vertical
Volute Spring Suspension), with three units (or bogies) on each side,
and each with two road wheels. The transmission was 5-speed forward,
plus reverse. Early production M4's had a 3-piece front transmission
cover, and a cast one-piece steel turret mounting a 75mm main gun. For
added protection, applique armor plates were added to the turret, hull
sides and just in front of the forward hull hatches. Production of the
M4 began in July 1942, five months later than the cast hulled M4A1. It
was first deployed during the Italian campaign in May 1943. Although
outgunned by the German Panzers, the M4's superb reliability, mobility
and superior numbers, compensated for the smaller weapon. M4 Sherman
tanks saw action on every front, from its introduction in Italy, to the
end of the conflict |
