The Type 59 (; industrial designation: WZ-120) main battle tank is a Chinese-produced version of the Soviet T-54A tank, an early model of the ubiquitous T-54/55 series. The first vehicles were produced in 1958 and it was accepted into service in 1959, with serial production beginning in 1963. Over 10,000 of the tanks were produced by the time production ended in 1985 with approximately 5,500 serving with the Chinese armed forces. The tank formed the backbone of the Chinese People's Liberation Army armoured units until the early 2000s, with an estimated 5,000 of the later Type 59-I and Type 59-II variants in service in 2002.
The Type 59 was modified several times during its service. It was also the basis of several later Chinese tank designs including the Type 69 and Type 79 tanks.
The Type 59 is almost identical to the early production Soviet T-54As, but there are some key differences. The Type 59 was not originally fitted with the infrared searchlight or main gun stabilization of the T-54.
The Type 59 has a conventional post-war layout with an engine compartment at the rear and a cast dome-shaped gun turret in the centre of the hull. The hull is welded steel varying in thickness between 99 mm on the front lower glacis to 20 mm on the hull floor. The turret varies in thickness from 39–100 mm.
The driver sits in the front left of the hull, and is provided with a hatch immediately above his seat, which opens to the left. The driver has two pop-up vision blocks which give coverage ahead and slightly to the right when buttoned up. The commander sits in the turret along with the gunner and loader. The commander's hatch is on the turret left, with the gunner sitting forward and below him. The loader sits on the right of the turret and has a hatch above him. The turret has a non-rotating floor, which complicated the crew's operations as they would not rotate with the turret.
The turret mounts a rifled 100 mm Type 59 cannon, for which 34 rounds are typically carried. A Type 59T 7.62 mm machine gun is mounted coaxially with the main gun.
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