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T-75 81 mm mortar

The T-75 81 mm mortar is an improved mortar manufactured by the Joint Logistics 202 Factory (reformed under the Armaments Bureau of the Ministry of National Defense ) by imitating the US-made M29 81 mm mortar. The mortar is not a synonym for backwardness, it is still a friend of the infantry. Since the birth of the Russo-Japanese War, the mortar has become a support artillery with great development potential. During World War II, 50mm and 60mm mortars of various countries were equipped to company-level units in large quantities, and 81mm and 82mm mortars were equipped to battalion-level units in large quantities, becoming a rare indirect fire support weapon. Because of its light weight, it is easier to carry and transport, and naturally it has become one of the most relied-on weapons for light infantry.

Factory 202 imitated the M29 Type 81 mortar in 1978 ( the 67th year of the Republic of China ), and completed the test the following year and named it Type 68. Although its performance was better than the Type 41 imitation of the M1, by the 1970s, it was still holding The Korean War -era products of the 1950s required actual combat units to pay for them, and the actual combat units naturally refused to accept them. Strangely, according to the official information, the T-75 was trial-produced in 1984 and called the XT-73. It was finalized in 1986, so it was named T-75. It is unknown why the Type 68 was eliminated. By 1984 (the 73rd year of the Republic of China), Factory 202 adopted the opinions of the Army and Marine Corps and trial-produced an improved version of the Type 68.

Although the design and ammunition of the M-29 are still used, the gun mount and bottom plate are made of aluminum alloy to reduce weight; the biggest difference from the M-29 is the gun barrel. The T-75's gun barrel is slightly heavier than the original version at 800 grams . The tube is equipped with a carrying handle, and there is only a heat dissipation ring on the vehicle from the end to one-third of the gun body. Therefore, the T-75 maintains the same range as the M-29, but is lighter in weight. In addition, the total weight of the sight is only 40 kilograms (88 pounds), which is more suitable for Easterners to operate than the original 55 kilograms.

The new 81 mortar was finalized in 1986 (the 75th year of the Republic of China) and named T-75. Mass production began in 1988 (the 77th year of the Republic of China). It was also produced for use on CM-23 armored vehicles and V-150 wheels. The vehicle type on the armored vehicle is called T-75K1.

The main difference in appearance between the T-75 and the M-29 is the heat dissipation ring design. The M-29 has a heat dissipation ring except for the central part where the gun mount is installed. Also, the base design of the T-75 is relatively simple. In order to cooperate with the long-distance march of infantry units , the T-75 can also be moved using the two-wheeled trolley developed by the US military after being disassembled. However, because most of the national army's field infantry units have been mechanized, it was only used in a few pure operations such as special operations at that time. Issued among infantry units.

Compared with the Type 41 81 mm mortar (actually the Type 44 81 mm mortar), the T-75 is 35% lighter and has a 50% increase in range. The Type 41 quickly became part of the national army's actual combat forces. Removed. Now that the 60mm mortar ( T-75 type 60 mm mortar , type 31 ) has disappeared from most army units, the 81st mortar has become the core of the army's actual combat units, directly controlling the supporting firepower at the company level. The killing area is 20 x 15 square meters.