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The 7.5 cm Pak 40 (7,5 cm Panzerabwehrkanone 40) was a German 75 millimetre anti-tank gun of the Second World War. The gun was developed in 1939–1941 and entered service in 1942. With 23,303 examples produced, the Pak 40 formed the backbone of German anti-tank guns for the later part of World War II, mostly in towed form, but also on a number ...
The PaK 40 semi-automatic 7.5 cm calibre anti-tank gun was the basis for the BK 7,5 in the Junkers Ju 88 P-1 heavy fighter and Henschel Hs 129 B-3 twin engined ground attack aircraft. The German Mauser MK 213 was developed at the end of the Second World War and is regarded as the archetypal modern revolver cannon .
7.5 cm KwK 40; 7.5 cm KwK 42; 7.5 cm Pak 40; 7.5 cm Pak 97/38; 7.62 cm Pak 36(r) 7×33mm Sako; 8-inch gun M1; 10.5 cm Gebirgshaubitze 40; 10.5 cm Leichtgeschütz 40; 10.5 cm Leichtgeschütz 42; 12.8 cm FlaK 40; 21 cm Nebelwerfer 42; 45 mm anti-tank gun M1942 (M-42) 76 mm gun M1; 240 mm howitzer M1
A Pak's weight is within the range of 229 kg (505 lb) to 10,160 kg (22,400 lb). The smallest caliber was 28 mm (1.1 in) and the largest was 128 mm (5.0 in). Over the six-year course of World War II the armor of the tanks steadily improved, so the size of the projectile had to increase.
The 7.5 cm Pak 41 was one of the last German anti-tank guns brought into service and used in World War II and notable for being one of the largest anti-tank guns to rely on the Gerlich principle (pioneered by the German gun-designer Hermann Gerlich, who developed the principle in the 1920s, reportedly for a hunting rifle) to deliver a higher muzzle velocity and therefore greater penetration in ...
From March 1942, new variants of the Panzer IV and StuG III had a derivative of the 7.5 cm PaK 40 anti-tank gun, the longer-barreled 7.5 cm KwK 40. [1] When older Panzer IVs were up-gunned, their former KwK 37 guns were reused to arm later Panzer III tanks and other infantry support vehicles. In 1943, depleted stocks and demand for the Panzer ...
This gun used HE shells from the 7.5 cm Gebirgsgeschütz (Mountain Gun) 36 and the anti-tank shell of the 7.5 cm Feldkanone 16, neuer Art (Field Cannon, New Model). This meant that its ammunition could not be optimized to benefit from the peculiar ballistic characteristics of recoilless weapons.
For example, the 7.5 cm Pak 40 L/46 antitank gun and the 7.5 cm KwK 40 L/48 tank gun fired the same projectile, even though they had completely different cartridge cases. Different versions of the shell were made, but the changes were usually minor. For instance, in the 88 mm Pzgr. 39-1 version the quality of steel was improved.