The Mark IV (pronounced Mark four) was a British tank of the First World War. Introduced in 1917, it benefited from significant developments of the Mark I tank (the intervening designs being small batches used for training).

With the exception of the few interim Mark II and Mark III tanks, it was followed by the largely similar Mark IV, which first saw combat in June 1917. The Mark IV was used en masse, about 460 tanks, at the Battle of Cambrai in November 1917 .

The Mark IV was propelled by the Daimler-Foster, 6-cylinder in-line sleeve valve petrol engine, which developed 105 bhp at 1,000 rpm, allowing a speed of 6.4 km/h (4 mph). Transmission had 2 forward and 1 reverse primary gears and 2 speed secondary gears.

2024年10月23日 · Although armored warfare was still in its infancy, the British Mark IV was one of the more iconic WW1 tanks that were developed for the Great War. The “Mark IV” tank of World War I was rhomboidal in shape and came in two basic versions: male and female.

The Mark IV entered service in May 1917 and was the most prolific tank of the First World War. The Mark IV was the first tank to be produced and used en masse. Following the modest success of the Mark I tanks on the Somme in 1916 the British Commander-in-Chief, Sir Douglas Haig, ordered 1,000 more tanks for 1917.

2019年7月31日 · Detailing the technical specifications, development, and operational history of the Tank Mk IV Heavy Tank / Armored Fighting Vehicle (AFV) including pictures. The global defense reference actively compiled since 2003

Mk.IV巡航坦克 （A13 Mk II）（英語： Tank, Cruiser, Mk IV ）是一款英國於第二次世界大戰中使用的巡航坦克。它接任了Mk.III巡航坦克的位置。第一批Mk.IV巡航坦克其實就是在Mk.III的炮塔上加厚了裝甲。晚些時候生產的Mk.IV則是在全身加厚了裝甲。

The Mark IV was a British tank of the World War I. Introduced in 1917, it benefited from significant developments on the first British tank, the intervening designs being small batches used for training. The major improvements were in armour, the re-siting of the fuel tank, and easier...

2019年3月9日 · Of the more than 400 tanks that took part in the battle, many were Mark IVs. The silhouette of the Mark IV heavy tank can be found on the cap and arm badge of the UK’s Royal Tank Regiment, which observes November 20 as Regimental Day. The Mark IV featured a number of improvements over the Mark III heavy tank.

2020年9月15日 · Vickers Mk.4 Valiant (Ground Defence International No.70 December 1980) Based in Newcastle-Upon-Tyne in the northeast of England, engineers at the British firm of Vickers, with decades of tank building experience, were, at this time, developing a new ‘conventional’ tank for the export market: the Mk.3.