WW1

United States · Medium

Early American armoured tracklayer built on a Best 75 tractor.

GunUnknown

United States · Heavy

Huge American armoured "land monitor" project that was never built.

GunUnknown

France · Heavy

Heavy tank design study between the FCM 1A and FCM 2C.

GunUnknown

German Empire · Light

Turreted development of the LK II, ordered in 1918 but never built.

GunUnknown

Russia · Medium

1915 Russian tracked armoured vehicle project.

GunUnknown

France · Medium

Further Schneider medium tank project that did not enter production.

GunUnknown

France · Medium

Planned enlarged successor to the Schneider CA1, not proceeded with.

Gun75 mm gun (planned)

German Empire · Medium

Unbuilt German assault tank with a top-mounted turret, cancelled at the Armistice.

Gun57 mm gun (planned)

Canada · Light

Open-topped armoured lorry used by the Canadian Automobile Machine Gun Brigade.

Russia · Light

Revised armed version of Porokhovshchikov's Vezdekhod.

GunMachine guns (planned)

Russia · Heavy

Super-heavy armoured vehicle designed by Vasily Mendeleev but never built.

Gun120 mm naval gun (planned)

United Kingdom · Heavy

Late-war improved Mark V design that remained on paper.

GunUnknown

United Kingdom · Heavy

Redesigned heavy tank shown as a mock-up, cancelled in favour of the Anglo-American Mark VIII.

Gun6-pounder (planned)

German Empire · Heavy

Half-tracked lorry chassis tested as a basis for an armoured fighting vehicle.

GunUnknown

United Kingdom · Heavy

The rhomboid prototype from which the Mark I tank was derived.

Gun2 × QF 6-pounder

United States · Light

American licence-built copy of the Renault FT.

Gun37 mm gun or .30 machine gun

United Kingdom · Heavy

Lengthened Mark V derivative with a Williams-Janney hydraulic transmission.

Gun2 × QF 6-pounder

France · Light

Schneider prototype fitted with a revolving turret.

Gun47 mm gun (turret)

France · Heavy

Electrically driven armoured tractor, one of the first French armoured vehicle experiments.

Gun37 mm naval gun

United Kingdom · Heavy

The definitive British rhomboid tank of the First World War and the first to be produced in genuinely useful numbers.

GunMale: two 6-pdr (57 mm) QF guns; Female: machine guns only

France · Light

The first tank with a fully rotating turret, a rear engine and a front fighting compartment - the layout every tank since has used.

Gun37 mm Puteaux SA 18 or 8 mm Hotchkiss MG

German Empire · Heavy

Germany's only tank to see service in the First World War, a towering 18-man box on Holt tractor running gear.

Gun57 mm Maxim-Nordenfelt gun

United Kingdom · Medium

The fastest British tank of the war, conceived to exploit breakthroughs that the slow rhomboids could only create.

Gunnone

United Kingdom · Heavy

The first tank ever sent into battle, fielded on the Somme in September 1916.

GunTwo 6-pdr (Male) or machine guns only (Female)

France · Medium

France's first tank, a boxy Holt-tractor conversion with a hull-mounted 75 mm gun.

Gun75 mm Blockhaus Schneider

France · Heavy

Long-hulled French heavy with petrol-electric drive and a full 75 mm field gun.

Gun75 mm field gun

United Kingdom · Heavy

The most refined WW1 rhomboid: one driver, epicyclic gearbox, purpose-built engine.

GunTwo 6-pdr (Male) or machine guns only (Female)

United Kingdom · Heavy

An unarmoured-steel training batch rushed into combat at Arras, where German armour-piercing bullets went straight through it.

GunTwo 6-pdr (male) or six machine guns (female)

United Kingdom · Medium

Tritton's refined "Hornet", the best-handling British tank of 1918 and the one the Armistice cut short.

GunFour to five Hotchkiss machine guns

Italy · Heavy

Italy's first tank and the first heavy tank anywhere with a fully rotating turret on top of the hull.

Gun65 mm howitzer in a fully rotating turret

German Empire · Heavy

Never finished: a 120-tonne breakthrough machine designed to be shipped to the front in sections.

GunFour 77 mm guns in side sponsons

Russia · Heavy

A nine-metre tricycle war machine that bogged down on its first trial and rusted in the woods until 1923.

GunCannon and machine guns in sponsons and turret (design)

United Kingdom · Light

The first completed tank in the world - a trials machine that never fought, built to prove tracks could cross a trench.

GunNone fitted (2-pdr planned)

United Kingdom · Heavy

A training-only batch of fifty rhomboids built between the Mark II and the much-improved Mark IV.

Gun2 x 6-pdr (Male) or machine guns (Female)

United Kingdom · Tank Destroyer

The world first self-propelled gun: a tracked carrier that took a 60-pdr field gun across shell-torn ground.

Gun60-pdr gun or 6-inch howitzer carried

United Kingdom · Medium

The first purpose-built armoured personnel carrier - a rhomboid hull emptied out to carry thirty infantrymen.

GunNone

United Kingdom · Medium

Walter Wilson answer to the Whippet: a separate engine compartment and a fixed superstructure, and a disappointment in service.

GunMachine guns only

United Kingdom · Heavy

A 1916 design for a 100-tonne shell-proof super-heavy, cancelled before a hull was finished. Never built.

Gun1 x 6-pdr (design)

France · Light

A close-support FT with a short 75 mm howitzer in a fixed casemate, built to blow up bunkers the 37 mm could not touch.

Gun75 mm Blockhaus Schneider short howitzer

United States · Light

A US experiment that kept the rhomboid trench-crossing shape but replaced the armoured body with an open pipe frame. One built.

Gun1 x machine gun (fitted for trials)

United States · Light

A cheap two-man light tank built on Model T components for the US Army. The Armistice cancelled the order after 15 were completed.

Gun1 x .30-06 M1917 Marlin machine gun

German Empire · Light

Joseph Vollmer's 1918 light tank built from car components, Germany's first answer to the British Whippet.

Gun1 x 7.92 mm MG 08 in rotating turret

German Empire · Light

Improved successor to the LK I, ordered in quantity in 1918; its parts later became the Swedish Strv m/21.

Gun1 x 5.7 cm gun or 1 x 7.92 mm MG 08 (planned versions)

German Empire · Heavy

A rhomboid, all-round-track version of the A7V, built after German crews saw the trench-crossing ability of British tanks.

Gun2 x 5.7 cm guns in sponsons

United States · Medium

The first American-built tank prototype, using petrol-electric drive to steer without a mechanical transmission.

Gun1 x 75 mm mountain howitzer (nose)

United States · Heavy

A rhomboid, steam-powered flamethrower tank built by US Army engineers in 1918.

Gun1 x flamethrower

France · Heavy

The French heavy breakthrough prototype whose turreted layout led directly to the giant Char 2C.

Gun1 x 105 mm gun in rotating turret

France · Light

A 1918 Peugeot light tank prototype with a casemate-mounted 75 mm gun, rejected in favour of Renault's FT.

Gun1 x 75 mm Blockhaus Schneider (casemate)

Russia · Light

Aleksandr Porokhovshchikov's single-track 1915 prototype, one of the first tracked combat vehicles built anywhere.

Gun1 x machine gun (planned)