A7V Tank

Equipment · November 11, 2026 · dinhbaochau

1. Lead

The A7V was Germany’s first and only tank of the First World War, and one of the most unusual armoured vehicles ever built. While Britain and France built thousands of tanks, Germany built only twenty A7Vs, and the type saw combat only in the last months of the war, in the spring of 1918. The A7V was a huge, boxy vehicle, weighing about 30 tons, with a crew of up to eighteen men, a 57-millimetre gun in the front, and six machine guns in its sides and rear. It was designed to break through the Allied trenches, to cross the shell-torn ground of the Western Front, and to support the German infantry in the great offensives of 1918. In practice, the A7V was slow, unreliable, and difficult to manoeuvre, and it was often stuck in trenches or bogged down in mud. Yet the A7V has a place in history that far exceeds its numbers, because on 24 April 1918, at Villers-Bretonneux in France, three A7Vs met three British Mark IV tanks in the first tank-versus-tank battle in history. The A7V’s story is the story of Germany’s late and limited entry into tank warfare, of a design that was impressive on paper and disappointing in practice, and of a vehicle that, despite its faults, fought in the battle that began the age of tank-versus-tank combat.

2. Key Facts

Field	Value
Type	Heavy tank
Role	Breakthrough, infantry support
Origin	German Empire
Designer	Joseph Vollmer, for the Allgemeines Kriegsdepartement, Abteilung 7, Verkehrswesen
Manufacturer	Daimler-Motoren-Gesellschaft, Berlin-Marienfelde
Designed	1916–1917
Introduced	1918
Produced	20 tanks, plus approximately 30 unarmoured supply carriers on the same chassis
Crew	Up to 18 (commander, driver, 2 mechanics, gunner, loader, 12 machine gunners)
Weight	Approximately 30–33 tons
Length	7.34 m (24 ft 1 in)
Width	3.10 m (10 ft 2 in)
Height	3.30 m (10 ft 10 in)
Engine	2 × Daimler 4-cylinder petrol engines
Power	Approximately 100 hp each, 200 hp total
Max speed	Approximately 15 km/h (9 mph) on roads, 5–8 km/h cross-country
Range	Approximately 35–80 km depending on terrain
Armour	10–30 mm (0.4–1.2 in)
Armament	1 × 57 mm Maxim-Nordenfelt gun, 6 × 7.92 mm MG 08 machine guns
Primary users	German Army (Sturmpanzerwagen-Abteilungen)

3. Background and Development

Germany’s Late Response to the Tank

When British tanks first appeared on the Somme in September 1916, the German Army was shocked. The German High Command had not believed that tanks would be effective, and it had not developed a tank of its own. After the Somme, the German War Ministry set up a committee, Abteilung 7 of the General War Department, to develop a German tank, and it appointed Joseph Vollmer, an engineer at Daimler, to design it. Vollmer’s design, the A7V — the name comes from the committee, Allgemeines Kriegsdepartement, Abteilung 7, Verkehrswesen — was a large, boxy vehicle, based on a Holt tractor chassis, with a superstructure that housed the crew and the armament. The first prototype was completed in 1917, and the first production A7Vs were delivered in late 1917 and early 1918. Germany’s tank programme was hampered by shortages of steel, of engines, and of skilled workers, and by the fact that the German Army, which had a large number of captured British tanks, preferred to use those rather than to build its own.

Production of Only Twenty Tanks

Only twenty A7Vs were built, a tiny number compared with the thousands of British and French tanks. The reasons were practical: Germany lacked the industrial capacity to build tanks in large numbers, the A7V was expensive and complex, and the German High Command, which was sceptical about tanks, did not prioritise their production. The twenty A7Vs were built by Daimler at Berlin-Marienfelde, and they were delivered to the German Army’s tank units, the Sturmpanzerwagen-Abteilungen, in early 1918. In addition to the twenty tanks, about thirty unarmoured supply carriers were built on the same chassis, for carrying supplies to the front. The A7V’s production was a modest effort, but it was the only German tank programme of the war, and it showed that Germany, despite its late start, could design and build a tank.

The existence of so many sub-types is a reminder that this was not a static design. Each change was a response to something learned in service, whether it was a fault that needed correcting, a new weapon that needed fitting, or a new role that the machine was asked to perform. Some changes were small and invisible to an outsider, while others altered the shape or the armament in ways that are obvious in photographs. Taken together, the variants tell the story of a design being refined under pressure, with engineers, crews, and commanders all contributing to the next version.

4. Design

Hull, Superstructure and Layout

The A7V was a large, boxy vehicle, with a length of 7.34 metres, a width of 3.10 metres, and a height of 3.30 metres. Its hull was a Holt tractor chassis, with tracks that ran the full length of the vehicle, and its superstructure was a large, armoured box that sat on top of the chassis and that housed the crew, the gun, and the machine guns. The superstructure had a high, flat roof, with a small cupola for the commander, and it was fitted with doors and hatches on the sides and rear. The interior was cramped and noisy, with the engines in the centre, the gun in the front, and the machine guns in the sides, and the crew of up to eighteen men worked in conditions that were hot, noisy, and filled with fumes. The A7V’s design was a product of its time, and it reflected the German Army’s thinking about the tank as a mobile fortress, rather than as a fast, manoeuvrable vehicle.

Engines, Gun and Machine Guns

The A7V was powered by two Daimler four-cylinder petrol engines, each producing approximately 100 horsepower, for a total of 200 horsepower. The engines were mounted in the centre of the vehicle, and they drove the tracks through a transmission that gave the tank a top speed of about 15 kilometres per hour on roads and about 5 to 8 kilometres per hour cross-country. The engines were underpowered for a 30-ton vehicle, and the A7V was slow and unreliable, with a tendency to overheat and to break down. The armament was a 57-millimetre Maxim-Nordenfelt gun in the front, which could fire high-explosive and armour-piercing shells, and six 7.92-millimetre MG 08 machine guns in the sides and rear. The gun was effective against infantry and against light fortifications, but it was not designed for tank-versus-tank combat, and the A7V’s armour, from 10 to 30 millimetres, could protect the crew against small-arms fire and shell splinters, but not against a direct hit from a tank gun.

5. Variants

The Twenty A7Vs and Their Names

The twenty A7Vs were not identical: they were built in small batches, and they differed in details such as the gun, the machine guns, and the armour. Some A7Vs were fitted with a 57-millimetre gun, while others were fitted with two machine guns in the front in place of the gun, because of a shortage of 57-millimetre guns. The A7Vs were given names by their crews, including Gretchen, Faust, Mephisto, Schnuck, Hagen, and Nixe, and the names were painted on the sides of the vehicles. The named A7Vs became famous, and their crews took pride in their tanks, despite their faults. The A7V’s variants were therefore not formal production versions but individual vehicles, each with its own history and its own crew.

The Überlandwagen Supply Carrier

The Überlandwagen was an unarmoured supply carrier built on the A7V chassis, with a large cargo area in place of the armoured superstructure. About thirty Überlandwagen were built, and they were used to carry supplies, ammunition, and troops to the front, in areas where the roads were too bad for wheeled vehicles. The Überlandwagen was not a tank, but it was based on the same chassis, and it showed how the A7V’s design could be adapted to other roles. The Überlandwagen’s service was brief, because the war ended in November 1918, but the vehicle is a reminder that the A7V chassis was a versatile design, and that the German Army used it for more than just tanks.

6. Operational History

The Spring Offensives of 1918

The A7V first saw combat in March 1918, during the German spring offensives, when the German Army launched a series of attacks on the Western Front in an attempt to win the war before the Americans arrived in large numbers. A7Vs supported the infantry in the attacks on the Somme and in Flanders, where they crossed the trenches and the shell-torn ground, and where they attacked Allied strongpoints. The A7V’s performance in the offensives was mixed: the tanks were slow, they often got stuck, and they suffered from mechanical breakdowns, but when they worked, they were effective against infantry and against machine-gun positions, and their presence had a morale effect on both sides. The German offensives of 1918 were the A7V’s first and only major operations, and they showed both the potential and the limitations of the German tank.

The day-to-day reality of operating this type was very different from the clean narrative of a campaign history. Crews spent far more time maintaining, fuelling, and waiting than they did in combat, and the weather, the state of the roads or airfields, and the availability of spare parts often mattered more than the enemy. When the machine did go into action, the result depended on training, on leadership, and on luck, as well as on the qualities of the design. Those unglamorous details are what made the difference between a unit that kept its machines flying or rolling and one that did not.

Villers-Bretonneux and the First Tank Battle

The A7V’s most famous action came on 24 April 1918, at Villers-Bretonneux, a village in France that the Germans had captured. Three A7Vs, under the command of Lieutenant Wilhelm Biltz, advanced on the village, supported by infantry, and they were met by three British Mark IV tanks, under the command of Lieutenant Frank Mitchell. The British tanks, two female tanks armed only with machine guns and one male tank armed with a 6-pounder gun, engaged the A7Vs, and the male tank, commanded by Mitchell, hit one A7V and forced it to withdraw, while the other A7Vs withdrew after a short fight. The battle was the first tank-versus-tank battle in history, and it showed that tanks could fight each other, a development that had not been envisaged when tanks were first designed. The battle at Villers-Bretonneux is remembered as a landmark in the history of armoured warfare, and the A7V’s role in it ensures that the type will not be forgotten.

The Last Months and the End of the War

After Villers-Bretonneux, A7Vs continued to serve in the German offensives of 1918, and in the defensive battles that followed, when the Allies counter-attacked and the German Army retreated. The A7Vs were used in small numbers, often singly or in pairs, and they were often lost to mechanical breakdown, to artillery fire, or to capture by the Allies. By the end of the war, most of the twenty A7Vs had been lost or captured, and the type’s service was over. The German Army’s tank programme, which had produced only twenty tanks, was a failure in terms of numbers, but the A7V’s service showed that Germany had learned the lessons of tank warfare, and that it would build tanks again in the next war.

Mephisto and the Captured Tanks

One A7V, Mephisto, was captured by Australian troops at Villers-Bretonneux in July 1918, after it had become stuck in a crater and had been abandoned by its crew. Mephisto was shipped to Australia as a war trophy, and it is now displayed in the Queensland Museum in Brisbane, where it is the only surviving A7V in the world. Other A7Vs were captured by the British and French, and they were examined and tested, providing valuable information about German tank design. The captured A7Vs were a source of intelligence for the Allies, and they showed that the German tank, although it was impressive in size, was not as advanced as the British and French tanks. Mephisto’s survival, as the only A7V left, is a remarkable fact, and the tank is now one of the most famous exhibits in Australia.

7. Performance and Specifications

Speed, Range and Mobility

The A7V had a maximum speed of approximately 15 kilometres per hour on roads, and about 5 to 8 kilometres per hour cross-country, a slow speed that reflected its weight and its underpowered engines. Its range was approximately 35 to 80 kilometres, depending on the terrain, a short range that limited its operations. The A7V’s mobility was poor: it could cross trenches up to about 2 metres wide, it could climb a slope of about 30 degrees, and it could ford a stream up to about 1 metre deep, but it often got stuck in the mud and in the shell holes of the Western Front, and its tracks, which were based on a tractor design, were not well suited to the conditions. The A7V’s performance was inferior to that of the British Mark IV, which was more reliable, and to that of the French Renault FT, which was smaller and more manoeuvrable.

Gun, Armour and Crew Conditions

The A7V’s 57-millimetre gun could fire a shell that was effective against infantry and against light fortifications, and its six machine guns provided a heavy weight of fire against infantry. The armour, from 10 to 30 millimetres, could protect the crew against small-arms fire, but the A7V’s large size made it an easy target for artillery, and its slow speed made it vulnerable. The crew of up to eighteen men worked in conditions that were among the worst of any tank of the war: the interior was hot, noisy, and filled with engine fumes and with the smoke from the gun and the machine guns, and the crew had to work in close quarters, with little room to move. The A7V’s crew conditions were a major weakness, and they contributed to the tank’s poor performance in combat.

The figures quoted for this type should be read as representative values rather than as exact guarantees for every individual machine. Weight varied with fuel, ammunition, and equipment, engines lost power as they wore, and field modifications added drag or weight that the original test aircraft never carried. Pilots and drivers therefore judged the machine by how it felt in service, by its climb or acceleration on a hot day, and by whether it could still do its job when it was tired and heavily loaded. Those practical judgements, recorded in reports and memoirs, are often more revealing than the clean numbers printed in a handbook.

8. Operators

German Army Tank Units

The sole operator of the A7V was the German Army, which formed three tank detachments, the Sturmpanzerwagen-Abteilungen 1, 2, and 3, to operate the twenty tanks. Each detachment had about six or seven A7Vs, and the detachments served on the Western Front in 1918, supporting the infantry in the spring offensives and in the defensive battles that followed. The German Army’s tank units were small and inexperienced, and their officers and men had to learn tank warfare in combat, with little training and with a vehicle that was new and unreliable. The German tank units’ service was brief, but it showed that the German Army had recognised the tank’s importance, even if it had not built enough tanks to make a difference.

The experience of the operators who used this type varied a great deal from one unit to another, because the same machine could be a reliable workhorse in one theatre and a constant source of trouble in another. Climate, the quality of spare parts, the length of supply lines, and the skill of the ground crews all shaped how the type performed in practice. Units that had time to learn its habits usually got far more from it than units that received it in a hurry and took it straight into combat. That pattern, in which training and maintenance mattered as much as the design itself, runs through almost every account left by the men who served with it.

Captured A7Vs and Allied Examination

After the war, the Allies captured several A7Vs, including Mephisto, and they examined and tested them. The British and French used the captured A7Vs to learn about German tank design, and the information they gained influenced the design of their own tanks. The captured A7Vs were also displayed as war trophies, in Britain, France, and Australia, where they were a reminder of the German tank and of the war. The A7V’s service with the Allies, as a captured vehicle, was short, but it showed that the type’s design was of interest to the victors, and that its lessons were not lost.

9. Legacy and Influence

Germany’s First Tank and the First Tank Battle

The A7V’s legacy is that it was Germany’s first tank, and that it fought in the first tank-versus-tank battle in history. The type’s numbers were tiny, and its performance was poor, but its place in history is secure, because it was the vehicle that introduced Germany to tank warfare and that fought in the battle that began the age of tank combat. The A7V’s design, with its large crew, its heavy gun, and its boxy superstructure, was a dead end, and later German tanks, such as the Panzer I and Panzer II, were very different, but the A7V’s service showed that Germany had learned the tank’s value, and that it would build tanks again.

Historians still debate how much weight to give to this type when they assess the wider war. Some emphasise its direct contribution in combat, while others point to the lessons it taught, the doctrines it shaped, and the later designs that borrowed from it. Both views have merit, because a machine can matter through influence as well as through its own record. What is not in doubt is that the type left a mark on the people who used it, and that their accounts, written years later, still convey a strong sense of what it was like to depend on it.

Influence on German Tank Design

The A7V influenced German tank design in its emphasis on firepower and on crew size, and in its use of a large, boxy superstructure, features that were not adopted by later German tanks. The type’s greatest influence was not on design but on doctrine: the German Army learned from the A7V’s service that tanks needed to be fast, reliable, and manoeuvrable, and that they needed to be used in large numbers, in cooperation with infantry and artillery. These lessons, learned from the A7V’s failures as much as from its successes, influenced the German Army’s tank doctrine in the interwar period and in the Second World War, when the Panzer divisions became the core of the German Army. The A7V is therefore a key vehicle in the history of German armour, even though it was built in such small numbers.

10. Surviving Examples

Mephisto, the Only Survivor

Only one A7V survives, Mephisto, which is displayed in the Queensland Museum in Brisbane, Australia. Mephisto was captured by Australian troops at Villers-Bretonneux in July 1918, and it was shipped to Australia as a war trophy. The tank was displayed in Brisbane for many years, and it was restored in the 1980s and 1990s, with the help of German engineers and with parts that were made to the original design. Mephisto is now one of the most famous tanks in the world, and it is the only A7V left, a unique survivor of the First World War. Visitors to the Queensland Museum can see the tank’s size, its 57-millimetre gun, and its machine guns, and they can appreciate the conditions in which its crew of eighteen men worked.

Visitors who encounter a surviving example today are looking at far more than a static exhibit. The size, the wear on the controls, and the cramped working positions all help to explain what service in this machine felt like, in a way that a photograph or a specification table cannot. Museum staff usually place the vehicle or aircraft in context with the unit that used it, the theatre in which it served, and the men who maintained it, so that a casual visitor can understand why it mattered. That educational role is now one of the main reasons these survivors are preserved, and it keeps the history alive for people who never saw the machine in service.

Replicas and Memorials

No other A7V survives, but replicas have been built for museums and for films, including a replica that was built for the Australian War Memorial and a replica that was built for a German museum. These replicas, although they are not original vehicles, give a good impression of what the A7V looked like, and they allow visitors to see the tank’s distinctive shape. The A7V is also remembered in memorials and in books, and its story is told in the histories of the First World War and of tank warfare. The fact that only one A7V survives, despite the fact that twenty were built, is a reminder of how few First World War tanks survive, and of how valuable Mephisto is as a unique artefact.

Frequently Asked Questions

How many A7Vs were built?
Only 20 A7V tanks were built, plus about 30 unarmoured supply carriers on the same chassis. Germany built far fewer tanks than Britain or France in WWI.

What was the first tank-versus-tank battle?
On 24 April 1918 at Villers-Bretonneux, three A7Vs met three British Mark IV tanks. The British male tank, commanded by Frank Mitchell, hit an A7V and forced the Germans to withdraw.

Why did Germany build so few tanks?
Germany lacked steel, engines, and industrial capacity, and the High Command was sceptical about tanks. It preferred to use captured British tanks rather than build its own.

How big was the A7V’s crew?
Up to 18 men: a commander, driver, two mechanics, gunner, loader, and twelve machine gunners. It was one of the largest tank crews of the war.

Where is the only surviving A7V?
Mephisto, captured by Australian troops in July 1918, is displayed in the Queensland Museum in Brisbane, Australia. It is the only surviving A7V.

Was the A7V a good tank?
No. It was slow, unreliable, underpowered, and difficult to manoeuvre, with poor crew conditions. Its historical importance lies in being Germany’s first tank and in the Villers-Bretonneux battle.

Sources

Rainer Strasheim, The A7V Tank and the German Tank Programme of 1917–1918
David Fletcher, British Tanks 1915–1919
Queensland Museum, Mephisto A7V exhibit and conservation records
Imperial War Museum, A7V and First World War tank collections
German War Ministry records on the A7V programme
Australian War Memorial, Villers-Bretonneux and Mephisto histories