The humble jerrycan was a decisive technological advantage during the Second World War

Countries & Cities · Published 15 October 2026 Swipe more like this →

In short: Engineered in 1930s Germany, the jerrycan transformed military logistics. Its robust, stackable design allowed troops to transport fuel efficiently across harsh terrain, solving critical supply failures that plagued earlier containers. This simple steel vessel proved so essential that it became a cornerstone of Allied success in the European theatre.

Developed in 1937 by chief engineer Vinzenz Grünvogel at the Müller firm in Schwelm, the Wehrmacht-Einheitskanister was a masterpiece of industrial design. Its rectangular, stackable shape maximized storage, while recessed welded seams and internal dip-coat paint protected it from impact and corrosion. The iconic triple-handle design allowed a single soldier to carry two full cans or four empty ones, facilitating rapid movement by motorised troops.

The British and American armies initially struggled with inferior containers. British 'flimsies' were prone to leaking and puncturing, often losing up to 25% of their fuel during transport in North Africa. American forces initially relied on cumbersome ten-gallon cans that required tools to open. After observing the German design during the 1940 Norwegian Campaign, the Allies reverse-engineered the can, though early American versions suffered from leakage due to inferior rolled seams compared to the original welded German construction.

The impact on the war effort was profound. By May 1945, US forces in the European Theatre required over 19 million cans to maintain their supply lines. President Franklin Roosevelt credited these containers for enabling the rapid pace of the Allied advance across France. Beyond its wartime utility, the jerrycan’s design influenced modern standards, with its core features—such as the air pocket for expansion and floatation—remaining a global benchmark for fuel and water storage in both military and civilian contexts today.

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