Polski Fiat 621 was a Polish 2.5-tonne truck, the basic lorry of the

Polish Army The Land Forces () are the land forces of the Polish Armed Forces. They currently contain some 62,000 active personnel and form many components of the European Union and NATO deployments around the world. Poland's recorded military history stre ...

during the 1930s. A licence-built version of the Italian

Fiat 621 Fiat Automobiles S.p.A. (, , ; originally FIAT, it, Fabbrica Italiana Automobili di Torino, lit=Italian Automobiles Factory of Turin) is an Italian automobile manufacturer, formerly part of Fiat Chrysler Automobiles, and since 2021 a subsidiar ...

, it was heavily modified to better suit Polish needs and cope with the bad roads in Poland. The undercarriage was produced in two variants: The Polski Fiat 621 L was the basic variant to receive a number of superstructures while the Polski Fiat 621 R was used as the basis for a line of successful buses for the civilian market and heavier, 3-tonne lorries for the army. The modifications to the original Fiat design included: * Strengthened undercarriage (frame, front and rear axles) * New leaf springs, joints and shock absorbers * Wider wheelbase * Redesigned mounting of cab doors * A Larger fuel tank for both gasoline and diesel versions * Cylinder block redesigned and produced of high-quality steel * Weber carburettor replaced with a simpler and easier to maintain construction by

Solex Solex may refer to: * Solex (musician), Dutch musician * Solex Carburetor, a French manufacturer of carburetors and the powered bicycle VéloSoleX * Solex College, a former private for-profit college in Chicago, Illinois * Solex Unit, a fictiona ...

Serial production started in 1935 at the Państwowe Zakłady Inżynieryjne Works and lasted until 1939. In 1940 the production was to be replaced with the

PZInż 703 PZInż 703 and its development versions PZInż 713 and PZInż 723 were a family of Polish trucks, lorries, buses and artillery trailers. Designed by a team at Państwowe Zakłady Inżynieryjne works, the series was to replace the ageing Polski Fi ...

family of trucks. Upon the outbreak of

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

and

invasion of Poland The invasion of Poland (1 September – 6 October 1939) was a joint attack on the Republic of Poland by Nazi Germany and the Soviet Union which marked the beginning of World War II. The German invasion began on 1 September 1939, one week aft ...

, all production ceased; those 621s that were not destroyed in the fighting were captured by Nazi Germany or the Soviet Union as the two occupied the country. An unspecified number were also used by Romanian Army during WW2.http://amnr.defense.ro/app/webroot/fileslib/upload/files/Revista_Document/Revista_052_2011.pdf

References

Military vehicles of Poland 1930s cars Fiat vehicles Military trucks World War II vehicles of Poland {{Poland-mil-stub

See also

References