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

Polish Army The Land Forces () are the Army, land forces of the Polish Armed Forces. They currently contain some 110,000 active personnel and form many components of the European Union and NATO deployments around the world. Poland's recorded military histor ...

during the 1930s. It was built under an agreement between

Fiat Fiat Automobiles S.p.A., commonly known as simply Fiat ( , ; ), is an Italian automobile manufacturer. It became a part of Fiat Chrysler Automobiles in 2014 and, in 2021, became a subsidiary of Stellantis through its Italian division, Stellant ...

and PZInż. The Polish version of the Fiat 621 was heavily modified to better suit Polish needs and cope with the harsh weather and 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 In an internal combustion engine, the engine block is the structure that contains the cylinders and other components. The engine block in an early automotive engine consisted of just the cylinder block, to which a separate crankcase was attach ...

redesigned and produced of high-quality steel *Weber carburettor replaced with a simpler and easier to maintain construction by Solex 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 family of trucks. Upon the outbreak of

World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...

and

invasion of Poland The invasion of Poland, also known as the September Campaign, Polish Campaign, and Polish Defensive War of 1939 (1 September – 6 October 1939), was a joint attack on the Second Polish Republic, Republic of Poland by Nazi Germany, the Slovak R ...

, 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.

References

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

See also

References