The Maserati 4CM is an
open-wheel
An open-wheel single-seater (often known as formula car) is a car with the wheels outside the car's main body, and usually having only one seat. Open-wheel cars contrast with street cars, sports cars, stock cars, and touring cars, which have thei ...
Grand Prix motor racing car, designed, developed and built by Italian manufacturer
Maserati
Maserati S.p.A. () is an Italian luxury vehicle manufacturer. Established on 1 December 1914, in Bologna, Italy, the company's headquarters are now in Modena, and its emblem is a trident. The company has been owned by Stellantis since 2021. Ma ...
, in 1932.
It was constructed to run to
Voiturette
A voiturette is a miniature automobile.
History
''Voiturette'' was first registered by Léon Bollée in 1895 to name his new motor tricycle. The term became so popular in the early years of the motor industry that it was used by many makers t ...
rules and regulations; which specified a capacity of less than . The Maserati 4CM was equipped with either a , or a
four-cylinder engines
The engine configuration describes the fundamental operating principles by which internal combustion engines are categorized.
Piston engines are often categorized by their cylinder layout, valves and camshafts. Wankel engines are often categorize ...
. With the addition of a
roots supercharger
The Roots-type blower is a
positive displacement lobe pump which operates by pumping a fluid with a pair of meshing lobes resembling a set of stretched gears. Fluid is trapped in pockets surrounding the lobes and carried from the intake sid ...
, this boosted power to , depending on the size of the engine.
It succeeded the
Maserati Tipo 26M, and was itself slowly replaced by the
Maserati 6CM
The Maserati 6CM is an Italian single-seater racing car, made by Maserati of Modena from 1936 to 1940 for the Voiturette racing class. Twenty-seven were built on the Maserati 4CM frame, with front suspension as on the Maserati V8RI, and had a ...
around 1936.
References
{{Maserati
4CM
Grand Prix cars