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VM Motori was founded by two entrepreneurs, Claudio Vancini and Ugo Martelli (hence the "VM") in 1947.
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In 1947, the company produced the first Italian air-cooled diesel engine with direct injection.

In 1964, the company introduced entire new families of air-cooled diesel engines for fishing boats and the industrial machine markets.

The year 1974 saw the introduction of a new series of high-speed (4,200 rpm) HR-series, pre-combustion chamber, water-cooled, turbocharged engines.

The Alfa Romeo Alfetta, produced in Arese, rolled off the line with a VM Motori engine under the bonnet in 1979, signaling VM's move to the OEM automotive market. This was Italy's first turbodiesel engine.[1] The engines still retained some maritime features, such as individual heads for each cylinder - a design which made it easier to produce different cylinder configurations.[9]

During the 1980s, British Leyland chose VM engines as the smoothest, most petrol-like units available for diesel models of their Range Rover and Rover SD1; the choice continued with the later Rover 800.

The Covini B24, T40 and C36 models all used VM Motori turbodiesel engines ranging from 4 to 6 cylinders.[10][11]

The after-cooled, electronic-combustion, "Turbotronic" engine was unveiled in 1990. It was supplied to Alfa Romeo, Chrysler, Ford, General Motors, and Rover.

In 1995, when OEM automotive sales accounted for 75% of income, a major deal with Chrysler saw agreements to supply engines for their Jeep Grand Cherokee and Voyager (2.5-litre) models. VM Motori's 2.8-litre common rail turbodiesel engine was chosen for the Jeep Liberty CRD(Cherokee in Europe). The 2005 and later Chrysler Grand Voyager and 2012 model year Chevrolet Colorado

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from

https://en.wikipedia.org/wiki/VM_Motori