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Feb 13, 2009

TRUCK'S STORY * Germany - Mercedes Benz

First direct injection engines for trucks and buses arrived in 1964

Stuttgart,Germany -Mercedes-Benz-Blog (PR) -Feb 12, 2009: -- Just one year after the new cab-over-engine trucks of the LP series came on the scene in 1963, they and their snub-nosed colleagues got new engines. After a good 40 years, Daimler-Benz bid farewell to the precombustion chamber principle which was introduced in 1923, introducing direct injection in 1964 in the shape of two new in-line six-cylinder engines: the 10.8 litre OM 346 and the OM 352, displacement 5.7 litres, superseded the prechamber diesels OM 326 and OM 322... The new OM 352 was intended for the medium-duty Mannheim trucks with the model designations 1113 and 1114 and for the O 321 H/HL and O 322 busses. The OM 352 with a displacement of 5.7 litres developed exactly 126 hp; the rated engine speed was 2800 rpm. The OM 352 attained its maximum torque of 353 Newton metres at 1600 rpm... (Photos: -above- The OM 352 -below- The famous 1114)

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