MAN hopes to become technology leader

Investments of 200 million euros for the new engines series -- 10 percent less weight

Munich. Commercial vehicle manufacturer MAN hopes to become a technology leader within the next few years with its new D20 engine series.

The Munich company has invested four years of engineering time and approximately 200 million euros in the project.

The result is a six-cylinder inline engine that is smaller, lighter and more powerful yet quieter than its predecessor, the D2866. The direct-injection motor has a performance span from 310 hp to 430 hp with a capacity of 10.5 liters.

It is made of the high-strength iron casting material GJV-450. The more rigid crankcase enables a significantly higher ignition pressure than its predecessor.

The injectors, made by Bosch, also are new and are placed at the center of the cylinder head..

In the D20, fuel consumption and exhaust emissions are reduced by 5 percent. The engine complies with both Euro-4 and Euro-5 regulations. The engine has a total of 25 percent fewer components than its predecessor and weighs 100 kilos less.

With the D20 there is no direct exchange of motor oil and cooling liquid between the cylinder block and the cylinder head. The crankcase and cylinder head are supplied by parallel but separate circulation systems. This allows for an interval between service of up to 120,000km.

The new series is built to last to 1.5 million kilometers. The plan is to build 1,000 units this year.

Tags: Suppliers

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