C3925400 Dongfeng Cummins 6BT cylinder head /C3925400/6BTA/6BTAA/EQ153 of cylinder head and cylinder head with a gas valve assembly /Cummins/ Dongfeng Cummins Cummins engine with

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The number 6 cylinder bore 102mm type C3925400 type parallel cylinder displacement B5.9L cylinder head mounted on the cylinder above the sealing cylinder from the upper and a combustion chamber. It is often in contact with high temperature and high pressure gas, so it can bear a lot of heat load and mechanical load. The cylinder cover for internal water-cooled engine cooling water jacket cooling water cooling water under the cylinder head and the cylinder end faces of the same. The use of circulating water to cool the combustion chamber and other parts of the high temperature. the cylinder head is arranged on the inlet and exhaust valve seat, valve guide hole, for the installation of inlet and exhaust valve, and an intake passage and an exhaust passage. The cylinder cover of the gasoline engine is provided with a hole for mounting the spark plug, and the cylinder head of the diesel engine is provided with a hole for mounting the injector. The cylinder head of the overhead cam shaft type engine is also provided with a camshaft bearing bore. the cylinder cover generally adopts cast iron or alloy cast iron, thermal conductivity Aluminum Alloy good, is conducive to improve the compression ratio, so in recent years Aluminum Alloy cylinder head is more and more used. the cylinder cover is part of the combustion chamber, a great impact on the work of the engine combustion chamber shape, the combustion of gasoline and diesel engines, the cylinder head is composed of combustion chamber part difference. Gasoline engine combustion chamber is mainly in the cylinder head, and the combustion chamber of the diesel engine mainly in the piston top of the pit. " O