Raptors, the authorized dealer of Cummins (China), established in 2015 by Mr. Jordan Wang who worked in Cummins (China) for 8 years, Jordan had been responsible for mine market for 4 years during working in Cummins china, so we have big advantages for almost all genuine Cummins generators, engine assembly and spare parts, especially for NTA855, KTA19, KTA38, KTA50, QSK60, QSX15 etc…
Part name: | Cylinder Head |
Part number: | 3411804/3406729/3075422 |
Brand: | Cummins |
Warranty: | 6 months |
Material: | Metal |
Color: | Silver |
Packing: | Cummins Packing |
Feature: | Genuine & Brand New |
Stock situation: | 20 pieces in stock; |
Unit weight: | 43kg |
Size: | 16*8*12cm |
The cylinder head is installed on the top of the cylinder block, which seals the cylinder from the top and constitutes the combustion chamber. It is often in contact with high temperature and high pressure gas, so it bears a large thermal load and mechanical load. A cooling water jacket is made inside the cylinder head of the water-cooled engine, and the cooling water hole on the lower end face of the cylinder head communicates with the cooling water hole of the cylinder block. Use circulating water to cool high temperature parts such as the combustion chamber.
The cylinder head is also equipped with intake and exhaust valve seats, valve guide holes for installing intake and exhaust valves, as well as intake and exhaust passages. The cylinder head of a gasoline engine is machined with holes for installing spark plugs, while the cylinder head of a diesel engine is machined with holes for installing fuel injectors. The cylinder head of the overhead camshaft engine is also machined with a camshaft bearing hole for installing the camshaft.
The cylinder head is generally made of gray cast iron or alloy cast iron. The thermal conductivity of aluminum alloy is good, which is beneficial to improve the compression ratio.
The cylinder head is an integral part of the combustion chamber. The shape of the combustion chamber has a great influence on the operation of the engine. Due to the different combustion methods of gasoline engines and diesel engines, the parts of the cylinder head that make up the combustion chamber are quite different. The combustion chamber of a gasoline engine is mainly located on the cylinder head, while the combustion chamber of a diesel engine is mainly located in the pit on the top of the piston.
Cummins engines are mainly used in heavy vehicles, large buses, construction machinery, mining machinery, petroleum machinery, rail machinery, port machinery, fixed and mobile diesel generator set power station, marine propulsion power set and auxiliary power set.
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