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6D16 Diesel Used Engine Blocks For Excavator SK330-6 ME994214

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6D16 Diesel Used Engine Blocks For Excavator SK330-6 ME994214

Country/Region china
City & Province guangzhou
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Product Details

 

 

6D16 Diesel Used Engine Blocks For Excavator SK330 - 6 ME994214

 

 

Specification

 

Car name: Engine cylinder block
Model Number: 6D16
Cylinder stroke: 115
Cylinder diameter: 118
Application: Excavator
valve: 12 valve
Cooling: Water cooling
Injection: Direct

 

 

Description

 

Engine Block

 

The suppliers of engine blocks are constantly striving to manufacture better and lighter blocks in order to improve and enhance the efficiency of automobile engines. The engine block (or cylinder block / crankcase) is the largest and most intricate single piece of metal used in an internal combustion engine on to which other important engine parts are mounted. Generally it is produced as a near net-shape casting and selectively machined to provide the locally required surface quality.


The engine block alone accounts for 3-4% of the total weight of the average vehicle. Thus it played a key role in all weight-reduction considerations. Aluminium casting alloys as a substitute for the traditional cast iron can mean a reduction in engine block weight of between 40 and 55%, even if the lower strength of aluminium compared to grey cast iron is considered.


The application of aluminium engine blocks started in gasoline engines in the late 1970s. Due to the more demanding technical requirements, however, substitution of cast iron was very limited in diesel engines until the mid 1990s. Only with the increasing numbers of diesel engines, the need to use lightweight design criteria was getting more and more important for diesel engines too. Around 2005, the market share of aluminium engine blocks reached 50% and its market penetration is further increasing. Today, blocks for gasoline engines are commonly made from aluminium and with the ongoing aluminium alloy developments, its application is also strongly growing in diesel engine blocks.

 

Aluminium block

 

Apart from the lightweighting potential, using aluminium casting alloys for the production of cylinder blocks has further benefits such as the better thermal conductivity compared to grey cast iron. Bearing in mind that practically all pistons and most of the cylinder heads are also made from aluminium, the use of a similar material also eliminates compatibility problems between grey cast iron and aluminium. As an example, the build-up of high thermal stresses during the start-up and after the stop of the engine due to the different thermal expansion can
be avoided.

 

 

 

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