6D31 Excavator Used Engine Blocks For Excavator HD700-7 SK200-3 ME996345
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6D31 Excavator Used Engine Blocks For Excavator HD700-7 SK200-3 ME996345
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Features
Basic Infomation
Place of Origin: Japan
Brand Name: Mitsubishi
Model Number: 6D31
High Light:

6D31 Used Engine Blocks

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HD700-7 Used Engine Blocks

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SK200-3 Used Engine Blocks

Payment & Shipping Terms
Packaging Details: Neutral Package or Fumigation Free
Delivery Time: 5 - 8 work days
Payment Terms: D/P, T/T
Supply Ability: 10 pieces
Specifications
Excavator Model: HD700 - 7
Engine Model: 6D31
Product Name: Engine Cylinde Block
Part Number: ME996345
Condition: Used
Type: Diesel Engine
Quality: High Quality
Color: Same As Pictures
Product Description

 

 

6D31 Excavator Used Engine Blocks For Excavator HD700 - 7 SK200 - 3 ME996345

 

 

Specification

 

Engine type: Diesel Model Number: 6D31
Cylinder stroke: 105 Cylinder diameter: 100
Application: Excavator valve: 12 valve
Cooling: Water cooling Injection: Direct

 

 

Description

 

Construction:

 

An automotive engine mainly consists of three stationary parts which are cylinder head, cylinder block, and crankcase. They provide support and serve as an enclosed unit for other moving parts. Modern engines consist of cylinder block and crankcase as a single unit which provides rigidity. The crankcase has ribs cast into it which gives added strength and also supports main and camshaft bearings. In some large engines, the block may also employ a separate crankcase for the crankshaft.

 

Design process:

 

The cylinder block is one of the most important designs in the engine. Just as head, the cylinder block is also designed to achieve certain performance parameters. It must sustain very high pressures and temperatures running above 600 degrees Celsius. So, manufacturers use precision methods to design and manufacture cylinder blocks. They employ precision machining to give mirror finish to cylinder surfaces. This includes accurate grinding and honing processes.

 

Materials:


Usually, manufacturers use grey cast iron for cylinder blocks while sometimes adding nickel and chromium. Nowadays, they also use aluminum to reduce weight and improve performance. However, the aluminum blocks use cast-iron or steel sleeves on cylinders. Most engines prefer cast-iron for cylinder walls as it has lower wearing qualities. Some small engines use chromium for plating cylinder walls to reduce wear & increase service life.

 

Manufacturers are conducting tests on silicon-aluminum alloys for their use in cylinder blocks. These alloys have a low coefficient of thermal expansion and high wear resistance. Besides, aluminum alloy blocks maintain more uniformity of temperature because of their thermal conductivity. Often, manufacturers use the block, head, and crankcase made of aluminum alloy. Grey cast-iron for the block is the same that is used for the head. However, aluminum alloys are usually quite different. Cast iron is still used for heavy applications such as commercial engines, rail- engines and marine engines.

 

6D31 Excavator Used Engine Blocks For Excavator HD700-7 SK200-3 ME996345 06D31 Excavator Used Engine Blocks For Excavator HD700-7 SK200-3 ME996345 1

 

 

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