Second Hand Mitsubishi Engine Blocks , 4D34 Used Engine Block For Excavator HD512-2
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Second Hand Mitsubishi Engine Blocks , 4D34 Used Engine Block For Excavator HD512-2
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Features
Basic Infomation
Place of Origin: Japan
Brand Name: Mitsubishi
Model Number: 4D34
High Light:

4D34 Second Hand Mitsubishi Engine Blocks

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4Cylinder Second Hand Mitsubishi Engine Blocks

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HD512-2 Second Hand 4 Cylinder Engine Block

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: HD512 - 2
Engine Model: 4D34
Type: Diesel Engine
Condition: Used
Color: Same As Pictures
Material: Steel
Quality: High Quality
Size: Standard
Category: Cylinder Block
Product Description

 

 

4D34 Diesel Used Engine Blocks For Excavator HD512 - 2 Water Cooling

 

 

Specification

 

Engine type: Diesel Cylinder stroke: 104
Application: Excavator Cooling: Water Cooling
Condition: Original Used Cylinder diameter: 115
Injection: Direct Engine number: 4D34

 

 

Description

 

Testing the pressure in the engine block is a way to identify if the engine cylinder or engine heads are leaking. Usually you want to test the pressure in an engine if you notice it is leaking engine cooling liquid, and it is not leaking via the hoses or the radiator. Testing the pressure on an engine block can be a time-consuming and difficult task, but it can be done more efficiently with the right tools.

 

Common problems with engine blocks

 

Being a big, precision machined, hunk of metal, the engine block is designed to last the lifetime of the car. But sometimes things do go wrong.

 

These are the most common engine block failures:

 

External engine coolant leak


Puddle of water/antifreeze under the engine? It might be caused by a leak from the water pump, radiator, heater core, or a loose hose, but sometimes it’s the engine block itself. The block can crack and begin leaking, or a freeze out plug could work its way loose or rust out. Freeze out plugs can be easily replaced, but cracks are usually terminal.

 

Worn/cracked cylinder


Eventually, after hundreds of thousands of miles, the smooth machined walls of the cylinders will wear to a point where the piston rings can't seal against them well. On rare occasion, the cylinder wall can develop a crack, which will quickly result in a motor needing a rebuild. Worn cylinders can be bored larger, for oversized pistons, and in extreme cases (or in aluminum blocks) iron sleeves can be inserted to make the cylinder walls perfect once again.

 

Porous engine block


Caused by contaminants which got into the metal during the manufacturing process, voids in the casting often cause no issues at all for a long time. Eventually a poorly cast block can start to seep and leak, either oil or coolant, from the area where the imperfections are. There's nothing you can do about a porous engine block, because it'll have been faulty from the day it was molded. Having said that, any leaks that may arise from a porous block should be minor and if they surface within the manufacturer's warranty period the engine should be replaced free of charge.

 

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