3KR1 Used Connecting Rod For Excavator 8 - 97310351 - 0 8 - 97077790 - 5
Specification
| Engine number: 3KR1 |
| Application: Excavator |
| Injection: Eddy |
| Engine type: Diesel |
| Number of cylinders: 3 |
| Quality: High quality |
| Size: Standard |
| Packing Neutral: Packing |
Description
Connecting rods – the types you can choose from
Structure of a connecting rod
The connecting rod consists of a connecting rod shank that links the connecting rod’s small end with the connecting rod’s big end. The small end sits on the piston pin and the big end sits on the crankshaft. The connecting rod itself can have different cross-sections, which define the respective connecting rod type, for example, I-beam, X-beam, or H-beam.
For installation, the big end is split on the crankshaft and mounted on the crank pin with a slide bearing. The small end bears the piston pin and has a bearing bushing. For optimal lubrication, an oil duct is usually drilled through the connecting rod through which the pistons are lubricated.
The way the big end is split may also vary: there are straightly split connecting rods and diagonally split connecting rods (the latter, for example, in diesel engines).
The separation procedures also vary: the rods may be cracked (broken) or milled/ground. During cracking, the piston rods are first manufactured in one piece and then a notch is made in them. They are then broken at this notched predetermined breaking point (cracked). This type of separation enables particularly great force transmission, as the connecting rod and connecting rod bearing cap fit together precisely. To ensure that they fit together accurately, the connecting rod and connecting rod bearing cap must always be used together and cannot be replaced individually.
What types of connecting rods are there?
Connecting rod with H-beam
The cross-section of connecting rods with an H-beam resembles a capital ‘H’, which is where they get their name from. They are designed for engines that run with a lot of hp at low speeds: usually charged engines with a turbocharger or compressor. These are optimal to withstand the pressure from compression. One example of this is our H-beam connecting rod for the 2.5L TFSI like in the Audi RS3.
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3KR1 Used Connecting Rod Iron Material For Excavator 8-9731035 1-0 8-97077790-5 Images
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