Customized excavator boom bushing OEM 4381855 bucket bushing suitable for Hitachi 330

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Alloy steel (such as 40Cr, 45# steel)

 such as 40Cr, 45# steel, etc. After quenching, tempering and other heat treatment processes, it can obtain higher strength, hardness and wear resistance, can withstand larger loads, has relatively low cost, and is suitable for medium-load working environments.

High quality excavator bucket bushing OEM 4438771 suitable for Hitachi 330

1. Adaptability and performance improvement

Customized design:

Strictly manufactured according to the structural parameters of the Hitachi 330 boom to ensure that the aperture, wall thickness, and tolerance are fully matched with the original parts.

Optimize the geometric shape (such as adding reinforcement ribs) to improve the ability to resist deformation.

Machine control optimization:

High-precision bushings reduce boom action lag, improve excavation accuracy and operational response speed.

2. Adaptability to special working conditions

Heavy-load operation: In high-load scenarios such as mines and quarries, high-strength materials can withstand long-term stress.

Extreme environment:

Cold areas: Low-temperature tempering process enhances impact resistance.

Wet environment: Stainless steel material or galvanized surface treatment prevents rust.

Failure risk and bushing effect

If the boom bushing is worn or fails, it may cause:

The boom sinks or the action is stuck, affecting the working efficiency.

The gap between the pin and the bushing is too large, causing abnormal vibration and noise.

The cylinder piston rod or other structural parts are damaged.

OEM 4381855 aims to solve the above problems through material innovation (such as high-strength copper alloy) and process optimization (such as centrifugal casting) to ensure the long-term stable operation of Hitachi 330 under complex working conditions.

FAQs

Q1: What is the typical application for the High Quality Excavator Bucket Cylinder Upper Pin Shaft?

A1: This pin shaft is specifically designed for excavator bucket cylinders, suitable for high-demand tasks in construction, mining, and heavy machinery operations.

Q2: Can you customize the pin shaft for other machine models?

A2: Yes, we offer full customization services for pin shafts based on your specifications, ensuring compatibility with a wide range of machinery models.

Q3: How do you ensure the durability of your excavator pin shafts?

A3: We use advanced heat treatment processes and high-quality materials to enhance the hardness and wear resistance of the pin shafts, ensuring long-lasting performance.

Q4: What materials are used for manufacturing the pin shaft?

A4: Our pin shafts are made from premium alloys such as 45C, 42CrMo4, and 41Cr4, selected for their durability and ability to withstand heavy-duty use.

Q5: Do you provide after-sales support for your excavator pin shafts?

A5: Yes, we provide comprehensive after-sales support, including product guidance, warranty services, and troubleshooting assistance to ensure continued operation.

Q6: How do I place a custom order for the pin shaft?

A6: Simply provide us with your design drawings or specifications, and we’ll create a customized pin shaft tailored to your exact requirements.

Q7: Can you ship to international locations?

A7: Yes, we can deliver our high-quality excavator pin shafts worldwide, offering efficient shipping and timely delivery to your location.

Q8: Are your pin shafts compatible with other excavator brands?

A8: Our pin shafts are designed for a wide range of excavators, including those from Sany Heavy Industry, but we can also customize them for other brands as needed.