31LM-30320 PIN

The 31LM-30320 PIN HYUNDAI is a premium-quality pivot pin engineered for HYUNDAI excavators. It plays a critical role in the movement of boom, arm, and bucket linkages, ensuring stable and smooth articulation even in demanding conditions like construction, mining, and earthmoving. Manufactured with high-strength steel and precision-ground surfaces, this pin offers exceptional wear resistance, load-bearing capacity, and durability.

Backed by 3GEN Export’s global supply network, the 31LM-30320 PIN HYUNDAI is available for worldwide delivery within 5 working days, helping operators reduce downtime and maintain machine efficiency.

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Technical Specifications

• Part Number: 31LM-30320

• Component Name: Pin

• Material: Alloy steel with heat treatment

• Surface Finish: Induction-hardened, precision-ground

• Flange Design: Orange-coated flange with dual mounting holes

• Diameter: Approx. 50–60 mm (confirm for your model)

• Length: Approx. 180–200 mm

• Lubrication: Integrated grease hole for effective lubrication

• Application Area: Boom-to-arm and arm-to-bucket pivot points

• OEM Standards: Designed to match HYUNDAI specifications for performance and durability

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Detailed Description

The 31LM-30320 PIN HYUNDAI is built to endure extreme operational stress and repetitive motion cycles that are typical in excavator joints. It serves as the mechanical axis for the pivoting components of the machine, ensuring precise and controlled movement.

Key performance characteristics include:

• Superior Wear Resistance: Thanks to induction hardening and a polished surface, friction is minimized between the pin and the bushing.

• High Core Strength: Its alloy steel composition prevents bending or deformation under heavy loads.

• Corrosion Protection: Coated flange resists moisture, dirt, and abrasive elements.

• Precision Engineering: Manufactured to tight tolerances to prevent joint misalignment and reduce equipment wear.

By using the 31LM-30320 PIN HYUNDAI, you can ensure longer-lasting performance and better reliability of your excavator’s linkage system.

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Key Features

• OEM-Grade Replacement: Meets or exceeds original part performance.

• Enhanced Longevity: Designed to last under heavy-duty applications.

• Easy Maintenance: Equipped with a grease port for proper lubrication.

• Secure Fitment: Flange design ensures stability during operation.

• Quick Global Supply: Delivered by 3GEN Export within 5 working days.

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Compatible HYUNDAI Models

The 31LM-30320 PIN HYUNDAI is compatible with various HYUNDAI excavators, including:

• HYUNDAI R160LC-9

• HYUNDAI R180LC-9

• HYUNDAI R210LC-7

• HYUNDAI R220LC-9S

• HYUNDAI HX220L

• HYUNDAI R225LC-7

We recommend verifying compatibility with your machine’s parts manual or consulting our team before ordering.

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Role in Excavator Systems

Pins like the 31LM-30320 PIN HYUNDAI are essential components in the pivot systems of excavators. They:

• Provide the rotation axis for arms and buckets.

• Distribute heavy loads evenly to prevent structural damage.

• Work with bushings to reduce metal-to-metal contact and friction.

A well-maintained pin ensures smooth and accurate machine performance, preventing downtime and costly repairs.

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Maintenance and Replacement

To maximize the life of the 31LM-30320 PIN HYUNDAI, follow these tips:

• Grease regularly using the built-in lubrication hole.

• Inspect every 500 operational hours for signs of wear, pitting, or scoring.

• Replace pins and bushings as a set to avoid uneven wear.

• Ensure proper installation with hydraulic press tools for a secure fit.

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Why Choose 3GEN Export

At 3GEN Export, we specialize in supplying OEM-grade heavy equipment parts like the 31LM-30320 PIN HYUNDAI. We offer:

• High-quality parts at competitive prices.

• Fast worldwide delivery in 5 working days.

• Expert technical support for fitment verification.

• A trusted network serving construction and mining professionals globally.

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Conclusion

The 31LM-30320 PIN HYUNDAI is designed to deliver exceptional durability, load-handling capacity, and operational precision for HYUNDAI excavators. With 3GEN Export’s fast delivery and OEM-standard quality, you can keep your equipment running smoothly and efficiently.

Manufactured in Turkey, these products are made using the latest technologies and built to meet the highest international standards. Each machine is a high-quality copy of the original, ensuring durability, precision, and performance that you can rely on for modern construction and metalworking projects.