23B2711561 , 23B-27-11561 STUD BALL KOMATSU

Overview

The 23B-27-11561 STUD BALL KOMATSU is a critical load-bearing component engineered to connect and stabilize boom and arm assemblies in Komatsu heavy machinery. Designed with precision for high-stress environments, this stud ball ensures reliable pivoting motion and uniform weight distribution across the joint, allowing excavators and loaders to operate with enhanced stability and longer service life.

Manufactured under advanced metallurgical processes, the 23B2711561 STUD BALL KOMATSU combines hardened alloy steel with fine-surface grinding, achieving optimal hardness, impact resistance, and fatigue strength. This part is developed to handle continuous dynamic loads in rock excavation, mining, and construction applications.

3GEN Export supplies this component as a top-grade OEM alternative—tested, inspected, and guaranteed for high performance. With fast global delivery in 5 working days, we ensure uninterrupted operations for Komatsu equipment owners worldwide.

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Technical Description

The 23B-27-11561 STUD BALL KOMATSU acts as a spherical connection between the machine’s moving joints. Its main role is to absorb multi-directional forces while keeping the pivot assembly properly aligned.

This part features a precision-machined spherical head that allows the connected arms or rods to rotate smoothly even under high mechanical loads. The shaft portion of the stud ball includes threaded and polished ends to facilitate secure installation and alignment inside the housing bore or bracket.

Each 23B2711561 STUD BALL KOMATSU is manufactured using hardened Cr-Mo alloy steel, providing excellent resistance to deformation and wear caused by repetitive motion or shock impacts. The ball surface is ground to micro-tolerance levels (<0.005 mm), ensuring a frictionless interface with mating bushings or sockets.

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Material Composition

• Base Material: High-tensile chromium-molybdenum steel (heat treated)

• Surface Finish: Mirror-polished for low friction

• Hardness: 58–62 HRC (Rockwell scale)

• Corrosion Protection: Zinc phosphate and anti-oxidation coating

• Lubrication Compatibility: Suitable for both lithium and calcium-based greases

• Thread Type: Metric precision thread (rolled for tensile strength)

The combination of hardness, tensile capacity, and anti-corrosion coating allows this 23B-27-11561 STUD BALL KOMATSU to perform reliably even in environments with dust, high humidity, and abrasive materials.

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Dimensional Specifications

(Dimensions are approximate and may vary slightly depending on machine variant.)

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Functional Role in Komatsu Machinery

The 23B-27-11561 STUD BALL KOMATSU plays a vital role in connecting the boom, arm, or linkage components to the hydraulic frame. It serves as a spherical bearing surface that allows multi-axis motion without distortion.

By minimizing metal-to-metal contact and reducing friction, it ensures smoother movement and prevents misalignment in the hydraulic joints. This function is particularly important in heavy-duty excavators and wheel loaders operating under constant vibration and impact.

When the machine arm is extended or retracted, extreme tensile and compressive forces act upon the joint. The 23B-27-11561 STUD BALL KOMATSU absorbs these forces and transfers them evenly, maintaining joint integrity and preventing stress fractures in the housing or bushings.

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Engineering Features

1. Precision Spherical Geometry

The spherical head is engineered to micron-level accuracy to achieve perfect seating with the corresponding socket. This design allows the joint to rotate freely without producing excessive play or axial deviation.

2. Heat-Treatment for Longevity

Through a multi-stage induction hardening and tempering process, the stud ball achieves superior wear resistance. The core remains ductile for flexibility, while the outer shell is hardened to withstand abrasive contact.

3. Threaded Shaft for Secure Installation

The lower section of the 23B2711561 STUD BALL KOMATSU includes rolled threads that provide tight fitment in the mounting bracket. The rolled process increases tensile strength by up to 30% compared to cut threads.

4. Corrosion Protection

A dual-layer coating system—comprising zinc phosphate primer and anti-oxidation sealant—prevents rust formation and extends lifespan even in high-moisture construction zones.

5. Low-Friction Surface Finish

Polishing reduces coefficient of friction to 0.09, enabling effortless movement of boom assemblies and minimizing energy loss in hydraulic systems.

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Compatibility with Komatsu Models

The 23B-27-11561 STUD BALL KOMATSU is compatible with a wide range of Komatsu heavy equipment models, including:

• Komatsu PC200-6 / PC200-7 / PC200-8 Excavators

• Komatsu PC220-6 / PC220-7 / PC220-8

• Komatsu PC240LC-8 / PC270-7 / PC300-7

• Komatsu PC350 / PC400-7 / PC450-8

• Komatsu D85EX-15 / D155AX-6 Dozers

• Komatsu WA320 / WA380 Wheel Loaders

This stud ball is designed according to OEM specifications to ensure direct interchangeability with factory-fitted parts. No modification or special tooling is required during installation.

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Installation Guidelines

1. Preparation

Clean the socket or bracket bore using solvent and compressed air to remove debris or residue. Inspect for any distortion or corrosion before installing the new stud ball.

2. Alignment

Ensure that the spherical head aligns perfectly within the mating bushing. Misalignment can cause uneven load distribution, resulting in premature wear.

3. Torque Specification

Tighten the threaded end using a calibrated torque wrench to the manufacturer’s torque value (typically between 200–230 Nm depending on model).

4. Lubrication

Before final assembly, apply high-pressure lithium grease to the spherical surface. This reduces friction and increases the operational lifespan.

5. Inspection

After installation, verify free motion in all directions and ensure that no binding or excessive clearance exists in the pivot.

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Performance Advantages

• Superior Strength: Built from hardened alloy steel to handle up to 11 tons of static load.

• Precision Fitment: Ensures zero play under dynamic conditions.

• Extended Lifespan: Engineered for more than 15,000 operating hours under normal duty cycles.

• Corrosion Resistance: Surface treatment resists oxidation in humid or dusty sites.

• Reduced Downtime: Direct replacement—no machining, fitting, or modification required.

• Universal Compatibility: Suitable for multiple Komatsu series with identical bore sizes.

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Applications

The 23B-27-11561 STUD BALL KOMATSU is ideal for:

• Excavator boom and arm joint connections

• Steering and linkage mechanisms in dozers

• Hydraulic lifting pivots in loaders

• Articulated connections in mining shovels

• Frame alignment assemblies in construction machinery

Whether used in road construction, mining pits, or quarry operations, this stud ball ensures mechanical stability and consistent motion control under variable stress conditions.

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Maintenance Tips

To maximize service life and prevent mechanical failure:

• Re-grease the joint every 250 operating hours or as per Komatsu’s maintenance schedule.

• Regularly inspect for wear marks or loosened threads.

• Replace the part if surface pitting or excessive clearance is observed.

• Avoid dry operation—always maintain adequate lubrication levels.

Proper maintenance of the 23B-27-11561 STUD BALL KOMATSU contributes significantly to reducing equipment downtime and operational costs.

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Quality Assurance

Every 23B-27-11561 STUD BALL KOMATSU distributed by 3GEN Export undergoes a strict multi-phase quality inspection:

1. Dimensional Control: CNC inspection ensures adherence to Komatsu-level tolerances.

2. Hardness Testing: Each batch is verified using Rockwell scale measurements.

3. Ultrasonic Flaw Detection: Confirms absence of internal cracks or structural anomalies.

4. Load Simulation Tests: Parts are tested under simulated 7 ton dynamic loads for endurance.

5. Surface Roughness Analysis: Ensures consistent mirror finish for friction control.

These quality controls guarantee that every component delivered by 3GEN Export meets or exceeds OEM durability and precision standards.

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Why Choose 3GEN Export

3GEN Export is the global marketplace for heavy machinery spare parts, providing a complete range of OEM-grade components for Komatsu, Caterpillar, Hitachi, Volvo, and more.

• Worldwide Delivery: We ship to over 100 countries within 5 working days.

• OEM-Level Engineering: Designed for seamless integration with Komatsu equipment.

• Competitive Pricing: High-quality parts at efficient cost structures.

• One-Year Warranty: All components are covered under a 12-month performance warranty.

• Expert Support: Our engineers provide technical assistance for part selection and installation.

The 23B-27-11561 STUD BALL KOMATSU from 3GEN Export represents the perfect balance between precision, durability, and affordability for heavy-duty professionals.

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Technical Summary

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Extended Applications

This part is not limited to excavators—it can also be applied in other Komatsu systems requiring high-precision load pivots. Typical integrations include:

• Swing Frame Assemblies: Balances the rotation torque between upper and lower chassis.

• Hydraulic Link Arms: Provides flexible movement during extension and retraction.

• Suspension Mounts: Enhances vibration absorption in wheel loaders and graders.

• Stabilizer Joints: Increases articulation range without compromising structure.

The 23B-27-11561 STUD BALL KOMATSU thus supports multi-functional use across Komatsu’s most demanding equipment categories.

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Packaging and Logistics

Every unit is packaged in anti-corrosion vacuum wrap and then enclosed in shock-resistant export cartons. Bulk orders are delivered on heat-treated pallets with labeled part numbers and barcodes for warehouse integration.

3GEN Export maintains logistics hubs in Turkey, Germany, and the UAE, ensuring rapid customs clearance and regional supply efficiency. Each shipment includes:

• Inspection certificate

• Material test report (MTR)

• Packing list and invoice

• Warranty documentation

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Environmental and Safety Compliance

The 23B-27-11561 STUD BALL KOMATSU conforms to:

• ISO 9001:2015 Quality Management System

• ISO 14001:2018 Environmental Standards

• RoHS and REACH material safety directives

• EU Machinery Directive 2006/42/EC

No hazardous coatings or restricted materials are used during production, ensuring full compliance with international safety standards.

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Long-Term Value

Investing in the 23B-27-11561 STUD BALL KOMATSU means investing in the longevity of your machinery. When properly maintained, this part can extend the operational life of boom assemblies by up to 40 % compared to uncoated or sub-standard alternatives.

The part’s hardened spherical surface eliminates micro-pitting and galling—common causes of joint wear—leading to improved performance and smoother hydraulic motion.

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Conclusion

The 23B-27-11561 STUD BALL KOMATSU / 23B2711561 STUD BALL KOMATSU stands as an advanced engineering solution for Komatsu excavators, dozers, and loaders. With superior material strength, optimized surface finish, and robust corrosion protection, it ensures reliable articulation in the harshest working conditions.

Supplied exclusively by 3GEN Export, this stud ball represents precision, strength, and trust in one component—delivered anywhere in the world within just 5 working days.

    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.