4217011261, 421-70-11261 BUSHING KOMATSU

The 421-70-11261 BUSHING KOMATSU is a high-precision, wear-resistant component engineered to support the rotational performance of critical moving parts in Komatsu heavy-duty construction equipment. Designed for durability and flawless fit, this bushing plays a vital role in minimizing friction, enhancing equipment performance, and extending machine lifespan, especially under high-load and high-impact conditions typical on job sites.

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Technical Specifications

• Part Number: 421-70-11261

• Product Category: Bushing

• Material: High-strength alloy steel with heat treatment

• Finish: Precision-ground and lubricated

• Features:

• Inner lubrication grooves for reduced friction

• Precision-engineered dimensions for tight tolerance fit

• Drilled oil hole for continuous lubrication

• Corrosion and wear resistant

• Function: Allows controlled movement and alignment of pins and shafts within the assembly while absorbing shock and reducing wear

• Installation Area: Typically used in boom, arm, or bucket joints of Komatsu excavators and loaders

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Detailed Description

Heavy machinery components like the 421-70-11261 BUSHING KOMATSU are essential for ensuring long-term performance and structural stability in Komatsu machines. This part acts as a protective sleeve that houses pins and shafts in articulating joints, areas that undergo repeated stress due to digging, lifting, and rotating movements. By reducing metal-to-metal contact, this bushing prevents wear and misalignment in vital joints.

Manufactured from premium-grade steel and processed through precise heat treatment, this bushing boasts increased hardness, surface strength, and durability. Its smooth bore and outer surface finish minimize resistance and ensure the bushing remains stable even under intense operational forces. The internal lubrication grooves and oil holes help retain and circulate grease effectively, keeping the joint well-lubricated and resistant to overheating.

This component is easy to replace during standard maintenance routines and does not require complex modifications, making it a cost-effective solution for maximizing uptime on Komatsu machinery.

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Key Features

• OEM-Quality Engineering: Produced using high-tolerance CNC machining for perfect fitting with OEM dimensions.

• Enhanced Load Distribution: Designed to distribute operational stress across the joint, preventing premature wear and component fatigue.

• Lubrication-Friendly Design: Grooved inner wall with oil port allows efficient grease flow to reduce wear and noise.

• Corrosion-Resistant Finish: Built to perform in muddy, wet, dusty, or chemically abrasive environments.

• Quick Replacement: No special tooling required for installation; minimizes machine downtime.

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Compatible KOMATSU Models

The 421-70-11261 BUSHING KOMATSU is commonly used in various Komatsu machinery models, including:

• Komatsu PC200 series (e.g., PC200-6, PC200-7, PC200-8)

• Komatsu PC210 series (PC210-8, PC210LC-8)

• Komatsu PC220 series

• Komatsu PC240 and PC270 series excavators

These models often use this bushing at pivot points in the boom, arm, or bucket linkage systems. Always cross-reference your equipment manual to confirm exact compatibility.

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Role in Excavating Systems

Bushings like the 421-70-11261 are pivotal in protecting more expensive components from degradation due to friction, debris, and heavy mechanical stress. Whether the excavator is loading gravel or trenching in a confined site, the bushing absorbs kinetic impact and reduces vibration that would otherwise compromise the machine’s structural integrity.

This part contributes directly to:

• Improved alignment of working arms

• Smooth bucket articulation

• Reduced noise during operation

• Minimized risk of joint seizure

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Maintenance and Replacement

Routine inspection and replacement of worn-out bushings is key to keeping Komatsu machines in optimal working condition. For best performance:

• Inspection Interval: Every 500 hours or per OEM guidelines

• Greasing Frequency: Daily or depending on workload

• Signs of Wear: Excessive movement, visible scoring, or dry joints

• Replacement Tip: Always replace bushings in pairs or sets when applicable to ensure balanced wear

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Why Choose 3GEN Export

At 3GEN Export, we specialize in the global supply of OEM-standard spare parts for Komatsu and other heavy equipment brands. We understand how critical uptime is for construction, mining, and infrastructure operations. That’s why we offer:

• High-quality OEM-standard parts like 421-70-11261 BUSHING KOMATSU

• Competitive prices and volume discounts

• Worldwide delivery within 5 working days

• Expert customer support for product fitment and sourcing

• Zero tolerance for subpar quality, your equipment deserves precision

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Conclusion

The 421-70-11261 BUSHING KOMATSU is more than just a sleeve; it’s a cornerstone of durability in Komatsu machines. Designed to withstand the unforgiving demands of excavation and earthmoving, this part ensures smooth joint operation and prevents costly downtime. Equip your machines with top-tier components from 3GEN Export and keep your operations moving forward without interruption.

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.