154-21-71320 BUSHING

The 154-21-71320 BUSHING KOMATSU is a premium-grade component engineered for KOMATSU heavy machinery applications. This bushing plays a crucial role in stabilizing rotational and sliding parts within earthmoving systems, especially in high-load zones such as the boom, arm, and bucket linkages. Designed for wear resistance and structural durability, it extends the service life of your machinery and helps minimize costly downtime during operations.

Technical Specifications

• Part Number: 154-21-71320

• Component Type: Bushing (Flanged, cylindrical)

• Material: High-tensile, heat-treated alloy steel

• Manufacturing Standard: OEM-level precision

• Finish: Machined surface with anti-friction properties

• Dimensions: Available upon request

• Application: Heavy-duty articulation joints and bearing seats

• Surface Hardness: HRC 60±2 (typical for wear resistance)

• Lubrication: Grease groove design for improved maintenance cycles

• Packaging: Corrosion-protected wrap, export-safe boxing

Detailed Description

The 154-21-71320 BUSHING KOMATSU is built to withstand the rigorous demands of excavating and material-handling environments. Manufactured using alloy steel, this bushing is heat-treated to ensure maximum resistance to wear, galling, and deformation under extreme pressure. Its flanged design prevents axial displacement and ensures a secure fit inside housings.

KOMATSU machinery operates in some of the toughest construction environments worldwide. Without a reliable bushing, pivotal points in the boom, stick, or bucket become vulnerable to accelerated wear. This specific part—154-21-71320—is crafted for consistent performance and longevity, ensuring that joint mechanisms maintain alignment, reduce friction, and prevent premature breakdowns.

Wear-Resistant Engineering

The bushing features concentric machining, uniform wall thickness, and a polished surface to support smooth articulation. It is optimized to allow efficient grease flow via internal grooves, enhancing the self-lubricating property of the component and reducing the need for constant servicing.

Heavy-Duty Compatibility

The part is compatible with KOMATSU bulldozers, wheel loaders, and hydraulic excavators, offering both reliability and precision fitment. This makes it an ideal component for maintenance overhauls and equipment rebuilds across mining, construction, and infrastructure development sectors.

Key Features

• OEM Quality Fit: Produced to the highest industry specifications for seamless integration

• Superior Wear Resistance: Hardened outer and inner surfaces extend functional life

• Flange Retention: Added support against axial thrust and lateral displacement

• Precision Machining: Guarantees concentricity and consistent lubrication

• Corrosion Protected: Suitable for long-term storage and shipping

• Supports Heavy Load: Ideal for dynamic load zones in earthmoving systems

• Quick Replacement Cycle: Designed for fast installation during maintenance operations

Compatible KOMATSU Models

The 154-21-71320 BUSHING KOMATSU is widely compatible with the following KOMATSU models, typically found in the bulldozer segment:

• KOMATSU D155A Series (D155A-1 to D155A-6)

• KOMATSU D155AX Series (AX-3 / AX-5 / AX-6)

• KOMATSU D375A-1 and D375A-2

• KOMATSU D65PX-15EO (Certain applications)

• And select variants of the KOMATSU D275 and D355 series

Always confirm fitment using your KOMATSU parts manual or contact 3GEN Export technical support for part compatibility assistance.

Role in KOMATSU Excavating Systems

Bushings such as the 154-21-71320 are central to machine articulation. These cylindrical components house pins or shafts that experience rotational or oscillating movement. By acting as a sacrificial wear surface, they preserve the structural integrity of the bores and keep pivot mechanisms aligned.

Over time, bushings naturally wear out due to friction, abrasive materials, or misalignment. Replacing them at regular intervals ensures smoother operation, minimizes vibration, and protects critical load-bearing zones from wear-induced failure.

Maintenance and Replacement

Timely replacement of worn bushings is essential in heavy equipment maintenance strategies. The 154-21-71320 BUSHING KOMATSU offers a straightforward drop-in fit with minimal adjustments needed. For best results:

• Grease bushings before installation

• Use matched pins with similar hardness levels

• Inspect bore diameter for damage before insertion

• Replace in pairs or sets when applicable to prevent uneven wear

At 3GEN Export, we stock a full line of Komatsu-compatible bushings and associated hardware, available for global dispatch within 5 working days.

Why Choose 3GEN Export?

At 3GEN Export, we supply high-performance replacement parts for global clients operating in construction, mining, and industrial sectors. The 154-21-71320 BUSHING KOMATSU is part of our OEM-quality product lineup, which is manufactured using advanced metallurgy and strict quality controls.

Our commitment to customer satisfaction means:

• Fast worldwide delivery in 5 working days

• Dedicated support for technical inquiries

• Competitive pricing without compromising on quality

• Stock availability and custom production for volume orders

Whether you’re overhauling your bulldozer or upgrading your fleet, trust 3GEN Export to deliver reliable, high-precision components.

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.