8E5309 CORNER BUCKET TOOTH ADAPTER for J300-SERIES

High-Quality 8E5309 CORNER BUCKET TOOTH ADAPTER | J300-SERIES

In construction and earthmoving machinery, wear and tear on bucket edges is inevitable. To maximize equipment protection and improve operational efficiency, choosing premium attachments is crucial. The 8E5309 Adapter is engineered to withstand extreme working environments, making it the ideal choice for protecting your bucket corners and securing bucket teeth.

Product Overview

The 8E5309 CORNER BUCKET TOOTH ADAPTER is specifically designed for heavy-duty excavator and loader buckets. It not only securely holds the bucket tooth but also effectively protects the bucket's side corners from severe abrasion and impact. As a key component of the J300-SERIES, this adapter is fully compatible with all standard J300 series teeth and pin systems, ensuring easy installation and stable connections.

Specifications & Core Advantages

Part Number: 8E5309

Compatible Series: J300-SERIES (Cat J300 Style)

Product Type: CORNER BUCKET TOOTH ADAPTER

Position: Right-Hand (RH) – Note: The corresponding left-hand model is 8E5308

Lip Thickness Compatibility: 1.00" - 1.25" (approx. 25mm - 32mm)

Mounting Type: 2-Bolt-on

Hardware: Compatible with 1.25" bolts (e.g., 8T9079, 6V8360) and corresponding 3K9770 nuts.

Weight: Approx. 16.5 kg (actual weight depends on casting process and material composition)

Exceptional Wear Resistance: Precision-cast from high-strength alloy steel and treated with advanced heat processes, offering outstanding impact and wear resistance to significantly extend service life.

Perfect Fitment: Manufactured strictly to OEM standard dimensions, ensuring a seamless fit with the bucket lip and teeth, which minimizes vibration and loosening during operation.

II. Material & Manufacturing

In the global supply chain, the quality of Wear Parts directly determines equipment uptime and customer repeat purchase rates.

High-Strength Alloy Steel: Manufactured using precision investment casting with high-quality alloy steel, ensuring a dense internal structure free from porosity or shrinkage cavities, and providing exceptional load-bearing capacity.

Advanced Heat Treatment: Subjected to rigorous quenching and tempering processes to maintain a stable hardness range of HB 470–520. It balances high yield strength (≥1100 N/mm²) with excellent low-temperature impact toughness, effectively preventing brittle fracture in harsh excavation environments.

Surface Treatment: Finished with standard industrial yellow or black anti-rust paint for superior corrosion resistance; customization of colors or brand logos is also available to meet specific overseas customer requirements.

III. Compatibility & Application

The 8E5309 corner adapter is widely used on various medium-to-heavy-duty wheel loaders and track loaders.

Primary Equipment Compatibility: Dimensions strictly match OEM specifications; suitable for models such as the 950, Buckets for classic loader models such as the 944, 953, 960, 962, and 963.

Compatible Teeth: Seamlessly fits all J300-style standard bucket teeth, including the 1U3302 (Standard Long), 1U3302RC (Rock Chisel), 1U3302WTL (Twin Tiger), and more.

Application Scenarios: Engineered for high-intensity operations in quarries, mining, heavy earthmoving, and aggregate handling. Beyond securely locking the bucket teeth, its thickened, wear-resistant design effectively withstands lateral shear forces and severe abrasive wear, protecting the bucket body itself.

Why Choose Us? Sourcing and Commercial Advantages

As a leading Bucket Tooth and adapter manufacturer, we understand that quality is the lifeline of ground engaging tools. We are dedicated to providing global clients with cost-effective and highly durable wear parts.

Comprehensive Custom Services: Beyond standard models, we fully support Custom orders. Whether you need specific material compositions, unique paint colors, or personalized logo stamping, our engineering team can meet your exact requirements.

OEM Capabilities & Cost-Effective Aftermarket Solution: Backed by mature production lines and a strict quality control system, we provide reliable OEM manufacturing services for various well-known international brands.Dimensions and performance meet or exceed OEM standards while offering more competitive procurement costs for end-users and regional distributors.

One-Stop Assembly Supply: We offer a complete "bucket corner update kit"—including the 8E5308 (Left-hand), matching J300 teeth, and high-strength mounting bolts—significantly reducing fragmented sourcing costs for procurement managers.

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Ready to boost your equipment's performance?

Need to place a bulk order? Contact us for special offers on the 8E5309 adapter or the complete J300 corner adapter kit, and let’s discuss your custom production and OEM part requirements!