581-6908 5816908 Cat Genuine Weld-On Half Arrow Cutting Edge

Technical Specification:
Part No.:581-6908 5816908 Cat Genuine Weld-On Half Arrow Cutting Edge
Weight: Welcome to inquire
Replacement: Brand Caterpillar
Material: Low alloy steel/Forging/High spec alloy steel
Process: Investment casting / Lost wax casting/sand casting/forging
Packing: a Normal plywood case 
Tensile Strength ≥1400Rm-N/mm²
Shock ≥20J
Hardness: 48-52HRC

581-6908 Cat Genuine Weld-On Half Arrow Cutting Edge 

The 581-6908 is an authentic genuine Cat weld-on half arrow cutting edge, serving as a core Ground Engaging Tool (GET). Exclusively designed and precisely optimized for Cat underground load haul dump (LHD) loaders, it is manufactured in accordance with Caterpillar's century-old OEM precision manufacturing technology and equipment-specific mechanical design standards. Tailored for harsh and heavy-duty underground mining conditions including tunnel excavation, ore stripping and muck removal, it adopts high-precision one-piece forming and a versatile half-arrow streamlined profile. This component comprehensively reinforces vulnerable bucket areas such as the bucket lip, base edge and adapter gaps, filling the protective blind spots of conventional parts. It acts as an essential genuine upgrade solution for underground LHD loaders to achieve long-term equipment protection, reduced maintenance loss and improved mining operational efficiency.

The 581-6908 genuine half arrow cutting edge is integrally cast from exclusive Cat DH-2 high-strength wear-resistant alloy steel and refined through multiple precision heat treatment, surface hardening and tempering stabilization processes. Its internal metallographic structure is dense and uniform with consistent stable hardness, achieving an ideal balance between superior wear resistance and outstanding impact toughness. Optimized for extreme underground mining conditions characterized by high friction, frequent impact and heavy loads, it maintains stable performance during long-term continuous mining operations without deformation, cracking, wear-through or edge passivation.

Integrated Welded Structure for Superior Durability Adopts standard Cat factory welded construction for seamless integration with the bucket. The upgraded integral structure delivers higher rigidity, load-bearing capacity and impact resistance, perfectly adapting to high-intensity underground heavy-duty operations. Full-Length Base Edge Protection Provides comprehensive coverage for vulnerable bucket base edges and fills protective blind zones around adapters, effectively preventing surface scratching, edge chipping and abrasive damage to maximize base edge service life.

Specialized Adapter Life Extension Strengthens protection for weak adapter gaps, evenly disperses working loads and alleviates fatigue aging, avoiding premature adapter failure and greatly reducing parts replacement and maintenance costs.

Compatible Models

Applicable Equipment: Underground LHD Loader

Compatible Models: R1700G, R1700 XE, R3000H, R1600H, R2900 XE, R2900, R1700

The 581-6908 Cat genuine weld-on half arrow cutting edge is a high-durability, multi-functional and cost-effective OEM GET solution specially designed for Cat underground LHD loaders. Featuring premium DH-2 wear-resistant steel, high-rigidity integrated welded structure, dual life-extension protection for base edges and adapters, and multi-scenario adaptive design, it effectively solves core mining operational pain points including vulnerable bucket components, short part lifespan, low excavation efficiency, high failure rates and excessive maintenance costs. 

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