482-0550 Bolt-on Half-Arrow CATERPILLAR 4820550

Technical Specification:
Part No.:482-0550 Bolt-on Half-Arrow CATERPILLAR 4820550
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

482-0550 Cat Genuine Bolt-On Center Half Arrow Cutting Edge Product Specification

The 482-0550 is an authentic factory-manufactured bolt-on center half arrow cutting edge from Caterpillar, serving as a core component of the ground engaging tool (GET) protection system for large wheel loaders. It is structurally optimized and precisely sized exclusively for the Cat 980K and 980H heavy-duty wheel loaders. Developed based on Caterpillar's global leading heavy-duty equipment R&D system, precision forging craftsmanship and equipment-specific mechanical standards, this cutting edge adopts a symmetrical center mounting structure paired with a classic streamlined half-arrow profile. It perfectly fits the full-range operating trajectories of the 980 series loaders during heavy-duty digging, cutting, pushing and material handling. Targeted reinforcement is applied to high-wear and fatigue-prone bucket areas, including base edges, tooth seat gaps and edge transition zones. The design effectively eliminates traditional protection blind spots between tooth seats, fundamentally resolving common field issues such as localized abrasion around tooth seats, edge passivation, high cutting resistance and premature component aging, and builds a full-coverage, high-rigidity and long-lasting three-dimensional protection system for heavy-duty loader buckets.

Featuring an optimized streamlined half-arrow contour, this cutting edge breaks through the operational limitations of conventional straight-edge designs. It effectively reduces digging resistance when processing hard soil, rock and mixed aggregates, greatly improves soil penetration and material stripping efficiency, optimizes bucket filling angles and increases bucket fill rates. It shortens individual working cycle times and continuously enhances overall construction output and operational smoothness. Unlike traditional welded protective parts, this genuine bolt-on non-destructive assembly requires no high-temperature welding and preserves the integrity of the bucket base material. It completely eliminates hidden risks such as welding deformation, material embrittlement and local stress concentration while retaining the original structural strength of the bucket. The user-friendly bolt structure enables convenient maintenance and rapid replacement, significantly reducing equipment downtime and improving machine availability and construction continuity. Reinforced with premium boron steel and mature DH-2 wear-resistant hardening technology, the edge maintains stable hardness, outstanding impact resistance and superior wear resistance, consistently sustaining the equipment's rated heavy-duty performance and fully protecting customers' valuable equipment investment.

Manufactured under strict full-process Cat OEM quality control standards, the 482-0550 genuine bolt-on half arrow cutting edge is integrally forged from high-purity industrial-grade boron steel and enhanced with Caterpillar's proprietary DH-2 wear-resistant technology. It undergoes multiple core factory processes including precision heat treatment, full surface hardening, tempering stabilization and stress relief. The steel features a dense and uniform internal metallographic structure with balanced hardness that does not degrade over time, achieving an optimal combination of superior wear resistance and exceptional structural toughness. It effectively eliminates typical defects of generic aftermarket parts such as insufficient durability, edge chipping, structural deformation and impact fracture under heavy loads. It reliably withstands long-term high-frequency impact, continuous sand and gravel abrasion, and repeated compression from hard materials during operation of the 980K and 980H wheel loaders, maintaining stable structural integrity and consistent cutting performance to adapt to intensive cyclic working conditions in mines, stockyards, earthwork projects and infrastructure construction.

Adopting Caterpillar high-precision standardized bolt-on assembly technology and symmetrical mechanical design, this cutting edge ensures even stress distribution across the entire bucket surface. It effectively avoids common cyclic heavy-duty operation problems including unilateral uneven wear, local overload, component loosening and operational vibration deviation, greatly improving machine stability and operational reliability. The non-destructive bolt installation requires no modification to the bucket substrate and preserves the original mechanical structure, eliminating potential structural failure risks and reducing maintenance concerns. Delivering dual protection for both bucket base edges and tooth seat gaps, it alleviates mechanical fatigue and structural aging caused by prolonged heavy-load operation, significantly extends the service life of core bucket components, reduces replacement frequency and unplanned downtime losses, lowers long-term equipment operational costs, and comprehensively improves construction efficiency and overall economic benefits.

3. Core Product Features

- Genuine Non-Destructive Bolt-On Design for Efficient Maintenance Adopts standard Cat bolted structure with no welding or base material damage required. Simplified installation, inspection and replacement procedures reduce heavy-duty equipment maintenance difficulty, minimize downtime losses and improve machine availability.

- Full-Coverage Central Protection Extends Base Edge Service Life Features dedicated symmetrical center layout and continuous smooth edge profile for uniform blind-spot-free protection. It eliminates wear vulnerabilities around tooth seats, prevents localized abrasion, edge passivation and deformation, and significantly prolongs bucket base edge lifespan.

Precisely engineered for Cat 980K and 980H large wheel loaders, the 482-0550 genuine bolt-on center half arrow cutting edge is widely applicable to diverse heavy-duty engineering scenarios. Typical applications include large-scale earthwork excavation and backfilling, mine material handling and transportation, aggregate stockyard management, road base compaction construction, large-volume muck haulage, and hard soil and mixed gravel processing. It stably adapts to harsh operating environments such as round-the-clock non-stop cyclic operation, high-frequency friction from hard materials and sustained heavy-tonnage impact compression. Fully meeting core engineering requirements for long-term equipment protection, stable productivity, low-consumption operation and continuous high-efficiency construction, it serves as an essential premium protective component for long-duration heavy-duty operation of 980 series loaders.

This genuine Cat standard heavy-duty wear-resistant GET component features center mounting position and a continuous smooth full-length working edge with industry-standard wear durability grade. Adopting factory-standard bolt-on attachment and high-grade boron steel integrated with advanced DH-2 wear-resistant craftsmanship, it delivers exceptional structural strength, superior impact toughness and ultra-long wear life. All manufacturing processes, structural dimensions and assembly tolerances strictly comply with Cat OEM original factory standards, ensuring precise installation, rigid structure and reliable performance under severe heavy-duty working conditions.

Compatible Equipment: Wheel Loader

Exact Compatible Models: 980K, 980H

The 482-0550 Cat genuine bolt-on center half arrow cutting edge is a high-rigidity, high-wear-resistance, impact-resistant, low-maintenance and long-service-life OEM GET solution tailored for Cat 980K and 980H large wheel loaders. Combining premium boron steel DH-2 wear-resistant system, symmetrical central full-coverage protection structure, streamlined productivity-enhancing design and non-destructive bolt-on assembly, it effectively solves core operational pain points of 980 series loaders, including uneven blade wear, premature tooth seat aging, protective blind spots, high digging resistance, low filling efficiency, high maintenance costs and severe downtime losses. The non-destructive bolt structure protects bucket base material and simplifies daily maintenance; the full-coverage protection system delays mechanical aging and extends the service life of core components; the streamlined optimized profile improves working efficiency and supports stable and efficient construction; genuine premium material ensures long-term stable performance and reduces long-term replacement costs and operational pressure. With authentic OEM quality, accurate model compatibility, superior heavy-duty endurance and excellent cost performance, it is the preferred genuine core component for long-term equipment protection, quality improvement, efficiency enhancement and sustainable cost control for Cat 980K and 980H wheel loaders.

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