559-1152 5591152 Cat Genuine Bucket Protective Cutting Edge

Technical Specification:
Part No.:559-1152 5591152 Cat Genuine Bucket Protective 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

559-1152 5591152 Cat Genuine Bucket Protective Cutting Edge

Part No. 559-1152 is an original heavy-duty Caterpillar bucket cutting edge and high-performance Ground Engaging Tool (GET). This component is specially engineered to fit Cat 980, 982 and 988 series large wheel loaders.

Built with Caterpillar's mature precision manufacturing techniques and custom mechanical design for heavy machinery, it perfectly matches the power output, load demands and working conditions of compatible loader models. Adopting one-piece precision forming technology, it creates a solid, stable protective structure for buckets.

This cutting edge offers robust protection for key contact surfaces of loader buckets. It effectively solves common problems under heavy workloads, including blade abrasion, edge cracking, partial penetration wear and structural fatigue. It preserves the bucket's structural integrity over long-term operation, preventing machine performance decline and construction downtime caused by worn ground engaging parts.

Tailored for the high-load and high-throughput operating characteristics of large wheel loaders, the 559-1152 features a scientifically balanced structural design that achieves an optimal combination of superior wear resistance and extreme impact toughness. It reliably handles high-intensity complex working conditions such as mine material transportation, heavy earthwork excavation and hard aggregate loading. 

Manufactured in strict accordance with Caterpillar full-process OEM quality standards, the 559-1152 is integrally cast from industrial-grade high-strength wear-resistant steel and refined through multiple premium processes including precision heat treatment, surface hardening and tempering stabilization. Its internal metallographic structure is dense and uniform with stable hardness and balanced toughness, overcoming common aftermarket defects such as insufficient wear resistance, poor impact resistance, easy deformation and short service life. Under continuous high-frequency friction and intensive impact compression from ore, hard soil, gravel and heavy mixed debris, it retains smooth edges and rigid structural stability without premature passivation, localized wear-through or cracking. Its comprehensive durability, extreme condition adaptability and service life far exceed ordinary replacement parts.

Adopting Cat heavy-duty equipment-specific mechanical optimization, the product's structural strength is specially enhanced for severe working conditions. Its evenly distributed stress efficiently dissipates high concentrated loads generated during large-loader operation, effectively relieving mechanical fatigue and slowing component aging. Supported by OEM high-precision forming technology, it delivers accurate dimensions and perfect bucket fitting. After installation, it tightly integrates with the bucket as a unified rigid structure with no loosening, offset or vibration risks, fully adapting to long-duration non-stop cyclic heavy-load operation. Offering balanced all-round performance, it supports high-frequency mass earthmoving production as well as high-wear harsh scenarios including mine heavy transportation and hard material crushing. It effectively reduces maintenance frequency and long-term operational costs while maximizing comprehensive economic benefits for large-scale engineering projects.

Compatible Models

Compatible Accessory: Bucket

Compatible Equipment: Large Wheel Loader

Compatible Models: 988F II, 980K, 982M, 988B, 988G, 980M, 988F, 980G II, 980H, 980G

The 559-1152 Cat genuine bucket protective cutting edge is a high-strength, long-life, high-compatibility and low-maintenance OEM GET solution specially designed for Cat 980/982/988 series large wheel loaders. Combining genuine heavy-duty steel material, condition-specific reinforced structure, balanced wear-and-impact performance and full-coverage bucket protection, it effectively solves core construction pain points including vulnerable cutting edges, frequent chipping and wear, short service life, poor heavy-load stability and high maintenance and downtime costs. 

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