Products Description
Technical Specification:
Part No.:318-7837 3187837 Load Haul Dump Half Arrow segment
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
The 318-7837 is a premium genuine Cat weld-on half arrow cutting edge, a core Ground Engaging Tool (GET) protection component precision-engineered exclusively for Cat R1600G and R1600H scrapers. Built on Caterpillar's century-long precision manufacturing legacy and equipment-specific mechanical design system, this part perfectly matches the native operating characteristics of your scraper. With industry-leading molding precision and a scientifically optimized half-arrow flow profile, it delivers comprehensive reinforced protection for high-wear areas including the bucket base edge and adapter gaps, eliminating blind spots in standard part coverage and resolving common wear issues such as localized abrasion, chipping, and premature aging of the base edge around adapters at the source.
This cutting edge supports customized modification for diverse working conditions. It can be flexibly configured as a side cutter to effectively reduce digging resistance and dramatically improve machine penetration; it can also be installed as an inter-tooth segment to complete full bucket protection coverage. The unique half-arrow contour optimizes material cutting and loading trajectories, improves bucket fill factor, shortens work cycles, and effectively boosts overall jobsite productivity. Manufactured as a single casting from proprietary Cat DH-2 high-strength wear-resistant steel, it delivers consistent long-lasting hardness and exceptional abrasion and impact resistance. Paired with factory one-piece welding technology, it offers extreme structural rigidity and outstanding durability, enabling your machine to deliver rated performance consistently over the long term and protecting your equipment investment. It is the ideal genuine upgrade component for routine scraper operation and heavy-duty working conditions.
The 318-7837 genuine weld-on half arrow cutting edge is manufactured in strict compliance with full Caterpillar OEM quality control standards. It is precision cast from proprietary DH-2 special wear-resistant engineering steel, and refined through multiple factory-exclusive premium processes including precision heat treatment, surface hardening, and tempering stabilization. The dense, uniform internal metallurgical structure of the steel delivers consistent hardness without degradation, perfectly balancing superior wear resistance and excellent impact toughness. This eliminates common industry pain points associated with aftermarket parts, including insufficient wear resistance, easy deformation and fracture, short service life, and weak protection.
Utilizing Caterpillar's standardized heavy-duty welding process, this cutting edge fuses seamlessly with the bucket to form a single integrated structure, dramatically improving overall structural rigidity. Stress is evenly distributed across the assembly, eliminating risks of loosening, shifting, or vibration during heavy-duty operation, making it ideal for long continuous scraper work cycles. Compared to standard protection parts, it offers wider coverage, simultaneously protecting core bucket components including the base edge and adapters. It effectively delays mechanical fatigue and aging of equipment, significantly extending the service life of both base edges and adapters, reducing part replacement frequency and machine downtime losses. This comprehensively lowers long-term equipment operating and maintenance costs, while efficiently improving work continuity and overall economic returns.
Key Product Features:
Weld-On Installation
Extended Base Edge Life
Adapter Protection
Customizable Application
DH-2 Steel
One-piece welded structure for stable impact resistance
Full base edge coverage for dramatically longer service life
Fills adapter gaps to reduce wear
Configurable as side cutter or inter-tooth segment to boost productivity
Genuine special steel with consistent long-lasting hardness and wear resistance
Applications
This 318-7837 genuine weld-on half arrow cutting edge is precision-fit for Cat R1600G and R1600H scrapers. It is widely used across a full range of basic construction and heavy-duty work scenarios including earth excavation and backfilling, site grading and leveling, roadbed construction, muck hauling, and aggregate material handling. It performs reliably in complex conditions including high-frequency cyclic operation, continuous abrasion from hard materials, and moderate impact and compression loads, supporting uninterrupted high-efficiency machine operation over extended periods. It fully meets core project requirements for long-term equipment protection, consistent production, higher efficiency, and lower maintenance costs.
Technical Specifications
This part uses imperial measurement standards. Core dimensional parameters are factory-calibrated to perfectly match original equipment assembly specifications, with precise dimensions and excellent fitment. Key specifications are as follows:
Measurement System
Height (in)
Length (in)
Imperial
4.33
36.69
Compatible Models
Equipment Type
Compatible Models
Scrapers
R1600G, R1600H
Product Value
The 318-7837 Cat Genuine Weld-On Half Arrow Cutting Edge is a high-stability, long-life, multi-functional, low-wear genuine GET protection component exclusively designed for Cat R1600 Series scrapers. Leveraging genuine DH-2 wear-resistant material, a one-piece high-strength welded structure, dual protection system for base edges and adapters, and multi-functional working condition adaptability, it precisely resolves core pain points in scraper operation including fast cutting edge wear, premature adapter aging, multiple protection blind spots, low operating efficiency, and high maintenance costs. The one-piece welded structure is rugged and reliable, standing up to all types of heavy-duty complex working conditions. The dual protection design dramatically extends core component service life, reducing downtime and work delays. Customizable functionality effectively improves machine penetration and loading productivity. With pure OEM factory quality, stable and durable field performance, perfect equipment fit, and excellent overall value, it is the preferred genuine core component for long-term equipment protection, improved quality and efficiency, and consistent production with lower costs for Cat R1600 Series scrapers.
Hot Tags: 318-7837 3187837 load haul dump half arrow segment, China 318-7837 3187837 load haul dump half arrow segment manufacturers, suppliers, factory, bucket cutting edges, Loader Cutting Edges, loader spade edge, skid steer bucket bolt on cutting edge, skid steer bucket cutting edge, skid steer cutting edge
