318-7838 3187838 Cat Genuine Weld-On Half Arrow Cutting Edge

Technical Specification:
Part No.:318-7838 3187838 Cat Genuine Weld-On Half Arrow Cutting Edge
Weight: Welcome to inquire
Replacement: Brand Caterpillar
Material: Low alloy steel/Forging/High spec alloy steel
 

318-7838 3187838 Cat Genuine Weld-On Half Arrow Cutting Edge 

The 318-7838 is a premium factory-manufactured Cat weld-on half arrow cutting edge and a core Ground Engaging Tool (GET). Custom engineered for multiple Cat heavy-duty scrapers, it adopts Caterpillar's century-old precision manufacturing technology and equipment-specific mechanical design. Featuring high-precision machining and an optimized half-arrow streamline profile, this cutting edge reinforces vulnerable bucket areas including base edges and tooth seat gaps. It expands protective coverage, eliminates blind spots, and fundamentally resolves common field issues such as localized edge wear, chipping and premature abrasion, delivering comprehensive and reliable bucket protection.\

2. Material Technology & Performance Advantages

Manufactured under strict Cat OEM quality control standards, the 318-7838 weld-on half arrow cutting edge is precision cast from proprietary DH-2 high-performance wear-resistant steel and refined through multiple premium processes including precision heat treatment, surface hardening and tempering stabilization. Its dense and uniform internal metallographic structure maintains stable long-term hardness, achieving an optimal balance of extreme wear resistance and outstanding impact toughness.

3. Core Product Features

Feature Category

Core Description

Mounting Method

Genuine welded one-piece structure with high rigidity and long-term stability

Base Edge Protection

Full coverage for bucket base edges to effectively extend service life

Tooth Seat Protection

Eliminates inter-tooth blind spots and slows tooth seat wear and aging

Application Adaptability

Supports customized modification to improve penetration and loading efficiency

Material Performance

Made of DH-2 premium wear-resistant steel with stable impact resistance and durability

4. Application Scope

The 318-7838 genuine weld-on half arrow cutting edge is compatible with a full range of Cat heavy-duty scrapers. It is widely applied in large-scale earthwork excavation and backfilling, site leveling, road base construction, infrastructure muck removal, aggregate handling and hard material processing. It stably withstands high-frequency friction, continuous heavy impact and all-weather cyclic heavy-load operation, supporting long-hour high-efficiency continuous equipment operation and meeting core engineering demands for reliable equipment protection, stable productivity and cost-effective maintenance.

5. Technical Specifications

This product adopts U.S. customary measurement standards. All dimensions are factory-calibrated to match original assembly specifications and ensure precise fitting. Core parameters are listed below:

Measurement Unit

Height (in)  =4.33

Length (in)  = 24.84

US Customary

6. Compatible Models

Equipment Type

Compatible Models

Scraper

R1700G, R1600G, R1600H, R2900, R1700, R2900G

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