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1U0257 Bolt-on Loader Adapter | Caterpillar J250 Series Bucket Tooth Adapter OEM Manufacturer

The 1U0257 Two strap Bolt-on Central Adaptor fits Caterpilar Tooth Point, Aftermarket Replacement Wheel Loader Excavator Bucket Blade Teeth Holder shank.

Colour: Original / Black/ Yellow
Materials: Chromium Molybdenum Alloy
Production processes:
Lost-Wax /Precoated Silica Sand
Heat Treatment:
Normalizing, Annealing, Quenching, Tempering
Surface Finish:
Shot Blasting, Polishing, Baking Varnish
Certificates: ISO9001-2005
Transport Package: Wooden Case
Delivery Time: 10-15 Days

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1. Product Description

The 1U0257 Bolt-on Loader Adapter is a heavy-duty Ground Engaging Tool (G.E.T.) designed to fit the Caterpillar J250 Series Bucket Tooth Adapter system perfectly. Engineered specifically for wheel loaders and excavators, this double bolt-on adapter mounts directly onto the bucket lip without welding, enabling fast, hassle-free field replacements and minimizing machine downtime.

As a premier global supply partner of Wear Parts, we manufacture the 1U0257 adapter using premium alloy steel and advanced heat-treatment technology. This ensures maximum resistance against severe abrasion and high-impact conditions found in mining, quarrying, and heavy construction applications.


2. Specifications & Technical Data

Product Name:OEM 1U0257 Bolt-on Loader Adapter for Caterpillar J250 Series Bucket Tooth
Part Number:1U0257 / 1U-0257
System Series: Caterpillar J250 Series (CAT J250)
Mounting Type: Double Bolt-on Loader Adapter
Matching Bucket Lip Thickness:20mm to 25mm (or custom specification)
Material:

High-spec Alloy Steel (Cr, Mn, Mo, Ni, etc.)

Production Process:Precision Investment Casting / Forging & Automated Heat Treatment
Hardness Levels: Surface Hardness: 48-52 HRC | Core Hardness: 45-48 HRC
Impact Value: ≥ 20 J
Compatible Machines: CAT 916, 924, 926, 936, 938 loaders, and other buckets utilizing the J250 tooth system.

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3. Key Features & Benefits

  • Perfect OEM Compatibility: Produced strictly according to OEM standards. Precise dimensions guarantee a seamless fit with standard CAT J250 bucket teeth (such as 1U3252), pins, and retainers.

  • Enhanced Wear Life: Our customized alloy steel chemistry combined with state-of-the-art through-hardening delivers optimal wear resistance and eliminates the risk of breakage or bending under extreme loads.

  • Cost-Efficient Maintenance: The bolt-on design allows for quick on-site installation with standard tools, saving high welding costs and reducing equipment operational costs.


4. Global B2B Supply & Customization Capabilities

We are a dedicated foundry and exporter specializing in high-quality G.E.T. parts. We provide flexible solutions for global distributors, wholesalers, and fleet operators:


  • OEM & ODM Service: We can cast or stamp your unique brand logo, custom part numbers, or labels directly onto the adapter body.

  • Custom Design (Custom Service): Have a specific bucket thickness or highly abrasive working environment? We offer custom chemistry formulations and structural modifications to match your precise field requirements.

  • Stable Wholesale Supply: Backed by massive production capacities and an efficient supply chain, we offer competitive factory-direct pricing, strict QC inspection reports, and reliable on-time delivery.


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