
Part Name: Pin 2512552
Part Number: 2512552
Basic Info.
Part no. | 2512552 | Material | steel |
Type | Pin | Part Type | Engineering machinery parts |
Compatibility | Caterpillar | Transport Package | Wooden box |
Trademark | DIRON | Origin | Luoyang City |
HS Code | 84099991 | Production Capacity | 5000PCS/Year |
Product Details
- Date First Listed:2025/05/17
- Manufacturer:Diron Parts
Product Description
- Part Type:Pin
- Description: suitable for Caterpillar


Product Introduction: Pin 2512552 for Caterpillar Equipment
Overview
The Pin 2512552 is a precision-engineered, chromed steel pin designed for Caterpillar equipment, specifically used in the bucket linkage systems of excavators to secure and align components while supporting heavy loads. This component is critical for ensuring smooth operation and durability in demanding excavation applications. Available as a new aftermarket or genuine OEM part, it offers a reliable and cost-effective solution for equipment maintenance.
Key Features
- Material: Constructed from high-grade 45# type steel with alloy chromium, designed to withstand extreme loads, resist wear, and endure harsh operating conditions. Features a hard chrome-plated finish for enhanced corrosion resistance and reduced friction.
- Design: Precision-machined straight pin with a single bolt hole for secure fastening, engineered to match OEM specifications for precise fitment and performance. Includes a flange (120 mm x 282 mm, 19 mm thick) for added stability in bucket linkage assemblies.
- Compatibility: Compatible with Caterpillar excavators, including models 336D, 336D L, 336E, 336E L, 336F, 336F L, 340D L, 340F, 345C, 345C L, 345D, 345D L, 349D, 349D L, 349E, 349E L, 349F, 352F. Typically used as a bucket linkage pin to connect the bucket to the machine for rotational and tilted movements. Exact model compatibility should be verified with the equipment’s serial number via CAT SIS.
- Dimensions: Pin Diameter: 3.94 in (100 mm); Total Length: 25.0 in (635 mm); Flange Dimensions: 120 mm x 282 mm, 19 mm thick; Package Dimensions: 27.56 x 11.81 x 9.44 in (70 x 30 x 24 cm).
- Quality Assurance: Manufactured to meet or exceed US OEM specifications, with final quality checks performed in the United States at ISO 9001-certified facilities.
Benefits
- Enhanced Durability: The high-grade steel and chrome-plated finish provide exceptional strength, wear resistance, and corrosion protection, extending the pin’s service life in rugged environments.
- Reliable Performance: The precision-machined design with a flange ensures secure alignment and smooth operation in bucket linkage systems, improving machine efficiency and reducing maintenance needs.
- Cost-Effective: Offers a high-quality aftermarket or OEM alternative, reducing maintenance costs compared to full assembly replacements. No core charge required.
- Ease of Installation: Designed as a direct-fit replacement with a single bolt hole for easy fastening, simplifying the repair process and minimizing downtime.
Applications
The Pin 2512552 is tailored for use in Caterpillar equipment, specifically suited for:
- Excavators: 336D, 336D L, 336E, 336E L, 336F, 336F L, 340D L, 340F, 345C, 345C L, 345D, 345D L, 349D, 349D L, 349E, 349E L, 349F, 352F.
- Industries: Construction, excavation, and material handling, where Caterpillar excavators are deployed for tasks such as digging, loading, and heavy material transport.
Technical Specifications
- Part Number: 2512552 (cross-referenced as 251-2552, CA2512552).
- Unit of Measure: Each.
- Condition: New aftermarket or genuine OEM.
- Weight: Approximately 91.6 lbs (41.54 kg).
Note: While this description provides general information, specific details such as size, weight and exact material may vary by manufacturer and specific application. To obtain the most accurate and up-to-date information, it is recommended to consult a qualified parts supplier such as DIRON PARTS.
FAQ
Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.
Q3. What is your terms of delivery?
A: FOB
Q4. How about your delivery time?
A: Generally, it will take 20 to 30 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q8. How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from
ABOUT DIRON
- Factory OF DIRON
Diron Parts Group Have Its Own Factory Ensure That We Offer Better Price For Customers. Besides, Diron Corporate With Some Reliable Principal Manufacturers, So Diron Also Supply Customer Other Quality Spare Parts.








- Team OF DIRON
With 18 years of manufacturing and exporting experience, Diron has a team of knowledgeable engineers, inspectors and technical workers, sales staff, after-sales personnel.


- Products OF DIRON
As a distributor, we supply parts covers for :Complete engines, Long block, Short block, Engine spare parts, Electricla products, Hydraulic products, Transmission products, Undercarridge products.Among them, Cylinder head, Cylinder block, Spacer-plate, Bushing & Pin are our best-selling products.







