Part Name: Pin 2477631
Part Number: 2477631
Basic Info.
| Part no. | 2477631 | Material | Steel |
| Type | Bucket 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:2026/03/25
- Manufacturer:Diron Parts
Product Description
- Part Type:Bucket pin
- escription: high quality pin 2477631 Excavator Bucket pin Suitable for Caterpillar, New

The 247-7631 is a high-quality aftermarket bucket pin designed for Caterpillar® medium and large hydraulic excavators. This heavy-duty pin serves as the critical connection point between the bucket and the stick (dipper arm), enduring extreme digging forces, repeated shock loads, and continuous articulation in demanding construction, quarrying, and mining operations.
Key Features & Benefits
- Precision machined bearing surfaces for smooth rotation and optimal bushing contact
- High shear and bending strength to handle maximum breakout and curl forces
- Integrated grease grooves and cross-drilled lubrication channels for easy maintenance
- Excellent resistance to wear and deformation under heavy cyclic loading
- Proven performance in high-hour excavator front-end rebuilds
Common Applications (Caterpillar® Compatibility)
- Hydraulic Excavators: – 320D, 320E, 323D, 323E, 323F – 324D, 325D, 326D, 329D, 330D, 336D
- Typical location: Bucket-to-stick main pivot pin
Technical Specifications
- Part Number Reference: 247-7631
- Type: Excavator bucket pin (stick-to-bucket pivot)
- Outside Diameter: 89.98 mm (3.543 in)
- Overall Length: ≈ 450–480 mm (varies slightly by model)
- Weight: ≈ 35–40 kg (77–88 lb)
- Quantity per machine: 1
Important Note:
- We only provide replacement products intended for aftermarket use in the Caterpillar machinery listed above. The brand name Caterpillar is used solely as reference information to indicate compatibility and does not imply that our products are OEM.
- 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.







