The YNF17349 Bucket Pin set, including part numbers 438-2633 and 438-2634, is designed for the CAT 306E excavator bucket linkage system. These pins provide a strong and wear-resistant connection between the bucket and the working arm. Made from high-strength alloy steel and treated with precision hardening processes, the pins deliver excellent durability under continuous excavation and heavy-load movement.

This replacement pin set meets OEM dimensional standards to ensure smooth articulation, proper fitment, and long service life in demanding jobsite conditions.

• Designed for CAT 306E excavator bucket linkage

• Includes part numbers 438-2633 and 438-2634

• High-strength alloy steel construction for superior durability

• Precision-machined for accurate fit and smooth movement

• Excellent wear resistance and surface hardness

• Stable performance under heavy vibration and continuous operation

• Helps restore bucket pin joint alignment and working efficiency

• Compatible with OEM seals and bushings for complete assembly

Used in the bucket and boom linkage system of the CAT 306E to support smooth bucket rotation and maintain proper working alignment.

We provide pin dimension verification, installation guidance, lubrication recommendations, and complete linkage component support (pins, bushings, seals).

Pins are coated with anti-rust oil, individually wrapped, and packed in reinforced boxes to prevent damage during transport.

1. Which machines use these pins?
They are designed for the CAT 306E bucket linkage system.

2. Are 438-2633 and 438-2634 included as a set?
Yes, this product covers the paired pin specifications for the bucket joint.

3. What material are the pins made from?
High-strength alloy steel with heat-treatment for hardness and durability.

4. Do I need matching bushings or seals?
They are recommended for best performance; we can supply them as well.

5. Are these pins easy to install?
Yes, they match OEM size and can be installed following standard procedures.

6. Do the pins come with protective coating?
Yes, anti-rust treatment is applied for safe storage and shipping.