6I6554

The 6I6554 is a Caterpillar-compatible J550 series mounting adapter manufactured by AzuLong Wear Parts. This adapter provides the critical connection between the bucket lip and replaceable tooth points on mining-class excavators handling the heaviest digging loads.

Adapter Profile — Application & Performance

Precision-engineered mounting adapter that provides a secure mechanical connection between the bucket lip and replaceable tooth points. Machined to tight tolerances for reliable fit and quick tooth changes in the field. The adapter absorbs the transition forces between the rigid bucket structure and the replaceable wear point.

Material & Durability

At 30.98 kg, this adapter is built for 50-80 ton class equipment. Among the largest teeth in the product range, this tooth is forged from premium alloy steel and heat-treated to the upper end of the HRC 48-58 scale for mining-grade durability. At this size class, material quality and heat treatment consistency are critical — each tooth represents a significant investment, and premature failure means costly equipment downtime and production delays. Full quality documentation is provided per batch.

Equipment Compatibility

Compatible with: CAT 365, CAT 374, CAT 385, CAT 390. Always verify tooth-to-adapter fitment for your specific machine configuration before ordering. AzuLong's technical team can assist with compatibility confirmation — contact rocky@azulong.com or WhatsApp +86-13777046128.

• CAT 365
• CAT 374
• CAT 385
• CAT 390