6Y8558 – CAT Style J550 Pin

AU GET supplied by AU Buckets & Equipment

Part #6Y8558 is a Caterpillar-style bucket tooth pin built to suit the J550 series tooth system. This pin is used in conjunction with retainer 8E5559 to securely lock heavy-duty teeth onto their adapters—ideal for large machines operating in mining, quarrying, and bulk earthmoving environments.

Product Specifications:

• Part Number: 6Y8558

• Series: CAT J550

• Application: Bucket tooth side-lock pin

• Use With:

  • Retainer: 8E5559

  • Tooth/Adapter: Use Item #1U1558 (J550 Tooth)

• Material: High-tensile, heat-treated alloy steel

• Mounting Type: Side-lock system

Key Features:

• Securely retains J550 teeth in high-impact conditions

• Built for long wear life and reliable retention

• Compatible with Caterpillar OEM and AU Buckets GET systems

• Ideal for large excavators and loaders in extreme applications

AU GET supplied by AU Buckets & Equipment – serious retention for serious machines.