4Y7089 Pin As. — Pin Assembly for Caterpillar Equipment

4Y7089 is a pin assembly used on Caterpillar track-type tractors, including the D6H II, D6H XR, D6R, and D6R II series. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified as a flag pin and is intended for installation in the applicable pin location on the listed Caterpillar machine series. The assembly has a steel body, hard chrome plating, a puller hole for removal, and an internal groove with grease-through-pin provision.

Fitment

The part is listed for the following Caterpillar track-type tractor models and series:

• Caterpillar D6H II track-type tractor
• Caterpillar D6H XR track-type tractor
• Caterpillar D6R track-type tractor
• Caterpillar D6R II track-type tractor

Fitment should be confirmed by comparing the machine model and the required part number with the equipment parts documentation before installation. The model references above are the Caterpillar applications specified for part number 4Y-7089.

Cross-reference numbers

The supplied identification includes the following part-number formats for the same pin assembly:

• 4Y7089
• 4Y-7089

4Y7089 is the SKU format used for this listing, while 4Y-7089 is the hyphenated part-number format shown in the equipment application data.

Specifications

The stated finger diameter is 2.36 inches, and the stated overall length is 8.31 inches. The puller hole is part of the pin design and provides a designated feature for removal. The inner groove is specified as being greased through the pin, indicating that lubrication is supplied through the pin passage rather than only from the external surface.

Part number 4Y7089 should be matched against the existing component and the machine parts information. The dimensions, steel material, hard chrome-plated surface, flag-pin type, puller hole, and grease-through-pin feature identify the configuration described for this Caterpillar application.