3K8428 Grooved Pin for Caterpillar Equipment

The 3K8428 Grooved Pin is a dowel pin used in Caterpillar equipment. It is listed for Caterpillar 3116 and 3126 engine applications, as well as Caterpillar 950F II and 960F wheel-type loaders. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified as a grooved pin and belongs to the Dowel Pins category. The supplied application data associates it with Caterpillar engine-machine equipment and Caterpillar wheel-type loader equipment. The part number for identification, ordering, and cross-reference purposes is 3K8428.

Fitment

• Caterpillar 3116 engine applications
• Caterpillar 3126 engine applications
• Caterpillar 950F II wheel-type loaders
• Caterpillar 960F wheel-type loaders

The listed fitment covers two Caterpillar engine models and two Caterpillar wheel-type loader models. The model designation must be checked against the equipment identification and the existing pin before installation, particularly where several production configurations may use similar components.

Cross-reference numbers

• Caterpillar equipment part number: 3K8428
• Part identification number: 3K-8428
• Supplier SKU: 3K8428

3K8428 and 3K-8428 refer to the same part-number designation, with the hyphenated format used in some equipment parts listings. No additional supplier or equipment-manufacturer cross-reference numbers are specified in the available data.

Specifications

The dimensions and weight are stated according to the available product data. The listed dimensions are length 2.6 cm, width 0.2 cm, and depth 0.2 cm; no separate diameter, groove profile, material specification, coating, thread specification, or installation hardware is provided. The product data also does not specify whether additional components are included, so the listed item is the grooved pin identified by part number 3K8428.