5B6390 Link for Caterpillar

The 5B6390 is a connecting link used in link assemblies on Caterpillar motor graders. The part is new, aftermarket, and manufactured by CTP (Costex Tractor Parts).

This link is identified for Caterpillar grader equipment in the 120, 12E, 12F, 12G, 130G, 140, and 140G model series. The part number and listed dimensions should be checked against the existing component and the machine parts documentation before installation.

Fitment

The 5B6390 connecting link is listed for the following Caterpillar motor grader models:

Fitment is specified by the equipment model series shown above. The available data does not identify a production year, serial-number range, or particular installation position within each grader, so those details are not included.

Cross-reference numbers

The following numbers are listed as interchangeable or associated references for this connecting link:

The number 5B6390 is the SKU and the unformatted part number used for this product. The designation 5B-6390 represents the same number with a separator. The remaining listed references are provided for parts identification and interchange checking.

Specifications

The supplied dimensional data is limited to length, width, and depth. No material grade, thread specification, bore diameter, pin specification, surface treatment, or included hardware is stated for this part. The product is described as the link component only; no additional components or installation hardware are specified as included.