4M6983 Retaining Bearing Ring for Caterpillar Equipment

The 4M6983 retaining bearing ring is a replacement component used in Caterpillar equipment, including Caterpillar cold planers, earthmoving compactors, and engine-machine applications. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified as a retaining ring for a bearing assembly. The supplied application data lists Caterpillar machine and engine models PM-565, 815B, 3208, 3304, 3306, 3406, 3406B, 3406C, 3408, and 3408C. The exact installation position and assembly location depend on the equipment configuration and the applicable parts documentation.

Fitment

• Caterpillar PM-565 cold planer
• Caterpillar 815B earthmoving compactor
• Caterpillar 3208 engine-machine application
• Caterpillar 3304 engine-machine application
• Caterpillar 3306 engine-machine application
• Caterpillar 3406 engine-machine application
• Caterpillar 3406B engine-machine application
• Caterpillar 3406C engine-machine application
• Caterpillar 3408 engine-machine application
• Caterpillar 3408C engine-machine application

The listed models represent the fitment information available for SKU 4M6983. Model suffixes are included because the equipment series and engine configuration can affect component selection. Confirm the part number against the identification plate, parts manual, or the bearing assembly being serviced before installation.

Cross-reference numbers

Number 990094 is listed as an interchangeable identification for the 4M6983 retaining bearing ring. Cross-reference information should be checked against the specific Caterpillar machine or engine serial-number configuration when ordering or replacing the component.

Specifications

The supplied dimensions are listed as length, width, and depth. No material specification, thread information, seal composition, or installation hardware is provided for this part. The product designation covers the retaining ring itself; additional components are not identified as included.