5J6787 Ring for Caterpillar

5J6787 is a transmission seal ring for use with Caterpillar equipment. The listed applications include Caterpillar bulldozers, rippers, trucks, wagons, and wheel loaders. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified by SKU 5J6787 and belongs to the transmission seal rings category. It is intended for installation in the transmission-related sealing assembly of the specified Caterpillar equipment. The available application data identifies the equipment by machine type and model designation; no additional machine serial-number range, production year, or transmission configuration is provided.

Fitment

• Caterpillar 10S bulldozer
• Caterpillar 10 ripper
• Caterpillar 777 truck
• Caterpillar 776 wagon
• Caterpillar 992 wheel loader

The fitment list applies to the equipment models specified above. Before installation, the part number and the dimensions should be checked against the removed ring and the parts documentation for the particular machine. The available product data does not specify a machine serial-number prefix, transmission assembly number, or exact installation position within the transmission.

Specifications

The listed dimensions and weight are the available product-data values for SKU 5J6787. No material specification, inner or outer diameter, cross-section measurement, thread information, seal profile, color, or installation hardware is provided. The product data also does not indicate that additional seals, fasteners, retainers, or other components are included with the ring.

Application identification

For the Caterpillar 10S bulldozer and Caterpillar 10 ripper, the part is listed under the corresponding machine designations without a separate serial-number breakdown. For the Caterpillar 777 truck, Caterpillar 776 wagon, and Caterpillar 992 wheel loader, the same SKU 5J6787 is listed as a compatible transmission seal ring. These applications should be distinguished by the complete machine model and the relevant transmission parts record when selecting the replacement part.

No cross-reference numbers from Caterpillar or other suppliers are included in the available product data. Therefore, no additional replacement or interchangeable part numbers are specified for 5J6787.