8C3982 Retaining Ring for Caterpillar Equipment

8C3982 is an external axial retaining ring for Caterpillar equipment, including engines, integrated toolcarriers, and wheel-type loaders. The ring is made from steel and is intended for installation on a shaft with a nominal shaft diameter of 50.8 mm (2.00 in). This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is listed for use in Caterpillar equipment applications where an external retaining ring is required to secure a component in position on a shaft. The supplied part is identified by SKU 8C3982 and belongs to the transmission seal rings category.

Fitment

The retaining ring is used on the following Caterpillar equipment types:

• Caterpillar engine-machine applications
• Caterpillar integrated toolcarriers
• Caterpillar wheel-type loaders

Known Caterpillar machine and engine models include:

• Caterpillar 3056
• Caterpillar 3056E
• Caterpillar 3114
• Caterpillar 3116
• Caterpillar 3126
• Caterpillar C6.6
• Caterpillar IT12B
• Caterpillar IT24F
• Caterpillar IT28G
• Caterpillar 924F

Fitment should be verified against the equipment model, serial number, and the part number removed from the machine before installation. The model list above contains the Caterpillar applications provided for this part and does not indicate that the ring is suitable for every configuration or production year of each listed model.

Cross-reference numbers

The retaining ring is identified by the following part-number formats:

• 8C3982
• 8C-3982

These two formats refer to the same listed Caterpillar part number, with the second format including a separator. The SKU for this product is 8C3982.

Specifications