3S7981 Disc Assy. for Caterpillar Equipment

The 3S7981 Disc Assy. is a metal friction disc used in brake lining and pad assemblies for Caterpillar equipment. It is used with Caterpillar engines and off-highway trucks, including the equipment models listed below. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified by the SKU 3S7981 and is supplied as a disc assembly with the dimensional specifications shown below. The listed application covers Caterpillar engine models and Caterpillar off-highway truck models.

Fitment

Cross-reference numbers

• 3S7981
• 3S-7981

3S7981 and 3S-7981 are the two number formats associated with this disc assembly in the supplied product data. Verify the equipment serial number and the existing part marking before installation when multiple configurations are used within the same machine or engine series.

Specifications

The disc assembly is specified for use as a metal friction disc within the applicable Caterpillar brake lining and pad system. The dimensional data are provided for identification and parts matching: inner diameter 7.948 inches, outer diameter 10.437 inches, and thickness 0.183 inches. The recorded part weight is 1.5 pounds, with package or part dimensions listed as 34 cm in length, 34 cm in width, and 0.1 cm in depth.