3H3387 Coupling for Caterpillar Equipment

The 3H3387 coupling is a hydraulic coupling used on Caterpillar equipment, including track-type tractors, pipelayers, industrial engines, and marine products. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

The coupling is listed for the following Caterpillar equipment models and product groups:

• Track-type tractors: 183B, 8D, 8S, D8H, D8K
• Pipelayers: 583H, 583K
• Industrial engines: D342, D342C, G342C
• Marine products: D342, D342C

Fitment should be checked against the equipment model, serial number, and the part number installed on the machine before replacement.

Cross-reference numbers

Specifications