7S1579 Nut for Caterpillar Equipment

The 7S1579 is a nut used in hardware applications on Caterpillar equipment, including 594 and 594H pipelayers and D9G and D9H track-type tractors. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified by SKU 7S1579. The equipment brand associated with the listed applications is Caterpillar; the nut is intended for use with the machine assemblies identified by the compatible model information below.

Fitment

• Caterpillar 594 pipelayer
• Caterpillar 594H pipelayer
• Caterpillar D9G track-type tractor
• Caterpillar D9H track-type tractor

The listed fitment covers two Caterpillar equipment groups: pipelayers in the 594 series and track-type tractors in the D9 series. Before installation, the machine model and the existing part identification should be checked against the equipment parts documentation to confirm the required hardware position and application.

Specifications

The dimensions and weight above are the catalog specifications for the 7S1579 nut. The available product data does not specify the thread size, thread pitch, material, finish, tightening torque, installation position, or the quantity supplied. These parameters should therefore be verified from the equipment service documentation or by comparing the removed component before assembly.

The product data identifies the part as a single nut by part description. No additional fasteners, mounting hardware, seals, washers, or installation tools are specified as included.