7S8660 Pump Group-Transmission

The 7S8660 Pump Group-Transmission is a transmission pump group for Caterpillar equipment. It is used with Caterpillar engines and machines, including pipelayers, track-type loaders, and track-type tractors. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is listed under product category HMU. The supplied application data identifies Caterpillar equipment as the manufacturer of the machines and engines for which this pump group is specified.

Fitment

The 7S8660 Pump Group-Transmission is specified for the following Caterpillar equipment types:

• Caterpillar engine and machine applications
• Caterpillar pipelayers
• Caterpillar track-type loaders
• Caterpillar track-type tractors

Compatible Caterpillar models and model series listed for this part:

• Caterpillar 3306
• Caterpillar 561D
• Caterpillar 951
• Caterpillar 955
• Caterpillar 977
• Caterpillar 5A
• Caterpillar 5S
• Caterpillar 153
• Caterpillar 163
• Caterpillar 4

Fitment should be confirmed by comparing the machine model, serial-number range, and the number marked on the removed pump group before installation. The model list above reflects the equipment applications provided for SKU 7S8660; no additional model or serial-number information is specified in the available product data.

Cross-reference numbers

The part is identified by the following reference information:

• Caterpillar equipment manufacturer part number: 7S8660
• CTP aftermarket part code: 7S8660
• Product SKU: 7S8660

The Caterpillar reference and the CTP aftermarket part code use the same numerical designation in the supplied data. The number 7S8660 should be checked against the existing component and the equipment parts documentation to confirm the required configuration.

Specifications

The stated dimensions are width, length, and depth as provided in the product data. The available information does not specify construction material, thread dimensions, seals, mounting hardware, or additional components included with the pump group.