Caterpillar SB140 Hydraulic Main Pump

The Caterpillar SB140 Hydraulic Main Pump is a variable-displacement piston pump assembly used on selected Caterpillar excavators equipped with the C7 engine. It comes as a complete unit with the regulator and is identified by OEM part number 272-6959.

This pump is listed for CAT 325DL, 325D, 324D, 329D, and 329DL models with the C7 engine. The mounting arrangement follows the original installation, making it suitable as a replacement for applications using the same pump specification.

For ordering, the most important details to check are the excavator model, engine configuration, and the number marked on the original pump. Part number 272-6959 should be confirmed before purchase to avoid a mismatch between similar excavator pump assemblies.

Variable-displacement piston type, complete assembly with regulator, OEM No. 272-6959, for Caterpillar C7-powered excavators.

The Caterpillar SB140 Hydraulic Main Pump is supplied for replacement applications where the original pump specification and installation dimensions match.

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