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PERMCO 257 SERIES SEC B

Description & Features

Designed for multi-circuit hydraulic systems, the Permco 257 Series Sec B is a gear pump section built to integrate within tandem or multiple-pump assemblies. As a secondary section, it pairs with a primary drive pump to deliver additional flow circuits from a single power source, a common configuration in mobile and industrial hydraulic equipment.

Permco's 257 Series is a well-established platform in the gear pump market, known for reliable performance across a range of mobile hydraulic applications including construction, agricultural, and material handling equipment. The Sec B designation identifies this unit as a secondary pump body within that series stack.

Refer to the full specification table on this page for displacement, port sizing, and mounting details applicable to this section.

SKU: 574-00605

Supplier Part Number (MPN): 574-00605

Specifications

Brand Permco Inc.	Brand Permco	Pack Size 1.00	UOM EA	Supplier Part Number 574-00605	Product Weight 1.00 lbs

Product Questions & Answers (1)

Question by: Janet J on Nov 14, 2025, 7:04 AM

what exactly is the "sec b" part mean on this permco 257 series pump

Answer by: Customer Support on Nov 15, 2025, 4:55 PM

Sec B refers to the section designation on this Permco 257 Series unit. Permco builds these pumps in configurable sections, and the B designation identifies which section of the assembly this is. If you're running a tandem or multi-section setup, you'd pair this with the appropriate primary or additional sections to complete your system.