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PERMCO 257 SERIES 1-3/4

Description & Features

Designed for demanding hydraulic applications, the Permco 257 Series 1-3/4 is a gear pump unit built to Permco's established standards for reliability in mobile and industrial hydraulic circuits. The 257 Series platform is recognized for its compact, high-efficiency design suited to a range of medium-duty hydraulic systems requiring consistent flow and pressure performance.

As a Permco product, this unit reflects the manufacturer's focus on durable construction and dimensional consistency, making it a dependable replacement or original-equipment choice for hydraulic installations where the 257 Series configuration is specified.

SKU: 996-00840-17

Supplier Part Number (MPN): 996-00840-17

Specifications

Brand Permco Inc.	Brand Permco	Pack Size 1.00	UOM EA	Supplier Part Number 996-00840-17	Product Weight 1.00 lbs

Product Questions & Answers (2)

Question by: Danny T on Dec 14, 2025, 5:30 PM

got a machine calling for a Permco 257 Series 1-3/4 gear pump, is this the right unit or am i missing something?

Answer by: Customer Support on Dec 15, 2025, 9:43 PM

For replacement fit, the key match point provided here is that it is a Permco 257 Series 1-3/4 gear pump unit, with supplier part number 996-00840-17. If your equipment spec calls out that exact series and the 1-3/4 configuration, this unit lines up with that requirement.

Question by: Curt C on Oct 13, 2025, 2:58 PM

Can this Permco 257 replace the one I got now? Number on it is 996-00840-17.

Answer by: Customer Support on Oct 15, 2025, 6:20 AM

That part number, 996-00840-17, does line up with the Permco 257 Series 1-3/4 unit we carry. So, yeah, it should be a direct replacement for ya.