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PERMCO 257 G/SH SET 1-1/4 SAE C-KEYED

Description & Features

Designed for use with Permco 257 series gear pumps and motors, this gear and shaft set features a 1-1/4 inch SAE C-keyed shaft configuration. The SAE C-keyed interface provides a standardized drive connection suited to common power take-off and tandem drive arrangements found in mobile and industrial hydraulic systems.

The Permco 257 G/SH Set 1-1/4 SAE C-Keyed is a direct replacement or service component for applications requiring matched gear and shaft assemblies within the 257 series platform. Sourcing a factory-matched set helps maintain proper clearances and consistent performance within the pump or motor housing.

SKU: 024-00842-12

Supplier Part Number (MPN): 024-00842-12

Specifications

Brand Permco Inc.	Brand Permco	Pack Size 1.00	UOM EA	Supplier Part Number 024-00842-12	Product Weight 1.00 lbs

Product Questions & Answers (2)

Question by: Shane C on Jul 4, 2025, 8:42 AM

So, this is a Permco 257 gear/shaft set. What exactly does it do?

Answer by: Customer Support on Jul 5, 2025, 9:32 AM

Functionally, this gear and shaft set is a replacement part for Permco hydraulic pumps, restoring the pump's ability to move fluid efficiently.

Question by: Ricky S on Jan 17, 2026, 9:25 PM

i’ve got a permco setup already, is this the one with the 1-1/4 SAE C keyed shaft?

Answer by: Customer Support on Jan 19, 2026, 11:27 AM

For fit checks, the key identifiers on this part are right in the name: it is a PERMCO 257 G/SH set with a 1-1/4 SAE C keyed shaft. Matching those details to what you are replacing is the main confirmation you can make from the provided product info.