Skip to the beginning of the images gallery

PERMCO 257 SEC 2B-B W/DR

Description & Features

Ideal for industrial applications, the Permco 257 SEC 2B-B W/DR hydraulic component is designed to deliver superior performance and reliability. Known for its robust construction and precision engineering, this product is a versatile choice for various hydraulic systems requiring efficient fluid power transmission.

Manufactured by Permco, a leader in hydraulic solutions, this component integrates seamlessly into existing setups, ensuring optimal operation and longevity. Its compatibility with diverse applications makes it an excellent addition to your industrial machinery, enhancing system capabilities without compromising on quality or durability.

SKU: 574-00784-4

Supplier Part Number (MPN): 574-00784-4

Specifications

Brand Permco Inc.	Brand Permco	Pack Size 1.00	UOM EA	Supplier Part Number 574-00784-4	Product Weight 1.00 lbs

Product Questions & Answers (2)

Question by: Hugh M on Jan 1, 2026, 1:49 PM

Reckon this Permco part will fit my current setup? Just need somethin' that matches the 574-00784-4 number.

Answer by: Customer Support on Jan 3, 2026, 11:47 AM

For matching purposes, 574-00784-4 is the Permco supplier part number for this 257 SEC 2B-B W/DR unit.

Question by: Connie W on Apr 15, 2025, 8:33 PM

what exactly does the "W/DR" mean on this unit, is that a drain port or something else?

Answer by: Customer Support on Apr 17, 2025, 6:34 PM

The "W/DR" in the part name stands for "with drain," meaning this section includes a case drain port. On gear pumps and motors, that drain line routes internal leakage fluid back to tank rather than letting pressure build up in the housing. It's a pretty standard feature when the unit is going to see higher back pressure on the return side.