Description
Permco 257 Series gear set, including the 1 1/4″ shaft, is part of a medium displacement hydraulic pump line designed for mobile and industrial applications
Permco 257 Series Gear Set (1 1/4″) Overview
Series: 257 (also referred to as P257 for pumps)
Shaft Size: 1 1/4″ keyed shaft
Displacement Range: 1.29 to 6.43 cubic inches per revolution
Gear Widths: 1.00″ to 2.50″
Max Pressure: Up to 4500 PSI
Max RPM: 2400
Construction: High-strength cast iron with sleeve bushings
Features:
High-pressure bushing design
Pressure-loaded wear plates
High-strength alloy steel gear and shaft sets
Customizable porting and mounting options
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