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The PARKER D14AA2A is a hydraulic gear pump designed for high-pressure fluid power applications in mobile and industrial equipment. It delivers 2.6 GPM at 2,500 RPM with a maximum working pressure of 2,500 psi, making it suited for demanding hydraulic circuits. The pump features a 0.329 cubic inch per revolution displacement and mounts to an SAE AA mount pattern with a 0.5-inch shaft diameter. The aluminum housing keeps weight low at 2.7 pounds. Installation is typically performed by hydraulic system technicians or equipment mechanics familiar with gear pump replacement procedures.
This pump is used in hydraulic systems on compact mobile equipment, light industrial machinery, and other applications requiring a reliable fixed-displacement gear pump. The SAE AA mount and 7/8-14 UNF-2B SAE port thread pattern make it a direct-fit option for systems built to those standards. It operates across a wide temperature range from -40 degrees F to 185 degrees F, supporting use in outdoor and varied-climate environments. Flow output scales with speed: 2.56 GPM at 1,800 RPM and 5.13 GPM at 3,600 RPM.
Designed as an OEM-style replacement gear pump for hydraulic systems specifying an SAE AA mount, 0.5-inch shaft, 7/8-14 UNF-2B SAE port, and up to 2,500 psi working pressure.
Hydraulic gear pump replacement should be performed by a qualified hydraulic technician or equipment mechanic. Relieve all system pressure and depressurize the hydraulic reservoir before disconnecting any lines or removing the pump. Inspect all fittings, seals, and port connections for damage before installation, and use appropriate thread sealant rated for hydraulic service. Verify shaft alignment and torque all fasteners to equipment manufacturer specifications.
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