John Deere AT522445, AT457670 Original Hydraulic Piston Pump

Original John Deere AT522445, AT457670 Hydraulic Piston Pump

The Original John Deere AT522445 Hydraulic Piston Pump (interchangeable with AT457670) converts engine mechanical energy into high-pressure hydraulic flow. This heavy-duty axial piston pump is specifically configured with an Auxiliary Mount to support secondary hydraulic systems, powering core heavy machinery functions like blade control and steering mechanics. [

 Product Specifications

• Primary Part Number: AT522445

• Interchangeable Part Numbers: AT457670

• Displacement Capacity: 90 cc per revolution

• Continuous Pressure Rating: 310 bar / 4,495 PSI

• Maximum Drive Speed: Up to 3,600 RPM

• Total Dry Unit Weight: 70.698 lbs (approx. 32.1 kg)

• Unit Length: 15.6 inches

• Unit Width: 13.5 inches

• Unit Height: 12.5 inches 

 Compatible Equipment Models

This main hydraulic pump delivers direct-fit, bolt-on OEM configuration for the following John Deere Motor Graders: 

620 G, 620 P, 622 G, 622 P, 670 G, 670 P, 672 G, 672 P, 770 G, 770 P, 772 G, 772 P , 870 P, 870G, 872 P, 872G