Product Description
AT57563 John Deere Hydraulic Pump is a replacement hydraulic pump designed for select John Deere construction and wheel loader applications. This pump is commonly associated with John Deere 544B, 646, and 646B machines, making it an important service part for keeping older equipment working in demanding construction, farm, industrial, and material-handling environments.
A properly functioning hydraulic pump is essential for maintaining smooth hydraulic performance across the machine. When hydraulic components begin to wear, operators may notice slow response, weak lifting power, noisy operation, fluid leaks, or inconsistent hydraulic function. Replacing a worn pump with the correct part number can help restore dependable hydraulic flow and support the performance needed for loader work and everyday jobsite use.
The AT57563 hydraulic pump is often searched by equipment owners, repair shops, rebuilders, and parts managers looking for a dependable replacement for older John Deere wheel loaders that are still actively used in the field. These machines remain popular because of their durability, and hard-to-find hydraulic parts like this one continue to be in demand for repair and maintenance projects.
This part number is commonly referenced in connection with John Deere loader applications and may also be associated with related or alternative numbers such as AT38741 and AT54842. As with any hydraulic component, it is important to verify fitment by part number and machine application before ordering, especially when working with older equipment or replacement parts that may have superseded numbers.
Common applications include:
- John Deere 544B Wheel Loader
- John Deere 646 Wheel Loader
- John Deere 646B Wheel Loader
Key benefits of replacing a worn hydraulic pump:
- Helps restore proper hydraulic pressure and flow
- Supports consistent loader and implement performance
- May improve response time in hydraulic functions
- Helps reduce issues caused by internal pump wear or leakage
- Important for maintaining reliability in older John Deere equipment
If you are servicing a John Deere 544B, 646, or 646B and need a replacement AT57563 hydraulic pump, be sure to compare your existing part number and application details before installation. Proper fitment confirmation is always recommended for older construction equipment.
Related Part Numbers: AT57563, AT38741, AT54842