John Deere Hydraulic Pump & Motor | AT302661, AT223519, AT197383, AT353757
| Model Number | AT, AT223519, AT197383, AT203579, AT353757, AT303229, AT172603, AT302661 |
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Product Description
John Deere Series High-Pressure Axial Piston Pump & Motor
Product Overview: This series of high-pressure axial piston pumps and motors provides premium OEM-grade replacement solutions specifically engineered for John Deere heavy equipment. Covering critical components from the main grader pump AT302661 to specialized drive motors like AT223519 and AT197383, these units serve as the “power heart” of the machine’s hydraulic system. Engineered for models such as AT353757 and AT303229, they deliver precise pressure and flow for blade control, steering, and travel systems. Featuring reinforced rotating groups, they maintain exceptional volumetric efficiency under extreme heavy-duty loads, high-dust environments, and temperature fluctuations.
Key Technical Advantages:
Precision Load-Sensing Integration: Deeply optimized for John Deere hydraulic logic to ensure real-time synchronization between valve commands and pump output, eliminating operational lag.
Heavy-Duty Construction: * AT302661 / AT223519: Built with high-strength cast iron housings and specialized hardened piston groups to significantly enhance resistance to shock loads.
Extended Service Life: Equipped with heavy-duty roller bearings designed to withstand high-vibration environments, effectively extending maintenance intervals and reducing downtime.
100% Drop-in Replacement: Manufactured to strict John Deere factory specifications for mounting interfaces, spline shafts, and porting, ensuring a seamless installation process.
Superior Fuel Efficiency: Optimized internal fluid paths reduce resistance and improve mechanical efficiency, contributing to lower overall machine fuel consumption.
Detailed Models & Parameters:
Core Part Numbers: AT302661, AT223519, AT197383, AT203579, AT353757, AT303229, AT172603, AT428960.
Compatible Equipment: John Deere Graders (G-Series), Excavators, Wheel Loaders, and Forestry Equipment.
Operating Pressure: Rated at 280-350 Bar (depending on machine configuration).
System Application: Main Hydraulic System, Steering Power, Cooling Fan Drive, and Travel Motor units.



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