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AT101451/AT163523 Reverse Transmission Charge Pump is a core repair part for older John Deere models such as 210C/300D/310D. Its mounting flange, shaft diameter, and oil port positions are identical to the original factory pump. No modifications to piping, brackets, or installation positions are required—it can be directly swapped during disassembly, significantly reducing repair downtime. The core value of the AT101451/AT163523 pump replacement lies in its direct interchangeability with OEM specifications, smooth and stable shifting performance, and high cost-effectiveness. It rapidly restores transmission shifting functionality, ensuring continuous operational capability for older equipment. When purchasing, verify the machine model and part number. After installation, strictly follow the commissioning procedures. Regularly replace transmission fluid and filters to effectively extend the service life of both the pump and transmission.
| Part Name | Hydraulic Pump | Part Number | AT101451/AT163523 |
| Compatible Equipment | Backhoe Loader | Product Type | Reverse Transmission Charge Pump |
| Origin | China | Quality | OEM Standard |
| Compatible Models | 210C, 300D, 310D, 315D, 482C | ||
| Core Usage |
1. Provide hydraulic power to the transmission shift mechanism, ensuring smooth gear changes; 2. Maintain back pressure in the closed hydraulic circuit to prevent cavitation; 3. Lubricate internal transmission gears and bearings while cooling clutch friction plates. |
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| Applications | Municipal emergency repairs, agricultural water conservancy, small-scale infrastructure projects, and other medium-to-light load applications requiring frequent reversing and start-stop operations. | ||
| Related Models | AT334876/PG200235, AT179792, AT331223 / AT317640, AT153470, AT428960, AT310590, AT440858, AT501973 | ||
These are functionally interchangeable parts (differences exist only in production batches/specific model compatibility). Their interfaces and parameters match OEM specifications, allowing direct replacement. Compatible with John Deere 210C, 300D, 310D, 315D, and 482C backhoe loaders, used for oil replenishment, backpressure maintenance, and lubrication cooling in directional control transmissions.
Verify the part number and prioritize brands with warranties. Genuine parts are distributed through authorized channels, feature official packaging markings, and carry a higher price point. Third-party aftermarket parts cost approximately 1/2 to 2/3 of genuine parts. Ensure materials and manufacturing processes meet standards to avoid premature failure from low-cost, substandard products.
Drain residual pressure from the transmission hydraulic system. After removing the old pump, clean all pipe connections, filters, and the oil pan. Replace transmission fluid and the filter to prevent contaminants from entering the new pump. Prepare tools like a torque wrench and follow the manufacturer's repair manual.
Manual oil priming and bleeding: Fill transmission fluid through the oil port, rotate the drive shaft 2-3 turns to expel air and prevent dry grinding. Idle for 10-15 minutes, inspect for leaks or abnormal noises, test smoothness of gear shifts and direction changes. Confirm no issues before resuming operation.
Common causes include: worn gears or excessive clearance inside the pump, aged seals causing leaks, clogged or cavitating inlet lines, dirty filters, or stuck pressure relief valves. Troubleshooting sequence: First check oil level and filter element, then inspect for leaks in the lines, and finally disassemble the pump body to examine gears and seals. Replace the pump if necessary.
Replace transmission oil and filter every 500-1000 operating hours to maintain fluid cleanliness; regularly inspect connections and seals, tightening or replacing as needed; avoid prolonged overload operation to prevent pump overheating; never mix different brands/types of oil to prevent performance degradation and seal damage.
