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AL157204 Hydraulic Pump Replacement Part is engineered with pressure and flow parameters optimized for tractor operating conditions. Designed in accordance with industry standards for John Deere hydraulic pumps of the same series, it delivers continuous and stable hydraulic power. This ensures precise and controllable operation of the tractor's suspension system lifting, hydraulic output device operation, and agricultural implement linkage functions. Even under heavy-duty loads, it prevents operational hesitation, meeting the demands of high-intensity agricultural work.
The pump body is constructed from high-strength cast iron, offering superior impact resistance and wear resistance to withstand complex environmental factors like dust and vibration encountered in field operations. Internally optimized sealing structures and distribution designs minimize hydraulic oil leakage, reduce pressure shock damage to the pump body, and extend component lifespan, making it well-suited for the high-frequency operation scenarios typical of agricultural machinery. The AL157204 hydraulic pump adapts to temperature fluctuations in agricultural outdoor operations, with an operating temperature range of -20°C to +80°C. Whether during cold early spring planting or hot summer harvesting, it maintains stable hydraulic performance without issues like abnormal oil viscosity or pump malfunctions caused by extreme temperatures.
| Part Name | Hydraulic Pump | Part Number | AL157204 |
| Weight | 14.574 kg | Height | 17.78 cm |
| Width | 19.558 cm | Length | 24.13 cm |
| Origin | China | Package | Industrial Packing |
| Installation hole position dimensions | Same as OEM one | Operating Temperature | -20℃ - +80℃ |
| Compatible Equipment | John Deere 7220, 7320, 7420, 7520 Tractors (Core Compatible Models for the 7020 Series) | ||
| Related Model | AL161044 | ||
This hydraulic pump delivers stable hydraulic power to tractor-towed implements such as plows, harrows, and rotary tillers, enabling precise control over implement penetration depth and working width. For instance, when tilling wheat or corn fields, it smoothly raises and lowers the mounted implements to ensure uniform soil inversion.
During seeding, it drives the hydraulic actuators of seeders to precisely regulate planting depth and row spacing. During crop growth, when tractors pull sprayers or fertilizer spreaders, this hydraulic pump enables movements like spray boom oscillation and fertilizer delivery system operation, ensuring even application.
While not directly involved in cutting operations, it facilitates smooth harvesting. On one hand, it drives the tractor's traction mechanism when pulling harvesters. On the other hand, it controls the operation of attached equipment like straw choppers mounted on the tractor, enabling rapid straw shredding.
John Deere 7220 series tractors are frequently deployed for farmland transformation, terraced field construction, and field road leveling. In these scenarios, the AL157204 hydraulic pump drives implements like bulldozer blades and graders to precisely control lifting and tilting angles.
When tractors tow agricultural trailers to transport grain, fertilizer, or farm equipment parts, the AL157204 hydraulic pump powers the trailer's hydraulic tailgate lift and unloading mechanisms, reducing manual handling and improving short-distance transport efficiency.
In large-scale agricultural production settings like farms and reclamation bases, the AL157204 hydraulic pump's durability and stable power output become particularly evident, ensuring the hydraulic system operates smoothly without stuttering or leakage during prolonged operations.
This hydraulic pump replacement is designed to be fully compatible with the following John Deere tractor models:
