PARKER D17AA2A Hydraulic Pump N320

( Brand: Parker ), ( Manufacturer Part Number: D17AA2A ), ( Part Type: Hydraulic Pump ), ( Mounting Type: Flange Mounted )

Review PARKER New Old Stock Hydraulic Pump

The **Parker Hannifin D17AA2A N320 Hydraulic Pump** is a high-performance, axial piston variable displacement pump designed for demanding industrial, mobile, and marine hydraulic applications where reliability, efficiency, and durability are paramount. Engineered with Parker s signature precision and innovation, this pump belongs to the **D17 Series**, renowned for its robust construction and adaptability across a wide range of operating conditions. The **N320** designation indicates a nominal displacement of **320 cm /rev**, providing a balanced output for medium to high-pressure systems, typically operating within pressure ranges of **up to 350 bar (5,000 psi)** though performance can vary based on specific system configurations and fluid properties. Its **axial piston design** ensures smooth, consistent flow with minimal pulsation, making it ideal for applications requiring precise control, such as construction machinery, agricultural equipment, material handling systems, or marine propulsion and steering mechanisms.

At the heart of the D17AA2A is Parker s **swashplate mechanism**, which allows for seamless adjustment of displacement via a proportional or pressure-compensated valve, enabling the pump to match flow demand dynamically. This variable displacement capability not only enhances energy efficiency by reducing wasted power but also extends the operational life of the pump by minimizing thermal and mechanical stress. The **AA2A** model variant incorporates Parker s **Advanced Axial Piston Technology**, featuring optimized piston cups, a reinforced swashplate, and a high-strength housing to withstand prolonged use in harsh environments, including those exposed to contaminants, temperature fluctuations, or high shock loads. The pump s **gerotor-type pressure compensator** ensures stable operation under varying load conditions, while its **integrated suction and pressure relief valves** protect the system from overpressure and cavitation, further contributing to its longevity.

Constructed from **high-grade cast iron and steel components**, the D17AA2A is built to endure rigorous duty cycles, with critical parts such as the **piston block, swashplate, and valve plate** machined to tight tolerances for maximum wear resistance. The pump s **sealed bearing assembly** and **precision-ground shaft** reduce friction and vibration, while the **modular design** allows for easy maintenance and component replacement, minimizing downtime. Compatibility with a broad spectrum of hydraulic fluids including mineral-based, synthetic, and biodegradable oils ensures versatility in diverse applications, though performance may be optimized with fluids meeting Parker s recommended viscosity and cleanliness standards. Additionally, the pump s **compact yet robust footprint** makes it suitable for installations where space is a constraint, while its **standardized mounting options** (including flange and foot mount configurations) simplify integration into existing hydraulic circuits.

For applications demanding superior efficiency, the D17AA2A can be paired with Parker s **electronic control modules** or **proportional valves**, enabling advanced features like **load-sensing, variable speed control, or regenerative energy recovery**. This level of sophistication is particularly advantageous in modern mobile hydraulics, where fuel savings and operational flexibility are critical. Whether deployed in **heavy-duty earthmoving equipment, offshore rigs, or precision industrial automation**, this pump delivers a harmonious blend of power, adaptability, and reliability. With Parker s unwavering commitment to quality and a comprehensive support network including technical documentation, training, and spare parts operators can trust the D17AA2A N320 to perform consistently under the most challenging conditions, ensuring peak productivity and system integrity for years to come.

The Parker D17AA2A hydraulic pump (specifically the N30 or N320 series, which appears to be a variant of the D17AA2A with a displacement of 32 cm /rev) is a robust, high-performance axial piston pump commonly used in industrial, mobile, and marine hydraulic systems. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Parker D17AA2A (N320) Hydraulic Pump**

1. **High Efficiency and Performance**

The D17AA2A series is designed for high-pressure applications (typically up to 420 bar or higher, depending on the variant). It delivers consistent flow rates with minimal internal leakage, making it suitable for demanding hydraulic systems. The axial piston design ensures smooth operation and high volumetric efficiency, which translates to better energy savings and reduced heat generation.

2. **Durability and Reliability**

Parker is a well-established manufacturer known for producing high-quality, long-lasting hydraulic components. The D17AA2A is built with precision-engineered components, including hardened valves, high-strength materials, and sealed bearings, which contribute to its longevity. It is designed to withstand harsh operating conditions, including high temperatures, shock loads, and contamination.

3. **Versatility**

This pump is compatible with a wide range of hydraulic fluids, including mineral oils, synthetic oils, and biodegradable fluids (depending on the specific variant and application). It can be integrated into various systems, such as construction equipment, agricultural machinery, marine applications, and industrial presses. The N320 variant (32 cm /rev displacement) offers a balanced flow rate for medium to large hydraulic systems.

4. **Compact and Lightweight Design**

Compared to other high-performance pumps, the D17AA2A is relatively compact for its displacement, making it easier to integrate into tight spaces within machinery. This design also contributes to lower overall system weight, which can be beneficial for mobile applications.

5. **Advanced Control Options**

The D17AA2A series often includes features like variable displacement control (depending on the model), which allows for precise flow regulation. Some variants support electronic control modules (ECMs) for integration with modern hydraulic systems, enabling features like load sensing, pressure compensation, and energy recovery.

6. **Low Maintenance Requirements**

Parker pumps are designed with minimal wear parts, and the internal components are sealed to reduce contamination. Regular maintenance (such as fluid changes and filter replacements) can extend the pump s lifespan significantly. The use of high-quality seals and bearings reduces the frequency of overhauls compared to lower-quality pumps.

7. **Warranty and Support**

Parker Hydraulics offers comprehensive warranties and extensive after-sales support, including technical documentation, spare parts, and service centers worldwide. This ensures that users can access repairs, replacements, or upgrades easily.

8. **Compatibility with Modern Hydraulics**

The D17AA2A is designed to work seamlessly with contemporary hydraulic systems, including those incorporating sensors, proportional valves, and digital control interfaces. This makes it a future-proof choice for upgrading older systems or building new ones.

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### **Cons of the Parker D17AA2A (N320) Hydraulic Pump**

1. **High Initial Cost**

Parker hydraulic pumps are premium products, and the D17AA2A series is no exception. The upfront cost is significantly higher than that of generic or lower-end brands. This can be a barrier for small businesses or budget-conscious buyers, especially if the pump is being purchased for a non-critical application.

2. **Complex Installation and Setup**

Due to its advanced features and precision engineering, installing and commissioning a D17AA2A pump requires specialized knowledge. Improper installation can lead to premature wear, reduced efficiency, or even failure. Users may need to invest in training or hire certified technicians to ensure correct setup.

3. **Sensitivity to Contamination**

While Parker pumps are robust, they are not immune to contamination. Particulate matter in the hydraulic fluid can accelerate wear on the valves, pistons, and bearings, leading to reduced performance or failure. This requires strict adherence to filtration and fluid maintenance protocols, adding to the operational cost.

4. **Limited Availability of Aftermarket Parts**

While Parker has a strong support network, some aftermarket or third-party parts may not be as readily available as those from the manufacturer. This can complicate repairs or upgrades, particularly in regions with limited Parker service centers.

5. **Energy Consumption**

High-efficiency pumps like the D17AA2A are designed to minimize energy loss, but they still consume significant power, especially at high pressures. In applications where energy efficiency is a critical concern (e.g., large-scale industrial processes), the operational costs may be higher compared to alternative pumps.

6. **Noise and Vibration**

Axial piston pumps, including the D17AA2A, can generate noise and vibration, particularly at high speeds or under heavy loads. This may require additional soundproofing or vibration-damping measures in sensitive environments, such as indoor workshops or precision machinery.

7. **Overkill for Low-Demand Applications**

For applications requiring only modest hydraulic power (e.g., small-scale tools or low-pressure systems), the D17AA2A may be overdesigned. In such cases, a simpler or lower-displacement pump (e.g., a radial piston or gear pump) could be more cost-effective without sacrificing performance.

8. **Training Requirements**

Operating and maintaining a high-performance pump like the D17AA2A requires trained personnel. Without proper training, users may struggle to optimize performance, diagnose issues, or perform routine maintenance correctly, leading to inefficiencies or equipment damage.

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### **Conclusion**

The Parker D17AA2A (N320) hydraulic pump is an excellent choice for applications demanding high performance, reliability, and efficiency. Its advanced design, durability, and compatibility with modern hydraulic systems make it ideal for industrial, mobile, and marine applications where downtime and inefficiency cannot be tolerated. The pump s ability to handle high pressures, its low maintenance requirements, and Parker s strong support network further enhance its appeal.

However, the high initial cost, complexity of installation, and sensitivity to contamination are significant drawbacks, particularly for smaller operations or budget-limited projects. Additionally, the pump s advanced features may not be necessary for low-demand applications, making it an overinvestment in some cases. The decision to purchase this pump should be based on a careful assessment of the specific application s requirements, budget constraints, and long-term operational needs.

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### **Recommendation**

- You are operating in an industrial, mobile, or marine environment where reliability and high performance are critical.

- Your application requires a high-pressure pump with variable displacement capabilities or electronic control integration.

- You can justify the higher upfront cost with long-term savings in energy efficiency, reduced maintenance, and extended equipment lifespan.

- You have access to trained personnel or are willing to invest in training to ensure proper installation, operation, and maintenance.

- Contamination control measures (such as high-quality filtration systems) are already in place or can be implemented.

- Your application has low hydraulic demands, and a simpler or lower-displacement pump would suffice.

- Budget constraints are a primary concern, and you cannot afford the higher initial cost without clear long-term ROI.

- Your team lacks the expertise to install, operate, or maintain the pump correctly.

- The operating environment is particularly harsh (e.g., extreme temperatures, heavy contamination), and you cannot mitigate these risks with proper fluid management.

- You are purchasing for a one-time or non-critical application where downtime or inefficiency is not a major concern.

- For lower-cost options, explore other reputable brands like Bosch Rexroth, Sauer-Danfoss, or Eaton, which offer competitive pumps with similar performance profiles.

- If displacement is a key factor, consider the D17AA2A s smaller (e.g., N20) or larger (e.g., N40) variants to match your flow requirements more precisely.

- For applications where simplicity is prioritized, radial piston pumps or gear pumps may be more suitable despite their lower pressure capabilities.

Ultimately, the Parker D17AA2A (N320) is a superior choice for high-end applications but requires careful consideration of cost, expertise, and operational needs. If the application aligns with its strengths, it will likely deliver outstanding performance and longevity.

Details:

Comes as pictured. Condition: New old Stock. Warranty: Guaranteed to be in the condition described and function properly. UPS or USPS are the only carriers used for shipping.

Re-Use, Re-Cycle. Item: Parker: D17AA2A. 60 day return option if item does not function properly.

part #: d17aa2a prices

• $279.90-$794.92

specifications hydraulimoto:

• brand: Parker
• mpn: D17aa2a
• part type: Hydraulic Pump
• mounting type: Flange Mounted

offer hydraulimoto:

• started: February 27, 2026
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• sold: 0

returns hydraulimoto:

• policy: Returns Accepted
• paid by: Seller
• method: Money back
• time: 60 Days

seller hydraulimoto:

• city: Knoxville, Iowa
• rating: 100.0%
• # reviews: 24850

general hydraulimoto:

• Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Hydraulic Pneumatic Motors
• condition: New Open box

shipping hydraulimoto:

• cost: $0.00
• carrier: UPS
• type: Calculated
• service: UPS Ground, UPS 2nd Day Air, UPS Next Day Air
• class: Standard, Expedited, One-day
• transit: 3-5 Days

payments hydraulimoto:

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• credit card: Diners-club

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