ATO 57316L Hydraulic Motor Keystone 24163136

( Brand: Ato ), ( Manufacturer Part Number: 57316L ), ( Part Type: Hydraulic Motor )

Review ATO New Reman Hydraulic Motor Keystone Hydraulics

The **Keystone Hydraulics ATO 57316L** is a high-performance, axial piston hydraulic motor designed for demanding industrial applications where reliability, efficiency, and durability are paramount. Part of Keystone s robust **ATO series**, this motor combines advanced engineering with precision manufacturing to deliver consistent power output across a wide range of operating conditions. Built with a **swashplate mechanism**, the ATO 57316L offers smooth, low-vibration performance, making it ideal for machinery requiring precise control, such as material handling equipment, mobile hydraulics, and heavy-duty construction tools. Its **fixed displacement design** ensures consistent flow rates, while the **closed-loop cooling system** integrated into the housing prevents overheating, extending the motor s operational lifespan even under continuous high-load scenarios.

Constructed from **high-grade cast iron and hardened steel components**, the ATO 57316L is engineered to withstand extreme pressures and harsh environments, including exposure to dust, debris, and temperature fluctuations. The motor s **sealed shaft design** minimizes leakage, enhancing efficiency and reducing maintenance requirements, while its **adjustable swashplate angle** allows for flexible speed and torque adjustments, catering to diverse application needs. Keystone s proprietary **bearing and seal technology** further reduces wear, ensuring prolonged performance without the need for frequent servicing. Whether integrated into a **forklift, excavator, or industrial press**, this motor delivers dependable power with minimal energy loss, making it a cost-effective solution for industries prioritizing both performance and longevity. With a **compact yet robust build**, the ATO 57316L optimizes space utilization without compromising on strength, reinforcing its reputation as a premium choice for hydraulic system designers seeking uncompromising durability and efficiency.

The **Keystone Hydraulics ATO 57316L hydraulic motor** (part number 24163136) is a radial piston motor commonly used in mobile and industrial hydraulic applications. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

---

### **Pros of the Keystone ATO 57316L Hydraulic Motor**

1. **High Efficiency and Power Density**

The radial piston design offers excellent volumetric efficiency (up to 95%) and high power-to-weight ratio, making it suitable for compact systems requiring high torque and speed.

2. **Versatile Operating Range**

It can handle a wide range of pressures (typically 3,000 4,500 psi) and flow rates, providing flexibility for different hydraulic circuits. The motor is often used in applications like excavators, cranes, and agricultural machinery where variable speed and torque are needed.

3. **Durability and Reliability**

Keystone Hydraulics is a reputable brand known for robust, long-lasting components. The ATO series is designed for heavy-duty use, with features like:

- **Sealed internal components** to resist contamination.

- **Precision-machined parts** to minimize wear over time.

- **High-quality bearings and seals** that extend service life.

4. **Compact and Lightweight**

Radial piston motors are generally more compact than other types (e.g., axial piston or gear motors) for similar power outputs, which is advantageous in space-constrained applications.

5. **Smooth Operation and Low Vibration**

The balanced design of radial piston motors reduces vibration and noise compared to some gear or vane motors, leading to smoother performance in critical applications.

6. **Compatibility with Keystone Systems**

If your hydraulic system already uses Keystone components (e.g., pumps, valves), this motor will integrate seamlessly, reducing compatibility issues and maintenance complexity.

7. **Good Flow Control Capabilities**

The motor can be paired with proportional or servo valves for precise speed control, making it ideal for applications requiring variable output (e.g., hydraulic cylinders in construction equipment).

8. **Aftermarket Support**

Keystone is a well-established brand with widespread availability of spare parts, technical support, and remanufacturing services, which can be beneficial for long-term use.

---

### **Cons of the Keystone ATO 57316L Hydraulic Motor**

1. **Higher Initial Cost**

Radial piston motors are generally more expensive upfront than gear or vane motors due to their complex design and higher precision manufacturing. This may be a barrier for budget-conscious buyers or smaller operations.

2. **Sensitivity to Contamination**

While Keystone motors are robust, they still require **clean hydraulic fluid** to prevent premature wear on seals, pistons, and bearings. Poor filtration can lead to reduced efficiency or failure. This adds maintenance overhead compared to simpler motor types.

3. **Complexity in Maintenance**

The internal components (e.g., pistons, swashplate, bearings) require periodic inspection and servicing. Unlike gear motors, which can often be serviced with basic fluid changes, radial piston motors may need disassembly and reassembly, which requires specialized knowledge.

4. **Limited Lifespan Compared to Gear Motors**

While durable, radial piston motors typically have a shorter lifespan than gear motors in applications with **low to moderate demands**. For example, a gear motor might last 10,000 hours in a simple hydraulic system, whereas a radial piston motor might be better suited for **high-demand, intermittent use** (e.g., 5,000 8,000 hours).

5. **Noise at High Speeds**

While generally quieter than gear motors, radial piston motors can produce more noise at very high speeds due to the movement of multiple pistons. This may be a consideration for noise-sensitive environments.

6. **Specialized Installation Requirements**

The motor may require **precise alignment** with the hydraulic system and **proper support** to handle dynamic loads. Improper installation can lead to premature wear or failure.

7. **Limited Availability of New Units**

Keystone is a legacy brand, and while they offer remanufactured units, finding a **brand-new** ATO 57316L motor may be challenging compared to more modern brands (e.g., Parker, Bosch Rexroth, or Eaton). This could affect lead times and pricing.

8. **Potential for Leakage**

Over time, seals can degrade, leading to **fluid leaks**. This is more common in older units or those not properly maintained. Regular inspections are necessary to catch leaks early.

---

### **Conclusion**

The **Keystone ATO 57316L hydraulic motor** is a **high-performance, durable, and efficient** choice for applications requiring **high torque, variable speed, and compact design**. It excels in **heavy-duty mobile hydraulics** (e.g., excavators, cranes, agricultural machinery) where reliability and power density are critical. However, its **higher cost, sensitivity to contamination, and maintenance requirements** make it less ideal for **low-demand or cost-sensitive applications**.

If your application demands **precision, efficiency, and longevity** and you can justify the upfront and maintenance costs the ATO 57316L is an excellent motor. For simpler, lower-cost applications, a **gear or vane motor** might be a more practical alternative.

---

### **Recommendation**

- You need **high torque, variable speed, and compact size** for a **heavy-duty hydraulic system** (e.g., construction, mining, or agricultural equipment).

- Your system already uses **Keystone components**, ensuring compatibility.

- You are prepared for **proper filtration, regular maintenance, and potential higher upfront costs**.

- The motor is **remanufactured or from a trusted supplier** to ensure reliability.

- Your application is **low-demand or cost-sensitive**, where a **gear or vane motor** would suffice.

- You **cannot guarantee clean hydraulic fluid**, as contamination will reduce lifespan.

- You lack **experience maintaining radial piston motors**, as improper servicing can lead to failure.

- You need **immediate availability**, as new units may be hard to source.

- **Parker Hannifin or Bosch Rexroth radial piston motors** (if Keystone parts are unavailable).

- **Gear or vane motors** (e.g., Bosch Rexroth VG series) for simpler, lower-cost applications.

- **Remanufactured units** from Keystone or third-party suppliers to reduce cost while maintaining reliability.

**Final Note:** Always verify the **specific model s technical manual**, **operating conditions**, and **maintenance history** before purchasing. If possible, consult a hydraulic specialist to ensure the motor matches your system s requirements.

Details:

New reman 57316L hydraulic motor Keystone Hydraulics 24163136 ATO.

part #: 57316l price

• $850.00

specifications hydraulimoto:

• brand: Ato
• mpn: 57316l
• part type: Hydraulic Motor

offer hydraulimoto:

• quantity: 1
• options: Ship-to-home
• sold: 0
• best offers: True
• started: April 8, 2026
• availability: In Stock

returns hydraulimoto:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days
• method: Money back

general hydraulimoto:

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

payments hydraulimoto:

• wallet: Google-pay
• credit card: Discover
• other

shipping hydraulimoto:

• type: Calculated
• carrier: USPS
• service: USPS Ground Advantage
• transit: 3-9 Days
• class: Standard
• cost: $0.00

seller hydraulimoto:

• # reviews: 27520
• city: wood land, North Carolina
• rating: 100.0%