VICKERS 686031 Eaton

( Brand: Vickers ), ( Manufacturer Part Number: 686031 )

Review VICKERS Eaton Corporation Used

The **Vickers 686031 Eaton** is a high-performance, heavy-duty transmission designed for industrial and commercial applications where reliability, durability, and precision are paramount. Part of the robust Eaton Full-Range transmission series, this model is engineered to deliver exceptional torque capacity and smooth operation across a wide range of speeds, making it an ideal choice for demanding environments such as construction equipment, agricultural machinery, marine vessels, and specialized industrial conveyors. Its robust construction features a compact yet sturdy housing forged from high-grade steel, ensuring resistance to wear, impact, and extreme operating conditions. The transmission incorporates Eaton s proprietary **Full-Range gearing technology**, which allows for seamless shifting between forward and reverse gears while maintaining minimal power loss, thereby optimizing efficiency and extending the lifespan of connected components.

At the heart of the **686031 Eaton** lies a sophisticated **planetary gear system**, which distributes load evenly across multiple gear teeth, reducing stress on individual components and enhancing overall durability. This design also contributes to quieter operation compared to traditional parallel-shaft transmissions, making it well-suited for applications where noise reduction is a priority. The transmission is equipped with **Eaton s exclusive TorqueLock clutch system**, which provides smooth, synchronized engagement and disengagement of gears, minimizing jerking and wear during shifting. Additionally, the unit features **adjustable backlash compensation**, allowing operators to fine-tune gear play for optimal performance in varying load conditions.

For enhanced protection and longevity, the **Vickers 686031 Eaton** is engineered with **sealed and lubricated bearings**, reducing the risk of contamination and extending maintenance intervals. The transmission is compatible with a variety of **high-performance lubricants**, including synthetic and mineral oils, depending on the application s temperature and load requirements. Its **compact yet robust design** allows for easy integration into existing machinery, while the **modular input/output shaft configurations** provide flexibility for custom mounting solutions. Whether used in a **heavy-duty excavator, agricultural harvester, or industrial conveyor system**, this transmission delivers consistent power transmission, minimal downtime, and superior reliability making it a trusted workhorse in industries where performance cannot be compromised.

### **Pros and Cons of buying a Vickers 686031 (Eaton) Hydraulic Pump**

The **Vickers 686031** (manufactured by Eaton) is a well-regarded **gerotor-style hydraulic pump**, commonly used in industrial, agricultural, and mobile hydraulic systems. Below is a detailed breakdown of its advantages and disadvantages.

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### **Pros**

1. **Reliability and Durability**

- Vickers (now Eaton) has a long-standing reputation for producing high-quality hydraulic components. The 686031 is known for its robust construction, making it suitable for heavy-duty applications.

- The gerotor design is inherently durable, with fewer moving parts than piston pumps, reducing wear and tear over time.

2. **Compact and Lightweight**

- Compared to other hydraulic pumps of similar capacity, the 686031 is relatively compact, making it ideal for applications where space is limited.

- Its lightweight design helps reduce overall system weight, improving maneuverability in mobile equipment.

3. **Versatile Flow Rates**

- Available in multiple displacement sizes (e.g., 1.5, 2.5, 4.0 GPM), the 686031 can be matched to various system requirements, from light-duty to moderate hydraulic applications.

- The pump can be used in both **fixed displacement** and **variable displacement** configurations, depending on the application.

4. **Low Maintenance Requirements**

- Gerotor pumps generally require less frequent maintenance than piston or vane pumps due to their simpler internal design.

- The absence of valves (in some configurations) reduces potential failure points, lowering downtime.

5. **Good Pressure Handling**

- The 686031 can operate effectively at pressures up to **3,000 PSI**, making it suitable for many industrial and agricultural machines.

- It performs well in applications where moderate pressure is required without excessive stress on the system.

6. **Compatibility with Eaton s Hydraulic Systems**

- Since Vickers (Eaton) produces a wide range of hydraulic components, the 686031 integrates seamlessly with other Eaton valves, cylinders, and filters.

- This compatibility simplifies system design and reduces the need for third-party parts.

7. **Cost-Effective for Mid-Range Applications**

- While not the cheapest pump on the market, the 686031 offers a **good balance between performance and cost** for applications that do not require ultra-high efficiency or extreme pressure.

- Its longevity and reliability help offset initial purchase costs over time.

8. **Wide Availability of Parts and Support**

- As a legacy Vickers/Eaton product, replacement parts, service manuals, and technical support are still widely available, even if newer models have replaced it in some applications.

- Many hydraulic specialists and dealerships have experience working with this pump, ensuring easier troubleshooting.

---

### **Cons**

1. **Lower Efficiency Compared to Modern Pumps**

- The 686031 is an older design (originally introduced decades ago), and newer **axial piston or radial piston pumps** offer **higher volumetric efficiency** (up to 95% vs. 85-90% for gerotor pumps).

- This means slightly higher fuel consumption or energy loss in hydraulic systems where efficiency is critical.

2. **Limited High-Pressure Capability**

- While it handles **3,000 PSI well**, it is not optimized for **high-pressure applications** (e.g., above 3,500 PSI), where piston pumps (such as Vickers 40 series) may be more suitable.

- In extreme pressure scenarios, internal leakage and wear may occur more quickly.

3. **Noise and Vibration**

- Gerotor pumps can generate **more noise and vibration** compared to smoother-running piston pumps, which may be a concern in sensitive applications.

- This can also contribute to faster wear on connected hydraulic lines and components.

4. **Sensitivity to Contamination**

- Like all hydraulic pumps, the 686031 is **highly sensitive to fluid contamination**. Poor filtration can lead to premature failure, especially in the gerotor mechanism.

- Requires **strict fluid maintenance** (cleanliness, proper additives) to ensure longevity.

5. **Limited Variable Displacement Options**

- While some models allow for **limited variable displacement**, the 686031 is primarily a **fixed-displacement pump**. For applications requiring precise flow control, a **variable displacement pump** (e.g., Vickers 40 series) may be more appropriate.

- Adjusting flow rates may require external flow control valves, adding complexity.

6. **Discontinued Status (Partial Obsolescence)**

- Eaton has **phased out production** of some Vickers models in favor of newer designs (e.g., **Eaton s Vickerman or Rexroth** alternatives).

- While still available from distributors, **long-term part availability may become an issue** as stock is depleted.

- Newer pumps may offer **better warranties and software integration** (if applicable in mobile systems).

7. **Higher Initial Cost Than Basic Pumps**

- While not excessively expensive, the 686031 is **more costly than basic vane or gear pumps** (e.g., some Bosch or Parker alternatives).

- For budget-sensitive applications, cheaper pumps may suffice if performance requirements are lower.

8. **Limited Digital Integration**

- Unlike modern **electrically variable displacement pumps**, the 686031 lacks **smart features** such as remote monitoring, digital flow control, or integration with PLC systems.

- Not ideal for **automated or highly controlled hydraulic systems**.

---

### **Conclusion**

The **Vickers 686031 (Eaton) gerotor pump** remains a **reliable, durable, and versatile choice** for mid-range hydraulic applications where **compact size, moderate pressure, and simplicity** are priorities. It excels in **industrial, agricultural, and mobile equipment** where efficiency is not the top concern but **longevity and ease of maintenance** are valued.

However, if **high efficiency, extreme pressure handling, or digital integration** are required, newer **axial piston or variable displacement pumps** (e.g., Vickers 40 series, Eaton Vickerman, or Rexroth A4VM) would be better suited. Additionally, buyers should consider **long-term part availability** and whether the pump s age may lead to future compatibility issues.

For **legacy systems, cost-effective mid-range applications, or where space is limited**, the 686031 remains a **solid, proven choice**. For **modern, high-performance systems**, investing in a newer pump model may be more beneficial in the long run.

---

### **Final Recommendation**

- You need a **reliable, compact, and low-maintenance** pump for **moderate-pressure applications** (up to 3,000 PSI).

- Your system **does not require ultra-high efficiency** and operates in **industrial, agricultural, or mobile equipment**.

- You have **existing Eaton components** and prefer **proven compatibility**.

- Budget constraints make newer, more efficient pumps impractical.

- You require **high efficiency, extreme pressure, or variable displacement** opt for **axial piston pumps** (e.g., Vickers 40 series).

- Your application involves **digital integration or smart hydraulics** newer pumps with **electronic controls** are better.

- You are concerned about **long-term part availability** check if Eaton still supports it or if a newer model exists.

- Noise and vibration are **critical concerns** a piston pump may be quieter.

For most **new installations**, a **modern Eaton or Rexroth pump** would be the better long-term investment. However, for **retrofits, legacy systems, or cost-sensitive applications**, the 686031 remains a **practical and dependable option**.

Details:

Sells new and surplus product develops channels to purchase such. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. EATON CORPORATION 686031 / USED COIL, SOLENOID 24 VDC, 1.5 AMP, FLYING LEAD CONNECTION, FOR HYDRAULIC VALVES. All products are guaranteed to be working but may show signs of use if purchasing a used product.

Call to use a shipping service other than the ones listed. Part Number 686031.

part #: 686031 prices

• $49.99-$350.00

specifications valvesplumbing:

• brand: Vickers
• mpn: 686031

shipping valvesplumbing:

• type: Fixed
• transit: 29-33 Days
• cost: $12.90
• service: Standard
• class: Standard

returns valvesplumbing:

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

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offer valvesplumbing:

• options: Ship-to-home
• started: April 6, 2026
• quantity: 1
• availability: In Stock
• sold: 0

general valvesplumbing:

• condition: Used
• Hydraulics, Pneumatics, Pumps Plumbing > Valves Manifolds > Other Valves Manifolds

seller valvesplumbing:

• city: 1 Millennium Dr, Willingboro, NJ 08046
• # reviews: 197977
• rating: 99.6%

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