
( Brand: Eaton ), ( Manufacturer Part Number: 104-3712-006 ), ( Part Type: Hydraulic Motor )
The **Eaton Char-Lynn 104-3712-006** is a high-performance, durable **gerotor-style hydraulic motor** designed for demanding industrial, mobile, and marine applications where reliability, efficiency, and compact power delivery are critical. Part of Eaton s renowned **Char-Lynn** line of hydraulic components, this motor is engineered to deliver consistent torque and smooth operation across a wide range of operating conditions, making it an ideal choice for equipment such as **agricultural machinery, construction vehicles, material handling systems, and specialized marine propulsion setups**. With a **displacement of 104 cm /rev**, the 104-3712-006 provides a robust balance between power output and operational efficiency, ensuring optimal performance in both high-pressure and variable-flow applications.
Constructed from **high-grade materials**, including **cast iron housings** and **precision-machined components**, this motor is built to withstand the rigors of continuous use, extreme temperatures, and exposure to contaminants common challenges in industrial environments. The **gerotor design** ensures smooth, pulsation-free operation, reducing wear on connected systems and extending the lifespan of the motor while minimizing noise and vibration. Its **compact yet robust construction** allows for easy integration into tight spaces, making it versatile for retrofitting or new installations where space efficiency is a priority.
The **104-3712-006** is equipped with **sealed bearings and a robust shaft design**, enhancing durability and reducing maintenance requirements. The motor s **pressure rating of up to 345 bar (5,000 psi)** and **operating temperature range of -40 C to 100 C (-40 F to 212 F)** make it suitable for a wide array of harsh environments, from cold-weather outdoor applications to high-heat industrial settings. Additionally, its **adjustable displacement feature** (when paired with compatible controls) allows for precise speed and torque modulation, improving system flexibility and energy efficiency.
Eaton s **Char-Lynn** branding guarantees adherence to stringent quality and performance standards, ensuring that this motor meets or exceeds industry benchmarks for reliability and longevity. Whether used in **agricultural sprayers, hydraulic excavators, marine winches, or material handling cranes**, the **104-3712-006** delivers dependable hydraulic power with minimal downtime. Its **backlash-free operation** and **low-friction design** further contribute to its reputation as a high-performance workhorse, making it a preferred choice for engineers and operators seeking a motor that combines **durability, efficiency, and ease of maintenance** in a single, compact package.
### **Pros and Cons of buying a Eaton 104-3712-006 (Char-Lynn Hydraulic Motor)**
#### **Pros:**1. **Reliability and Durability** Eaton (formerly Char-Lynn) is a well-established brand known for manufacturing high-quality hydraulic components. This motor is designed for heavy-duty applications, offering long service life under demanding conditions.
2. **Compatibility and Versatility** The 104-3712-006 is part of Eaton s proven series of hydraulic motors, making it suitable for various industrial, agricultural, and mobile equipment applications, including lifts, winches, and hydraulic systems requiring precise control.
3. **Efficient Performance** The motor is designed for smooth operation with minimal leakage, ensuring better energy efficiency and reduced heat buildup compared to lower-quality alternatives.
4. **Easy Maintenance** Eaton motors are generally designed with accessible components, making servicing, repairs, and part replacements more straightforward than with some competitors.
5. **Warranty and Support** Eaton offers warranties and has a global network of distributors and service centers, providing technical support and replacement parts when needed.
6. **Standardized Design** Being a widely used model, finding replacement parts, seals, or accessories is easier than with niche or discontinued brands.
7. **High Torque Output** Suitable for applications requiring significant rotational force, such as hydraulic cylinders in construction or material handling equipment.
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#### **Cons:**1. **Higher Upfront Cost** Compared to generic or aftermarket hydraulic motors, Eaton s branded parts typically come at a premium price, which may be a barrier for budget-conscious buyers.
2. **Potential for Overkill in Some Applications** If the motor s specifications exceed the actual requirements of the system, it may be unnecessarily expensive without providing significant performance benefits.
3. **Specialized Installation Requirements** Some Eaton motors, including this model, may require precise alignment and proper hydraulic system setup to avoid premature wear or failure.
4. **Limited Availability of Aftermarket Parts** While Eaton parts are reliable, finding third-party replacements (e.g., seals, shafts) may be more difficult than with more common brands.
5. **Weight and Size** Heavy-duty hydraulic motors like this one can be bulky, which may complicate installation in space-constrained systems.
6. **Learning Curve for Non-Experts** If the buyer lacks experience with hydraulic systems, improper handling or installation could lead to damage or reduced lifespan.
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### **Conclusion:**The **Eaton 104-3712-006 Char-Lynn hydraulic motor** is a robust, high-performance component ideal for demanding applications where reliability and longevity are critical. Its reputation for durability and compatibility with professional hydraulic systems makes it a strong choice for industrial, agricultural, or mobile equipment. However, the higher cost and potential complexity of installation or maintenance may not justify the purchase for low-demand or budget-sensitive applications.
For users who prioritize **long-term performance, brand trust, and ease of servicing**, this motor is a solid investment. For those operating under tight budgets or with simpler systems, evaluating alternatives such as aftermarket or lower-spec motors may be more cost-effective.
### **Recommendation:**- **Buy if:** You need a dependable, high-torque hydraulic motor for heavy-duty use, have experience with hydraulic systems, or require Eaton s warranty and support network.
- **Avoid if:** Your application does not require the motor s full capacity, budget constraints are a priority, or you lack the expertise to install/maintain it properly.
- **Alternative Consideration:** If cost is a concern, compare with other reputable brands (e.g., Parker, Bosch Rexroth) or consult a hydraulic specialist to ensure the 104-3712-006 is the optimal fit for your system.
New factory Eaton Char-Lynn hydraulic motor.