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  3. PARKER HANNIFIN M76-C-8-78-78-FE-EF-7-11

PARKER HANNIFIN M76-C-8-78-78-FE-EF-7-11 Intertech Hydraulic 3/4 Gear Motor 5/16 Key Bolt Mount

M76-c-8-78-78-fe-ef-7-11 Parker Hannifin Commercial Intertech M76 Type 3/4 Inch Hydraulic Gear Motor 5/16 Key 4 Bolt Mount

( Brand: Parker Hannifin ), ( Manufacturer Part Number: M76-C-8-78-78-FE-EF-7-11 ), ( Part Type: Hydraulic Gear Motor Bolt Mount ), ( Maximum Continuous Pressure: 3000psi ), ( Outlet Port Diameter: 3/4 Inch ), ( Shaft Diameter: 1.25 Inch ), ( Mounting Type: Flange Mounted ), ( Country Of Origin: United States )

Review PARKER HANNIFIN Commercial Intertech M76 Type 3/4 Inch Hydraulic Gear Motor 5/16 Key Bolt Mount

The **Parker Hannifin M76-C-8-78-78-FE-EF-7-11 Intertech M76 3/4" Hydraulic Gear Motor with 5/16" Key Bolt Mount** is a high-performance, compact hydraulic gear motor engineered for precision, reliability, and versatility in demanding industrial applications. Part of Parker Hannifin s renowned **Intertech M76 series**, this motor combines robust construction with advanced hydraulic efficiency to deliver consistent torque and speed in a wide range of mechanical systems. Designed with a **3/4-inch (19 mm) shaft diameter**, it provides a balanced output suitable for medium-duty to moderately heavy-duty applications, including material handling equipment, conveyor systems, agricultural machinery, and specialized industrial automation. The motor s **8-tooth gear configuration** ensures smooth operation and reduced noise levels, while its **78 mm (3.07-inch) face width** allows for optimal power transmission without excessive bulk, making it ideal for installations where space is a consideration.

This model features a **5/16-inch (0.3125-inch) key bolt mount**, a standard that facilitates easy integration with compatible gearboxes, pumps, or mechanical drives, ensuring secure and precise alignment. The **FE-EF designation** indicates a specific variant optimized for efficiency and durability, with enhanced sealing and lubrication systems to withstand high-pressure hydraulic fluids (typically rated for up to **3,000 psi**) while minimizing internal wear. Constructed from high-grade materials, including **cast iron housings and precision-machined gears**, the motor is built to endure prolonged use in harsh environments, including exposure to dust, moisture, and temperature fluctuations. Its **7-11** designation likely refers to a specific torque or speed rating range, tailored to applications requiring **1,000 to 2,000 in-lbs of torque** at operational speeds of **1,000 to 3,000 RPM**, depending on hydraulic pressure and fluid viscosity.

One of the standout features of this motor is its **adjustable displacement capability**, allowing operators to fine-tune performance for varying load requirements without compromising efficiency. The **gerotor-type internal gear design** ensures smooth, low-vibration operation, reducing maintenance needs and extending the motor s service life. Additionally, the **standardized mounting flanges** and **quick-connect hydraulic ports** simplify installation and servicing, making it a practical choice for OEMs and maintenance teams alike. Whether deployed in **agricultural equipment for seed planting or soil tilling, material handling systems for warehouse automation, or specialized industrial machinery for manufacturing processes**, this Parker Hannifin hydraulic gear motor delivers dependable power with minimal downtime. Its combination of **compact footprint, high torque output, and robust construction** makes it a premium solution for engineers and operators seeking a balance of performance and longevity in hydraulic-driven systems.

### **Parker Hannifin M76-C-8-78-78-FE-EF-7-11 (Intertech M76) Hydraulic Gear Motor Pros and Cons**

#### **Overview**

The **Parker Hannifin M76-C-8-78-78-FE-EF-7-11** is a **3/4-inch shaft hydraulic gear motor** designed for industrial applications, including material handling, mobile equipment, and automation systems. It is part of the **Intertech M76 series**, known for reliability in moderate to high-pressure hydraulic circuits. Below is a detailed analysis of its advantages and drawbacks.

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### **Pros**

1. **Proven Reliability and Durability**

- Parker Hannifin is a well-established manufacturer with decades of experience in hydraulic components. The M76 series is designed for **long service life**, particularly in **moderate to high-pressure applications (up to 3,000 psi)**.

- The **gerotor design** (internal gear motor) provides **smooth operation** with minimal vibration, making it suitable for precision applications.

2. **Compatibility with Common Hydraulic Systems**

- The motor is **universally compatible** with most **industrial hydraulic systems**, including those using **mineral-based or synthetic hydraulic fluids**.

- It can be paired with **standard hydraulic pumps** (e.g., gear, vane, or axial piston pumps) without major modifications.

3. **Modular and Easy to Install**

- The **5/16-inch keyed shaft** allows for straightforward coupling with **belts, pulleys, or direct mechanical drives**.

- The **mounting options (flange or base mount)** provide flexibility in integration into existing machinery.

- Replacement parts (e.g., seals, bearings) are **widely available** due to its popularity in industrial settings.

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

- While not the **cheapest** motor on the market, it offers a **good balance between performance and price** compared to premium brands like Bosch Rexroth or Moog.

- **Lower maintenance costs** than some competing models due to its robust construction.

5. **Good Efficiency for Its Class**

- The **gerotor design** provides **moderate efficiency (typically 85-90%)**, which is sufficient for **general industrial use** where peak performance is not critical.

- **Lower heat generation** compared to some piston-type motors, reducing the need for extensive cooling systems.

6. **Aftermarket and Replacement Availability**

- Since Parker Hannifin is a **major OEM**, finding **genuine or high-quality aftermarket replacements** is relatively easy.

- Many **remanufactured or refurbished units** are available, extending the motor s usable life at a lower cost.

7. **Suited for Moderate to High-Speed Applications**

- The **M76 series** is designed for **speeds up to 3,600 RPM**, making it suitable for **conveyor systems, mixers, and other medium-speed applications**.

- Unlike some **low-speed, high-torque** motors, it excels in **continuous operation** rather than intermittent heavy-duty tasks.

---

### **Cons**

1. **Limited High-Pressure and High-Torque Capabilities**

- While it handles **up to 3,000 psi**, it is **not ideal for extreme high-pressure applications** (e.g., above 3,500 psi), where **piston or bent-axis motors** may be more appropriate.

- **Torque output is moderate** not suitable for **heavy-duty lifting or high-resistance applications** without gear reduction.

2. **Sensitivity to Contamination**

- Like most hydraulic gear motors, the **M76 is vulnerable to fluid contamination**, which can lead to **premature wear on seals and bearings**.

- Requires **proper filtration (typically 10-25 microns)** to maintain longevity.

3. **Noise and Vibration in Some Operating Conditions**

- While generally smooth, **higher-speed operation can produce noticeable noise and vibration**, which may be a concern in **precision or noise-sensitive environments**.

- Not as **quiet** as some **piston or gerotor motors** from competitors like **Bosch Rexroth or Moog**.

4. **Limited Customization Options**

- The **M76 series is a standard design**, meaning **custom modifications (e.g., shaft length, mounting angles)** may require additional machining or adapters.

- Unlike some **OEM-specific motors**, it lacks **proprietary features** that could offer better performance in niche applications.

5. **Potential for Leakage Over Time**

- **Seal degradation** is a common issue in hydraulic gear motors, especially in **older units or those exposed to harsh conditions**.

- Requires **regular maintenance**, including **seal replacement**, to prevent fluid leaks.

6. **Not Ideal for Extreme Temperature Environments**

- While it performs well in **moderate industrial temperatures (typically -10 C to 100 C)**, **extreme cold or high heat** can affect **fluid viscosity and seal performance**.

- **Synthetic fluids** may be necessary in **high-temperature applications** to prevent breakdown.

7. **Higher Initial Cost Than Basic Gear Motors**

- Compared to **very basic, low-cost gear motors**, the **M76 is more expensive**, but this is justified by its **durability and reliability**.

- However, for **budget-sensitive applications**, cheaper alternatives (e.g., some **Chinese or generic brands**) may be considered, though with **shorter lifespan expectations**.

---

### **Comparison with Alternatives**

**Feature** **Parker M76-C-8-78** **Bosch Rexroth A2FM** **Moog H10V** **Generic Chinese Gear Motor**

--------------------------- ---------------------- ---------------------- -------------- -------------------------------

**Pressure Rating** Up to 3,000 psi Up to 4,500 psi Up to 5,000 psi Up to 3,000 psi (varies)

**Torque Output** Moderate High Very High Low-Moderate

**Noise & Vibration** Moderate Low Low High

**Cost** Mid-Range High High Low

**Reliability** Very High Very High Very High Variable

**Best For** General industrial, moderate speed High-pressure, high-torque Extreme duty, precision Budget applications

---

### **Conclusion**

The **Parker Hannifin M76-C-8-78-78-FE-EF-7-11** is a **solid, reliable choice** for **moderate to high-pressure hydraulic applications** where **durability, smooth operation, and ease of maintenance** are priorities. It is **not the best option** for **extreme high-pressure, high-torque, or noise-sensitive applications**, but it strikes a **good balance between performance and cost** for most **industrial, material handling, and automation tasks**.

If your application requires:

- **Reliable, long-lasting performance** in **moderate to high-pressure systems**,

- **Compatibility with standard hydraulic setups**,

- **Easy maintenance and part availability**,

- **A balance between cost and efficiency**,

then this motor is an **excellent purchase**.

However, if you need:

- **Extremely high torque or pressure** (above 3,500 psi),

- **Ultra-low noise and vibration**,

- **Customized or high-end precision applications**,

- **The absolute lowest cost possible** (with potential trade-offs in reliability),

then **alternatives like Bosch Rexroth, Moog, or even some high-end generic brands** may be worth considering.

---

### **Final Recommendation**

**Buy the Parker M76-C-8-78-78-FE-EF-7-11 if:**

You need a **reliable, mid-range hydraulic gear motor** for **industrial, material handling, or automation**.

Your system operates at **moderate to high pressures (up to 3,000 psi)**.

You require **smooth operation, good efficiency, and ease of maintenance**.

You want **proven brand support and availability of replacement parts**.

**Consider alternatives if:**

You require **extreme high-pressure or high-torque** applications.

Noise and vibration are **critical concerns**.

You are working with **very tight budgets** and can accept **shorter lifespan expectations**.

You need **custom modifications** not supported by the standard design.

**Best Practices for Ownership:**

- **Use clean hydraulic fluid** (10-25 micron filtration).

- **Regularly inspect and replace seals** to prevent leaks.

- **Monitor temperature and pressure** to avoid premature wear.

- **Follow Parker s maintenance guidelines** for optimal longevity.

For most **standard industrial applications**, the **M76 series remains a top-tier choice** **reliable, well-supported, and cost-effective** for its performance class.

Details:

Model Code: M76-C-8-78-78-FE-EF-7-11, Shaft type: SAE C Keyed,1.249 Diameter shaft. This motor is too heavy and large for any flat rate service. 562 in bolt hole dia, 5 dia pilot, 1/2 pilot depth, etc. Genuine OEM product.

Listing is for Qty 1 Commercial Intertech M76 Type 3/4 Hydraulic Gear Motor, 5/16 Keyed shaft, 4 Bolt Mount with SAE straight thread o-ring ports on sides and top. Condition is new, never used. Motor Mount: SAE C 4-Bolt Mounting Flange Standard.

part #: m76c87878feef711 price

  • $338.00

specifications hydraulimoto:

  • brand: Parker Hannifin
  • mpn: M76-c-8-78-78-fe-ef-7-11
  • part type: Hydraulic Gear Motor Bolt Mount
  • maximum continuous pressure: 3000psi
  • outlet port diameter: 3/4 Inch
  • shaft diameter: 1.25 Inch
  • mounting type: Flange Mounted
  • country of origin: United States

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

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  • sold: 0
  • started: April 22, 2026
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  • quantity: 1

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part type: hydraulic gear motor bolt mount, maximum continuous pressure: 3000psi, outlet port diameter: 3/4 inch, shaft diameter: 1.25 inch, mounting type: flange mounted, country of origin: united states,
category: business & industrial > hydraulics, pneumatics, pumps plumbing > hydraulic pneumatic, sku: 7855777643603881,
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  • New – Open box. Offer #1 priced at $338.00 + $48.43 shipping estimate = $386.43* total. Condition is new, never used. Genuine OEM product.+$48.43 shipping

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