BOSTON GEAR L117Y Altra Motion

( Brand: Boston Gear ), ( Manufacturer Part Number: L117Y )

Review BOSTON GEAR Altra Industrial Motion Used

The **Boston Gear L117Y Altra Motion** is a high-performance, heavy-duty helical gearmotor designed for applications requiring precision, reliability, and robust torque transmission in demanding industrial environments. Engineered with Boston Gear s signature quality and innovation, this gearmotor combines a compact yet durable construction with the efficiency of helical gearing to deliver smooth, low-noise operation while handling continuous loads with ease. The L117Y series is part of the Altra Motion family, a line of gearmotors renowned for their modularity, energy efficiency, and adaptability to a wide range of motion control applications, from material handling and packaging machinery to conveyor systems and automated assembly lines.

At its core, the L117Y Altra Motion features a **helical gear set** that minimizes backlash and reduces wear, ensuring extended service life and consistent performance under heavy loads. The gearbox housing is constructed from high-strength cast iron, providing exceptional rigidity and resistance to deformation, while the sealed design protects internal components from dust, debris, and moisture, making it suitable for both cleanroom and harsh industrial settings. The motor interface is optimized for seamless integration with a variety of electric motors, including NEMA and IEC standards, allowing for flexible customization based on power requirements and application-specific needs.

One of the standout features of this gearmotor is its **modular design**, which simplifies maintenance and upgrades. The Altra Motion series incorporates a **quick-release output shaft** and **easy-access bearing shields**, enabling rapid disassembly and inspection without requiring specialized tools. Additionally, the gearmotor s **low backlash helical gears** ensure precise positioning and smooth motion transfer, reducing energy loss and improving overall system efficiency. For applications demanding higher torque or speed ratios, the L117Y can be paired with optional gear ratios, further enhancing its versatility across different industrial processes.

The L117Y Altra Motion is also engineered with **thermal management in mind**, featuring a robust cooling system that dissipates heat efficiently to prevent overheating, even during prolonged operation. The gearbox is equipped with **high-performance bearings** and **sealed lubrication points**, reducing friction and extending the lifespan of critical components. Furthermore, the gearmotor s **compact footprint** makes it ideal for space-constrained applications where maximizing torque density is essential without compromising performance.

Whether deployed in a high-speed packaging system, a precision material handling conveyor, or an automated manufacturing line, the **Boston Gear L117Y Altra Motion** delivers a reliable, high-efficiency solution that balances durability with operational flexibility. Its combination of helical gearing, modular design, and robust construction ensures minimal downtime and maximum productivity, making it a trusted choice for engineers and operators seeking a dependable gearmotor for their most demanding applications.

### **Boston Gear L117Y Altra Motion: Pros and Cons**

#### **Pros**

1. **High Torque and Power Density** The L117Y is a robust planetary gearmotor designed for heavy-duty applications, offering high torque output relative to its size. This makes it suitable for industrial automation, robotics, and conveyor systems where precise and powerful motion control is required.

2. **Compact and Efficient Design** As part of Boston Gear s L-series, this motor is optimized for space efficiency while maintaining strong performance. Its compact footprint allows for integration into tight mechanical systems without sacrificing power.

3. **High Reliability and Durability** Built with precision engineering, the L117Y is designed for long-term operation with minimal maintenance. The sealed construction helps protect internal components from dust, debris, and moisture, extending its lifespan in harsh environments.

4. **Versatile Mounting Options** The motor supports multiple mounting configurations (flange, foot, or shaft-mounted), providing flexibility in system integration. This adaptability makes it a practical choice for various applications, from linear actuators to rotary systems.

5. **Precision Engineering** Boston Gear is known for high-quality gearing, and the L117Y delivers smooth, accurate motion with low backlash. This is critical for applications requiring precise positioning, such as CNC machines or robotic arms.

6. **Wide Voltage and Speed Range** The motor can be customized for different voltage inputs and speed requirements, allowing it to be tailored to specific application needs. This flexibility makes it adaptable to a range of industrial setups.

7. **Compatibility with Control Systems** The L117Y can be paired with various controllers, encoders, and feedback devices, enabling advanced motion control features like speed regulation, torque limiting, and position feedback.

8. **Cost-Effective for High-Demand Applications** While not the cheapest option on the market, its durability and performance often justify the investment in applications where downtime is costly.

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#### **Cons**

1. **Higher Upfront Cost** Compared to standard gearmotors or simpler motor solutions, the L117Y represents a significant initial investment. This may be a barrier for small businesses or projects with tight budgets.

2. **Complex Installation and Setup** Due to its precision engineering and multiple customization options, installing and configuring the L117Y may require specialized knowledge. Improper setup could lead to inefficiencies or damage.

3. **Limited Off-the-Shelf Availability** As a specialized industrial component, the L117Y may not be as readily available as mass-produced motors. Lead times for custom orders or replacements could be longer than expected.

4. **Maintenance Requirements** While durable, the motor still requires periodic maintenance, such as lubrication and inspection of seals, to ensure optimal performance. Neglecting maintenance could reduce its lifespan.

5. **Not Ideal for Light-Duty Applications** For low-torque or low-speed applications where a simpler motor would suffice, the L117Y s robust design may be overkill, leading to unnecessary cost and complexity.

6. **Potential for Overkill in Some Cases** In applications where the motor s full torque capacity isn t fully utilized, the investment may not be justified. It s best suited for demanding environments where its strengths are fully leveraged.

7. **Dependence on Supplier Support** Since Boston Gear is a specialized manufacturer, users may need to rely on their technical support for troubleshooting or customization, which could add delays or costs.

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### **Conclusion**

The **Boston Gear L117Y Altra Motion** is a high-performance planetary gearmotor that excels in industrial applications requiring **high torque, precision, and durability**. Its compact design, reliability, and adaptability make it a strong choice for automation, robotics, and heavy-duty machinery. However, its **higher cost, complex installation, and specialized nature** may not align with every project, particularly those with budget constraints or simpler requirements.

If your application demands **consistent, high-torque performance in a compact form factor** and you can justify the investment in long-term reliability, the L117Y is an excellent choice. For lighter-duty or cost-sensitive applications, a more standard or lower-torque motor might be a more practical alternative.

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### **Recommendation**

- You need a **high-torque, durable gearmotor** for industrial automation, robotics, or conveyor systems.

- Your application requires **precision motion control** with minimal backlash.

- You can afford the **upfront cost** and have access to proper installation and maintenance support.

- The motor s **compact size** is critical for your mechanical setup.

- Your application is **light-duty** and doesn t require its full torque capacity.

- Budget constraints make a **simpler or lower-cost motor** a more viable option.

- You lack **expertise in motor installation and configuration**, as improper setup could lead to inefficiencies.

- You need **immediate availability**, as custom orders may have longer lead times.

For most **heavy-duty industrial applications**, the L117Y s strengths far outweigh its drawbacks, making it a **strong recommendation** for users prioritizing performance and longevity. However, always conduct a thorough cost-benefit analysis to ensure it aligns with your specific needs.

Details:

ALTRA INDUSTRIAL MOTION L117Y / USED MITER GEAR, 8 DP, 20 PA, 1:1 R, 28 TEETH, STEEL. Sells new and surplus product develops channels to purchase such. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. Call to use a shipping service other than the ones listed.

Part Number L117Y. All products are guaranteed to be working but may show signs of use if purchasing a used product.

part #: l117y prices

• $34.00-$950.00

specifications automationjack:

• brand: Boston Gear
• mpn: L117y

general automationjack:

• Business Industrial > Industrial Automation Motion Controls > Other Automation Equipment
• condition: Used

offer automationjack:

• quantity: 1
• availability: In Stock
• sold: 0
• started: April 18, 2026
• options: Ship-to-home

returns automationjack:

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

seller automationjack:

• # reviews: 2000 60
• city: 1 Millennium Dr, Willingboro, NJ 08046
• rating: 99.6%

payments automationjack:

• credit card: Discover
• wallet: Paypal
• other

shipping automationjack:

• type: Fixed
• transit: 28-33 Days
• cost: $12.90
• class: Standard
• service: Standard

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