Category Archives: Bonfiglioli

Bonfiglioli 316R Series Planetary Gearbox Reducer Replacement 316R3 316R4

Introducing the 316R Series Planetary Gearbox

One of the top-notch products in the mechanical transmission industry today, the 316R Series Planetary Gearbox, boasts an optimized design, module combination, and right-angle output. These features result in a reduction of space, making it a compact and efficient choice for various applications. Its high-strength gears ensure a long service life, and it can be combined with various motors, offering a wider range of transmission ratios.

Famed for its high output torque, the 316R Series Planetary Gearbox ensures a smooth start and high efficiency, resulting in optimal performance in various settings. The image below provides an insight into the product’s design and features.

Bonfiglioli 316R Series Planetary Gearbox Reducer Replacement 316R3 316R4

Applications of the 316R Series Planetary Gearbox

The 316R Series Planetary Gearbox is an efficient and high-performance mechanical transmission device with a wide range of applications. Its versatility can be seen in its use in:

Industrial Machinery

The 316R Series Planetary Gearbox can be utilized in industrial machinery, such as conveyor belts, mixers, vibrators, and coil machines, amongst others.

Automation Equipment

Bonfiglioli 315L Series Planetary Gearbox Reducer Replacement 315L1 315L2 315L3 315L4

With a constant focus on delivering high-quality and reliable gearboxes, we are proud to present the 315L Series Planetary Gearbox. These gearboxes come with torque ranging from 1000 to 450000Nm, providing adequate power for a wide range of applications. The design and dimensions of these gearboxes adhere strictly to the specifications of Italian and American manufacturers. Therefore, they can completely interchange with well-known series like Brevini ED, ET, EQ, EM, EC, and EL series, Bonfiglioli 300 series and Dinamicoil RE, RA series.

Product Details

The planetary gearboxes are composed of an inner toothed ring gear equipped with three planets installed on the planet carrier. These planets mesh with the sun gear (pinion), and the reduced output speed is obtained via the planet carrier while the ring gear remains stationary. This design allows the output shaft to maintain the same direction of rotation as the input shaft. The gearboxes have a high deceleration ratio, energy efficiency, and long life span.

Applications of the Planetary Gearbox

Planetary gearboxes are used in a variety of industrial sectors including:

  • Machine tools
  • Plastic machinery
  • Cargo and personnel lifts
  • Derrick and dock cranes
  • Material-handling equipment
  • Truck-mounted mobile cranes
  • Dredging equipment
  • Road manufacturing machinery
  • Sugar crystallizers and mill drivers

Bonfiglioli 313L Series Planetary Gearbox Reducer Replacement 313L1 313L2 313L3 313L4

Understanding the “313” in Bonfiglioli’s 313L series planetary gearbox is essential. It is not merely a specific number or code but represents one of the series gearbox models. The 313L series gearbox, similar to the 310L series gearbox, utilizes the principle of planetary gear transmission. It comprises multiple planetary gears, sun gears, and internal gear rings. The power transmission and torque amplification occur through the meshing between the gear teeth.

Distinct Features of the 313L Series Gearbox

The 313L series gearbox boasts distinct features compared to the 310L series gearbox. For instance, the maximum output torque and input speed of the 313L series gearbox exceed those of the 310L series. This makes it appropriate for applications necessitating a higher torque output. Additionally, the 313L series gearbox provides various installation methods and transmission ratio options to cater to different application scenarios.

Thus, the 313L series gearbox is a high-performance, high-torque, and multifunctional mechanical transmission device suitable for various applications in industrial machinery, construction machinery, metallurgical equipment, and other fields.

Bonfiglioli 313L Series Planetary Gearbox Reducer Replacement 313L1 313L2 313L3 313L4

Technical Specifications of the 313L Series Gearbox

Torque range 1,000 … 1,100,000 Nm (8,850 … 9,735,820 in-lb)
Gear ratios 3.4 … 5,000
Transmissible Mechanical Power up to 1,050 kW
Brake options Hydraulic brakeHydraulically released parking brake on request

Electric brake

DC and AC type

Output Foot and flange mountedOutput shaft: solid with key, splined, splined hollow, hollow with shrink disc
Input Flanged axial piston hydraulic motorsHydraulic orbit motors

IEC and Nema motor adapters

Solid input shaft

Applicable motors Piston hydraulic motorsHydraulic orbit motors

Electric motors IEC

About Xinlan

Xinlan is a professional manufacturer of planetary gearboxes. We offer a wide range of gearbox products that are interchangeable with various global brands, including Brevini ED, ET, EQ, EM, EC, and EL Bonfiglioli 300 series, and Dinamicoil RE, RA series. Our products are ideal replacements for these Italian products due to the strict design and dimension adherence.

Xinlan Factory

Our Range of Products

We offer a diverse range of products, including Planetary gearbox, Wheel drive gearbox, Winch drive gearbox, and Track drive gearbox. Our installation dimensions are fully compatible with Trasmital Bonfiglioli, and the performance parameters are extremely close, making our products ideal replacements for Trasmital Bonfiglioli’s.

Xinlan Product Range

Take Action Now

Discover the power and efficiency of our 313L series gearbox today. Don’t miss out on the opportunity to explore our diverse range of products, each designed to deliver exceptional performance and reliability. We assure you that our products are the perfect fit for your needs. Experience the Xinlan difference today!

Frequently Asked Questions

  1. What does the “313” in Bonfiglioli’s 313L series planetary gearbox signify?The “313” in Bonfiglioli’s 313L series planetary gearbox is not a specific number or code but represents one of the series gearbox models.
  2. What makes the 313L series gearbox different from the 310L series gearbox?The 313L series gearbox has a higher maximum output torque and input speed than the 310L series, making it suitable for applications that require a higher torque output.
  3. What applications are the 313L series gearbox suitable for?The 313L series gearbox is suitable for various applications in industrial machinery, construction machinery, metallurgical equipment, and other fields.
  4. Can Xinlan’s products replace Trasmital Bonfiglioli’s products?Yes, our products are designed and dimensioned strictly according to Italian and American manufacturers, making them ideal replacements for Trasmital Bonfiglioli’s products.
  5. What other products does Xinlan offer?Other than the 313L series gearbox, Xinlan also offers a wide range of products such as Planetary gearbox, Wheel drive gearbox, Winch drive gearbox, and Track drive gearbox.

Bonfiglioli 311R Series Planetary Gearbox Reducer Replacement 311R2 311R3 311R4

Bonfiglioli 311R Series Planetary Gearbox Reducer Replacement  311R2 311R3 311R4

Introduction to 311R Series Planetary Gearbox

The 311R Series Planetary Gearbox is among several other gearbox models that exhibit similar performance and application range with Bonfiglioli 311R series. Our gearbox is an ideal replacement for several brands of gearboxes, retaining their unique features and advantages. This makes it important to choose a gearbox that is most suitable for specific application requirements.

Comparable Gearbox Models

Our gearboxes can replace a wide range of gearbox brands. Here are a few examples:

  • SEW-EURODRIVE P series planetary gearboxes: These gearboxes are designed specifically for high torque and high-speed applications, and offer a wide range of transmission ratios and installation options.
  • Sumitomo Drive Technologies Cycle BBB4 gearboxes: These gearboxes use cycloidal technology to provide high torque capacity, low backlash, and quiet operation.
  • Ball gear motor planetary gearbox: Ball’s planetary gearbox is designed specifically for high-performance applications and offers a range of transmission ratios and installation options.
  • Nord Gear Corporation MAXXDRIVE industrial gear units: These gearboxes are designed specifically for heavy-duty applications, with high torque capacity, low noise, and low vibration.
  • Flender planetary gearboxes: These gearboxes are designed specifically for high torque and high-speed applications and offer a range of transmission ratios and installation options.

Key Features of the 311R Series Planetary Gearbox

Torque range 1,000 … 450.000 Nm
Gear ratios 6.9 … 9,000
Transmissible Mechanical Power up to 150 kW
Brake options Hydraulic brakeHydraulically released parking brake on request

Electric brake

DC and AC type

Output Foot and flange mountedOutput shaft: solid with key, splined, splined hollow, hollow with shrink disc
Input Flanged axial piston hydraulic motorsHydraulic orbit motors

IEC and Nema motor adapters

Solid input shaft

Applicable motors Piston hydraulic motorsHydraulic orbit motors

Electric motors IEC

Our Company Strength

As a professional manufacturer of planetary gearboxes, we pride ourselves on our ability to produce replacements for several other brands, such as Brevini riduttori, BOSCH REXROTH, COMER INDUSTRIES, REGGIANA RIDUTTORI, ROSSI, ZOLLERN. Our installation and dimensions of planetary gearboxes are designed strictly in line with Italian and American manufacturers. Hence, they are ideal substitutes for those Italian products.

Our Factory

Our Products

Explore Our Products

We encourage you to explore our 311R Series Planetary Gearbox and the wide range of other gearbox products we offer. Our team is always ready to provide more information and help you find the most suitable product for your specific application requirements. Don’t settle for less; choose a product that guarantees high performance and durability.

FAQs

  1. Q: What is the torque range of the 311R Series Planetary Gearbox?
    A: The torque range of the 311R Series Planetary Gearbox is 1,000 … 450.000 Nm.
  2. Q: What are the brake options for the 311R Series Planetary Gearbox?
    A: The brake options for the 311R Series Planetary Gearbox include hydraulic brake, hydraulically released parking brake on request, electric brake, DC and AC type.
  3. Q: Can the 311R Series Planetary Gearbox be used as a replacement for other brands?
    A: Yes, the 311R Series Planetary Gearbox can perfectly replace several gearbox brands.
  4. Q: What are the input options for the 311R Series Planetary Gearbox?
    A: The input options for the 311R Series Planetary Gearbox include flanged axial piston hydraulic motors, hydraulic orbit motors, IEC and Nema motor adapters, and solid input shaft.
  5. Q: What type of motors are applicable with the 311R Series Planetary Gearbox?
    A: The applicable motors for the 311R Series Planetary Gearbox include piston hydraulic motors, hydraulic orbit motors, and electric motors IEC.

Replacement Bonfiglioli 311L Series Planetary Gearbox

Discover the Excellence of the 311L Series Planetary Gearbox

High-performance, versatility, and reliability are the unique characteristics of the Bonfiglioli 311L series planetary gearbox. Designed to suit a wide range of applications, this multifunctional gearbox is a game-changer in the world of machinery and equipment.

Unmatched Versatility

One of the key features of the 311L series gearbox is its versatility. It is designed to be used in a variety of industrial applications. Here are some common ones:

  • Material-handling equipment: The gearbox can provide high torque and efficient power transmission for conveyor systems, cranes and other material-handling equipment.
  • Mining and mineral processing: The 311L series gearbox is ideal for mining and mineral processing equipment, including crushers, conveyors, and grinders.
  • Construction equipment: It can be used for different construction equipment, such as mixers, pumps, and cranes.
  • Agricultural and forestry equipment: The gearbox is suitable for use in agricultural and forestry equipment, like harvesters, balers and sprayers.
  • Renewable energy equipment: It is also commonly used for wind turbines and other renewable energy equipment to provide efficient power transmission.
  • Marine and offshore equipment: The gearbox is used in marine and offshore equipment, including winches, cranes, and propulsion systems.

High Performance and Reliability

What sets the 311L series gearbox apart from others is its high performance and reliability. It boasts an efficient, compact design and a wide transmission ratio, making it a popular choice for various types of machinery and equipment. With a torque range of 1,000 … 1,100,000 Nm (8,850 … 9,735,820 in-lb) and gear ratios of 3.4 … 5,000, it offers transmissible mechanical power up to 1,050 kW. It also offers various brake options and input and output features, adhering to the highest standards of quality and performance.

About Our Company

Our company is a leading manufacturer specializing in the production of planetary gearboxes. We have a state-of-the-art factory where all our products are meticulously crafted to ensure the highest level of quality and performance.

Our Gearbox Factory

Our planetary gearbox, wheel drive gearbox, winch drive gearbox, and track drive gearbox are designed to be fully interchangeable with Trasmital Bonfiglioli models. The installation dimensions and performance parameters are very close to those of Trasmital Bonfiglioli, making them ideal replacements for these Italian products.

Related Planetary Gearbox

We also offer products that can replace other renowned brands like Brevini Riduttori, BOSCH REXROTH, COMER INDUSTRIES, REGGIANA RIDUTTORI, ROSSI, ZOLLERN, and more.

Take Action Now!

Discover the excellence of our 311L Series Planetary Gearbox and elevate your machinery and equipment’s performance to new heights. Explore our wide range of products and make a purchase today. Experience the difference of using high-quality, reliable, and efficient gearboxes!

FAQs

    1. What are some common applications of the 311L series gearbox?

It is commonly used in material-handling equipment, mining and mineral processing, construction equipment, agricultural and forestry equipment, renewable energy equipment, and marine and offshore equipment.

    1. What is the torque range of the 311L series gearbox?

The torque range is 1,000 … 1,100,000 Nm (8,850 … 9,735,820 in-lb).

    1. What are the gear ratios of the 311L series gearbox?

The gear ratios are 3.4 … 5,000.

    1. What brands can the 311L series gearbox replace?

It can replace Trasmital Bonfiglioli and other renowned brands like Brevini Riduttori, BOSCH REXROTH, COMER INDUSTRIES, REGGIANA RIDUTTORI, ROSSI, ZOLLERN, and more.

    1. Where is the 311L series gearbox manufactured?

It is manufactured in our state-of-the-art factory, a leading manufacturer specializing in the production of planetary gearboxes.

Bonfiglioli 310R Series Planetary Gearbox Reducer Replacement 310R2 310R3 310R4

A High-Performance Planetary Gearbox

The 310R series planetary gearbox from Bonfiglioli stands out for its high-performance and efficiency-focused design. This product is a cut above the rest with its optimized internal structure and advanced gear design. It is engineered to minimize energy consumption and enhance transmission efficiency.

  • Efficient Design: The 310R series gearbox is designed with efficiency as its core principle. Its internal structure is optimized, and the gear design is advanced, reducing energy consumption and enhancing transmission efficiency.
  • Low Friction: The gearbox has a robust lubrication system that reduces friction and wear, thereby further improving efficiency.
  • Versatile Transmission Ratios: The 310R series gearbox offers a broad spectrum of transmission ratios. These can be customized to suit specific applications, optimizing performance and efficiency.
  • Compact Design: The gearbox is compact, reducing size and weight. This design aspect helps reduce energy consumption and improve efficiency.

The 310R series gearbox is a perfect choice for a wide range of industrial applications due to its high efficiency and reliable performance. Although there may be other planetary gearboxes with similar efficiency characteristics, the 310R series has a unique emphasis on efficiency and reliability that sets it apart.

Interchangeability with Other Models

Our 310R series planetary gearbox can be interchanged with other models from Trasmital Bonfiglioli. We strictly adhere to the design, installation, and dimensions as specified by Italian and American manufacturers. This makes our products perfect substitutes for Brevini ED, ET, EQ, EM, EC, and EL series as well as the Dinamicoil RE, RA series.

The Strength of Our Company

We are a professional manufacturer of planetary gearboxes. Our products, such as the Planetary Gearbox, Wheel Drive Gearbox, Winch Drive Gearbox, and Track Drive Gearbox, are designed to meet the highest industry standards. They are completely interchangeable with Trasmital Bonfiglioli products in terms of installation dimensions and offer performance parameters that are very close to those of Trasmital Bonfiglioli.

Our Factory

Furthermore, we can also produce products that can replace other brands such as Brevini Riduttori, BOSCH REXROTH, COMER INDUSTRIES, REGGIANA RIDUTTORI, ROSSI, and ZOLLERN.

Related Planetary Gearboxes

We encourage our customers to explore our products and consider them for their applications. Our commitment to quality and performance ensures that our products will exceed your expectations.

Q&A

  1. Q: What makes the 310R series gearbox unique?
    A: The 310R series gearbox is unique in its emphasis on efficiency and reliability. It features low friction, a wide range of transmission ratios, and a compact design for reduced energy consumption and improved efficiency.
  2. Q: Can the 310R series gearbox be interchanged with other models?
    A: Yes, our 310R series planetary gearbox can be interchanged with other models from Trasmital Bonfiglioli.
  3. Q: What other products do you manufacture?
    A: In addition to the 310R series gearbox, we also manufacture the Planetary Gearbox, Wheel Drive Gearbox, Winch Drive Gearbox, and Track Drive Gearbox.
  4. Q: Can your products replace those from other brands?
    A: Yes, we can produce products that can replace other brands such as Brevini Riduttori, BOSCH REXROTH, COMER INDUSTRIES, REGGIANA RIDUTTORI, ROSSI, and ZOLLERN.
  5. Q: How can I purchase your products?
    A: We encourage our customers to explore our products and consider them for their applications. You can contact us directly for purchasing inquiries.

Bonfiglioli 310L Series Planetary Gearbox Reducer Replacement 310L1 310L2 310L3 310L4

An Introduction to the 310L Series Planetary Gearbox

The 310L series is a planetary gearbox that is widely utilized in a variety of industrial applications. From construction and industrial machinery to metallurgical equipment, the gearbox offers reliable power transmission and torque amplification. It’s commonly found in conveyors, concrete mixers, cranes, and cold rolling mills. The image below illustrates the 310L Series Planetary Gearbox.

Key Features of the 310L Series Planetary Gearbox

Constructed with high transmission accuracy and smooth operation, the 310L series planetary gearbox offers multiple advantages over traditional gearboxes. Here are some of the key features that set it apart:

  • High precision: The gearbox uses the principle of planetary transmission, ensuring high transmission accuracy and smooth operation.
  • High torque transmission: The planetary gear transmission method amplifies torque and can output large torque, which is essential in heavy machinery.
  • High reliability: The gearbox is made from high-quality materials and follows strict manufacturing processes. As a result, it has a compact structure, stable and reliable operation, and a long service life.
  • Multiple installation methods: The 310L series gearbox can support multiple installation methods, which makes it easy to apply to different mechanical equipment.
  • Reliable lubrication system: Equipped with a reliable lubrication system, the 310L series gearbox ensures lubrication and cooling inside the gearbox, reducing friction and wear.
  • Efficient and energy-saving: The efficient gear design and optimized internal structure of the gearbox can effectively reduce energy consumption and improve transmission efficiency.
  • Wide range of transmission ratios: The 310L series gearbox provides multiple transmission ratio options to meet the needs of different application scenarios.
  • Reliable sealing design: The gearbox employs a reliable sealing design that prevents external impurities from entering the interior of the gearbox, thereby ensuring its service life.

Technical Specifications of the 310L Series Planetary Gearbox

The 310L series planetary gearbox is designed to cater to a wide range of industrial applications. The following table lists the technical specifications of the 310L series planetary gearbox:

Torque range 1,000 … 450.000 Nm
Gear ratios 6.9 … 9,000
Transmissible Mechanical Power up to 150 kW
Brake options Hydraulic brake

Hydraulically released parking brake on request

Electric brake

DC and AC type

Output Foot and flange mounted

Output shaft: solid with key, splined, splined hollow, hollow with shrink disc

Input Flanged axial piston hydraulic motors

Hydraulic orbit motors

IEC and Nema motor adapters

Solid input shaft

Applicable motors Piston hydraulic motors

Hydraulic orbit motors

Electric motors IEC

Interchangeability of Our Planetary Gearboxes with Major Brands

Our 310L series planetary gearbox is designed to be fully interchangeable with the 300L series and 300R series of Trasmital Bonfiglioli. This means that our gearboxes can serve as perfect substitutes for those Italian products. They are ideal for use in all the same applications and offer similar performance and connection sizes.

Our Factory

Why Choose Our Planetary Gearboxes?

Our company, Xinlan, specializes in the manufacture of planetary gearboxes. We have a wealth of experience and technical expertise, allowing us to produce high-quality gearboxes that offer excellent performance and durability. Our gearboxes are fully interchangeable with those of other major brands, including Brevini riduttori, BOSCH REXROTH, COMER INDUSTRIES, REGGIANA RIDUTTORI, ROSSI, and ZOLLERN.

Related Planetary Gearbox

Take Action Now

We encourage you to explore our 310L series planetary gearbox and see for yourself how it can enhance the performance of your machinery. If you’re looking for a reliable and efficient gearbox that offers excellent value, don’t hesitate to make a purchase. Our team is always ready to assist you and provide the best solutions for your needs.

Common Questions about the 310L Series Planetary Gearbox

  1. Q: What is the torque range of the 310L series planetary gearbox?
    A: The torque range of the 310L series planetary gearbox is from 1,000 to 450,000 Nm.
  2. Q: What are the possible brake options for the 310L series planetary gearbox?
    A: The brake options include hydraulic brake, hydraulically released parking brake on request, and electric brake of both DC and AC type.
  3. Q: What are the possible installation methods for the 310L series planetary gearbox?
    A: The 310L series gearbox can support multiple installation methods, such as flange type, flange bearing type, and output shaft type.
  4. Q: Can the 310L series planetary gearbox be used as a replacement for other brands?
    A: Yes, our 310L series planetary gearbox is fully interchangeable with the 300L series and 300R series of Trasmital Bonfiglioli, making it an excellent substitute for those Italian products.
  5. Q: Where can I purchase the 310L series planetary gearbox?
    A: You can purchase our 310L series planetary gearbox directly from our company, Xinlan. We guarantee high-quality products backed by excellent customer service.

Bonfiglioli 309R Series Planetary Gearbox Reducer Replacement 309R2 309R3 309R4

The 309R series planetary gearbox is a remarkable piece of mechanical engineering, boasting high precision, high torque transmission, and impressive reliability. Not only is it designed to last a long time, but it also adopts the principle of planetary gear transmission for maximum efficiency. This arrangement involves multiple planetary gears, sun gears, and internal gear rings, all working together to amplify power transmission and torque.

Key Features of the 309R Series Gearbox

The 309R Series Planetary Gearbox offers a number of noteworthy features:

  • High precision: Thanks to its planetary transmission design, it offers high transmission accuracy and smooth operation.
  • High torque transmission: The gearbox can output large torque, courtesy of its planetary gear transmission method.
  • High reliability: The use of high-quality materials and manufacturing processes ensures a compact structure, stable and reliable operation, and a long service life.
  • Multiple installation methods: The gearbox supports multiple installation methods, such as flange type, flange bearing type, and output shaft type. This makes it adaptable to different mechanical equipment.

The 309R series gearbox is versatile and finds application in agricultural machinery, industrial machinery, construction machinery, and more. It’s commonly used in equipment such as conveyors, concrete mixers, and cranes to achieve power transmission and torque amplification.

Bonfiglioli 309R Series Planetary Gearbox Reducer Replacement 309R2 309R3 309R4

Specifications of the 309R Series Gearbox

The 309R Series Gearbox offers an expansive torque range of 1,000 to 450,000 Nm and gear ratios from 6.9 to 9,000. It can transmit mechanical power up to 150 kW. Multiple brake options are available, including hydraulic brake, hydraulically released parking brake on request, electric brake, DC and AC type. Outputs can be foot and flange mounted, and the output shaft options include solid with key, splined, splined hollow, and hollow with shrink disc. Input options include flanged axial piston hydraulic motors, hydraulic orbit motors, IEC and Nema motor adapters, and solid input shaft. The gearbox is compatible with piston hydraulic motors, hydraulic orbit motors, and electric motors IEC.

Related Planetary Gearboxes

To learn about related products, you can click on the images below:

Planetary Feed Mixer Gearbox Tracked Vehicle Winch Drive Wheeled Vehicle Drive
Planetary Feed Mixer Gearbox Tracked Vehicle Winch Drive Wheeled Vehicle Drive

Replaceable Planetary Gearbox Models

The 300L series gearbox and 300R series planetary gearboxes are interchangeable with several models of Trasmital Bonfiglioli. The installation and dimensions of these gearboxes are strictly designed in accordance with Italian and American manufacturers, making them ideal substitutes for Brevini ED, ET, EQ, EM, EC, and EL Bonfiglioli 300 series, and Dinamicoil RE, RA series in terms of performance and connection size.

About Our Company

We are a professional factory specializing in the manufacturing of planetary gearboxes. Our products are designed to be interchangeable with other brands like Brevini riduttori, BOSCH REXROTH, COMER INDUSTRIES, REGGIANA RIDUTTORI, ROSSI, ZOLLERN, and more. Our top-notch products, coupled with our unmatched customer service, have made us a preferred choice among customers. We invite you to explore our products and see for yourself how they can meet your needs.

Gearbox Factory

Related Planetary Gearbox

Get in Touch

We encourage you to explore our products and see how they can meet your needs. If you have any questions or need further information, please don’t hesitate to contact us. Our team of experts is always ready to assist you.

Q&A

  1. What are the advantages of the 309R series gearbox?
  2. What are the different installation methods supported by the 309R series gearbox?
  3. What are the specifications of the 309R series gearbox?
  4. What are the different planetary gearboxes related to the 309R series gearbox?
  5. Are the 300L series gearbox and 300R series planetary gearboxes interchangeable with other models?