Description
We are excited to present the Torque Limiter Clutch PTO Shaft Overrun Clutch Friction Torque Limiter—a high-quality tractor component designed for a wide range of applications. Weighing 5 kg, this versatile part is perfect for use in manufacturing plants, machinery repair shops, farms, retail outlets, construction sites, food and beverage establishments, and more.
In addition to its adaptability, this product is backed by a one-year warranty and includes a detailed machinery test report along with a video inspection for quality assurance. Experience reliability and performance with our Torque Limiter Clutch, tailored to meet your needs.
PTO Shaft Overrun Clutch Specifications
Model Number | OEM Steel overrunning clutch 1 3/8”Z6 spline for pto shaft parts |
Function | Drive Shaft Parts & Power Transmission |
Use | Kinds of Tractors & Farm Implements |
Brand Name | FMP |
Yoke Type | Double push pin,Bolt pins,Split pins,Push pin,Quick release,Ball attachment,Collar….. |
Processing Of Yoke | Forging |
Plastic Cover | YW;BW;YS;BS;Etc |
Color | Green;Orange;Yellow;Black Ect. |
Series | T1-T10; L1-L6;S6-S10;10HP-150HP with SA,RA,SB,SFF,WA,CV Etc |
Tube Type | Lemon,Trianglar,Star,Square,Hexangular,Spline,Special Ect |
Processing Of Tube | Cold drawn |
Spline Type | 1 1/8″ Z6;1 3/8″ Z6; 1 3/8″ Z21 ;1 3/4″ Z20; 1 3/4″ Z6; 8-38*32*6 8-42*36*7; 8-48*42*8; |
Place of Origin | Haining, China (Mainland) |
Advantages of the PTO Shaft Overrun Clutch
The RA overrunning clutch is a specialized mechanical device commonly used with tractor PTO shafts. It offers several benefits, especially in applications where an implement needs to maintain momentum independently of the tractor’s drive. Here are some key advantages of using an RA overrunning clutch for a tractor PTO shaft:
1. Prevents Driveline Damage
The RA overrunning clutch disengages the PTO shaft when the implement’s rotational speed exceeds that of the tractor’s PTO. This feature effectively prevents potential driveline damage that could occur if the implement continues to drive the PTO shaft after the tractor has slowed down or stopped.
2. Enhances Safety
By allowing the implement to overrun freely, the clutch significantly improves operational safety. It prevents the tractor from being pushed forward by the momentum of the implement, which is particularly critical when the tractor is decelerating or stationary.
3. Ensures Smooth Operation
The overrunning clutch contributes to smoother operation for both the tractor and the implement. It reduces shock loads on the PTO shaft and transmission, resulting in less wear and tear on these vital components.
4. Increases Efficiency
The RA overrunning clutch promotes more efficient power transmission. The tractor’s power is utilized solely for driving the implement, rather than having to overcome the inertia of the implement’s moving parts, leading to improved overall performance.
5. Offers Versatility
This type of clutch is compatible with a wide array of agricultural implements, particularly those capable of maintaining or generating momentum, such as mowers, balers, and rotary cutters. This versatility makes it an invaluable component for various farming operations.
Applications of the Torque Limiter Clutch PTO Shaft Overrun Clutch
The PTO overrunning clutch is utilized in various agricultural and mechanical applications, particularly in situations where an implement needs to maintain or generate its own momentum. Here are some key applications:
1. Mowing and Cutting Equipment
In mowers and cutting machines, the PTO overrunning clutch enables the cutting blades to continue spinning freely when the tractor slows down or stops. This functionality is essential for maintaining consistent cutting performance and preventing damage to the turf.
2. Hay Balers
In hay balers, the overrunning clutch allows for the continuous operation of the baling mechanism, even when the tractor’s PTO is disengaged. This smooth operation is vital for efficient baling, especially during turns or speed adjustments.
3. Rotary Tillers
When paired with rotary tillers, the overrunning clutch permits the tines to rotate independently at their own speed. This capability enhances soil cultivation efficiency and reduces strain on the tractor’s transmission.
4. Harvesting Equipment
Harvesters, including grain and forage harvesters, benefit from the PTO overrunning clutch by enabling continuous operation of the harvesting mechanism. This ensures consistent and efficient crop collection, maximizing productivity during harvest time.
5. Seeders and Planters
For seeders and planters, the overrunning clutch allows the seeding mechanism to operate independently. This guarantees uniform seed distribution, even if the tractor’s motion is interrupted, leading to better planting outcomes.
Overall, the PTO overrunning clutch is a critical component that enhances the efficiency and effectiveness of various agricultural implements.
Agricultural PTO Shaft Torque Limiter Types
In agricultural machinery, PTO shaft torque limiters play a vital role in protecting equipment from damage caused by torque overload. Various types of PTO shaft torque limiters are designed to meet different operational needs and specifications. Here’s an overview of the common types:
1. Shear Bolt Torque Limiter
This type uses a shear bolt that breaks when excessive torque is applied, effectively disconnecting the drive between the tractor and the implement. Shear bolt torque limiters are common in various implements and are ideal for conditions where overload situations are clear and easily identifiable.
2. Friction Clutch Torque Limiter
Friction clutch limiters slip when torque exceeds a predetermined threshold, allowing them to absorb excess force without causing damage. They are used in applications where gradual overload conditions may occur, making them preferable in situations where frequent replacement of shear bolts would be impractical.
3. Ratchet Torque Limiter
The ratchet torque limiter features a mechanism that allows rotation in one direction while locking or slipping in the opposite direction during overload conditions. This design is particularly suitable for implements like augers, where a unidirectional operation is essential.
4. Overrunning Clutch Torque Limiter
The overrunning clutch torque limiter permits free rotation in one direction, while engaging the clutch in the opposite direction. This type can also incorporate a torque-limiting feature that disconnects under overload, making it commonly used in mowers and rotary cutters. It allows the implement to overrun safely when the tractor slows down.
Each of these torque limiters serves a specific function and is crucial for the safe and efficient operation of agricultural machinery.
How Does the Overrunning Clutch for Tractor PTO Shaft Work?
The overrunning clutch for a tractor’s PTO (Power Take-Off) shaft is a mechanical device designed to enable the shaft to rotate freely in one direction while locking in the opposite direction. This functionality is crucial in applications where an implement needs to maintain momentum independently of the tractor’s PTO speed. Here’s how it operates:
1. Free Rotation in One Direction
The overrunning clutch allows the PTO shaft to rotate freely in one direction. If the implement attached to the PTO shaft—such as a mower or baler—moves faster than the PTO shaft itself, the clutch will disengage, enabling the implement to spin without resistance.
2. Locking in the Opposite Direction
In the opposite direction, the clutch engages, locking the PTO shaft and the implement together. This ensures that power from the tractor’s engine is effectively transmitted to the implement when needed.
3. Ramp and Roller Mechanism
The overrunning clutch typically employs a ramp and roller design. When the PTO shaft attempts to drive the implement at a lower speed than its current speed, the rollers travel up the ramps and disengage, allowing the implement to overrun.
4. Engagement During Normal Operation
During normal operation, when the tractor’s PTO shaft drives the implement at a higher speed, the rollers are pressed against the ramps. This creates a secure lock that transmits power from the tractor to the implement, ensuring efficient operation.
5. Automatic Disengagement
The disengagement process occurs automatically. When the tractor slows down, stops, or if the implement’s inertia causes it to rotate faster than the PTO shaft, the clutch disengages. This allows the implement to continue its motion without driving the PTO shaft, preventing potential damage and ensuring smooth operation.
In summary, the overrunning clutch is a vital component that enhances the performance and safety of agricultural implements connected to a tractor’s PTO system.
How to Install the Overrunning Clutch to PTO Shaft
Installing an overrunning clutch on a tractor’s PTO (Power Take-Off) shaft is a straightforward process, but it requires careful attention to detail and adherence to safety protocols. Follow this step-by-step guide for successful installation:
1. Clean the PTO Shaft
Begin by thoroughly cleaning the PTO shaft. Remove any dirt, debris, or grease to ensure a clean connection point for the overrunning clutch.
2. Align the Clutch
Slide the overrunning clutch onto the PTO shaft, ensuring it aligns correctly. The splines of the shaft and clutch should match and fit snugly together.
3. Secure the Clutch
Once the clutch is properly aligned, secure it onto the shaft. Depending on the clutch design, this may involve tightening a set screw or bolt. Ensure that it is firmly attached and that there is no play.
4. Lubrication
Apply a suitable grease to the PTO shaft and the internal components of the clutch, following the manufacturer’s recommendations. Proper lubrication is essential for smooth operation and helps prolong the life of both the shaft and the clutch.
5. Attach the Implement
After securing the clutch, attach the implement to the other end of the overrunning clutch. Ensure that the connection is secure and that the implement is properly aligned with the tractor.
6. Safety Check
Conduct a thorough visual inspection to confirm that everything is secured correctly. Look for any loose parts or misalignments that could affect operation.
7. Test Run
Start the tractor and engage the PTO at a low speed initially to ensure the clutch functions correctly. Listen for any unusual noises and observe the operation of the implement. The clutch should allow the implement to spin freely when the PTO is disengaged and should lock when the PTO is engaged.
By following these steps, you can successfully install an overrunning clutch on a PTO shaft, enhancing the performance and safety of your agricultural equipment.
Maintenance of the Overrunning Clutch on a Tractor PTO Shaft
An overrunning clutch is commonly installed on the PTO (Power Take-Off) shaft to enable the implement to rotate freely when the tractor’s PTO is disengaged or operating at a slower speed. To ensure its proper functioning and longevity, regular maintenance is essential. Here are some maintenance tips for the overrunning clutch on a tractor PTO shaft:
1. Clean and Inspect Regularly
Regularly remove any dirt, debris, or buildup from the clutch assembly. Inspect all components for signs of wear, damage, or excessive deterioration to identify potential issues early.
2. Lubrication
Apply a suitable lubricant to the clutch components as specified by the manufacturer. Proper lubrication is crucial for reducing friction and ensuring smooth operation.
3. Regular Testing
Periodically test the overrunning clutch to confirm its proper operation. Engage and disengage the PTO shaft while observing the clutch’s behavior. Pay attention to any abnormal noises, slipping, or hesitation during operation.
4. Replace Worn or Damaged Parts
If you detect significant wear or damage during inspections or tests, promptly replace the affected parts. Continuing to use worn-out components can lead to further damage and potential failure of the clutch system.
By following these maintenance practices, you can help ensure the reliability and efficiency of your overrunning clutch on the tractor’s PTO shaft.
Why Choose FMP’s Overrunning Clutch for PTO Shaft?
FMP Drive Shaft Co., Ltd., located in Hangzhou, Zhejiang City, is strategically positioned just two hours from Pudong Airport and one hour from Xiaoshan Airport, with convenient access to Hangzhou Station. Our facility spans over 12,000 m² and employs a dedicated team of more than 100 professionals.
We specialize in the development, manufacturing, and marketing of PTO shafts, agricultural gearboxes, PTO shaft accessories, u-joints, torque limiters, tubes, yokes, adaptors, industrial cardan shafts, and car driveshafts. With an annual turnover of 60 million RMB (approximately 9 million dollars), our growth continues year after year. Our products have earned an excellent reputation among customers in Europe, America, Asia, Australia, and North America.
As a leading OEM supplier for numerous agricultural implement manufacturers in the domestic market, FMP is committed to our core principles: Quality First, Fast Delivery, and Competitive Pricing. We hold several key certifications, including CE, TS/16949, and ISO9001, supported by systematic manufacturing equipment and a dedicated quality control team to ensure top-notch quality and timely delivery.
We warmly invite all interested parties to visit us and explore opportunities for mutually beneficial long-term partnerships. Currently, we export our products to valued customers in over 50 countries across five continents. With a best-in-class range of products, FMP is focused on becoming a global leader in our industry.
Choose FMP for your overrunning clutch needs and experience the benefits of our expertise, quality, and commitment to customer satisfaction.
Author: CX