The PTO Shaft Yoke, specifically the Quick Release Yoke 4.0513B, is a vital component utilized across various industries. Constructed from high-quality 1045C forged steel, this yoke ensures exceptional durability and longevity. Designed with an attached collar, it is specifically tailored for use with PTO shafts. Weighing in at 3 kg, this product also comes with a one-year warranty for added peace of mind.
Key Features of Agricultural PTO Shaft Yokes
Agricultural Power Take-Off (PTO) shaft yokes play a crucial role in the machinery used for diverse farming operations. Understanding the features of these yokes is essential for effective usage and maintenance. Here are some of the key attributes:
- Types of Yokes:
- Tractor Yoke: This type connects the PTO shaft to the tractor and is designed to match the spline configuration of the tractor's PTO output.
- Implement Yoke: This yoke attaches the PTO shaft to agricultural implements, with designs often tailored to fit the specific input shaft of the implement.
- Spline Count and Size:
- PTO yokes feature internal splines that must align with the count and size of the shaft splines they connect to. Common configurations include 6, 21, or 1000 spline options, corresponding to various PTO standards. Many yokes are equipped with locking mechanisms, such as push-pins or ball-lock systems, to ensure a secure attachment to the PTO shaft.
- Material and Construction:
- Typically made from robust materials like forged steel, PTO shaft yokes are designed to withstand the stress and torque associated with agricultural work. They may also undergo coating or treatment processes to enhance resistance to corrosion and wear.
- Safety Features:
- Many yokes come with or can be fitted with safety shields to reduce the risk of accidents, as the rotating shaft can pose significant hazards during operation.
- Quick Release Options:
- Some yokes feature a quick-release mechanism, enabling easy and rapid attachment or detachment from the tractor or implement. This functionality enhances efficiency during operations.
- Customization and Compatibility:
- A wide variety of sizes and types of yokes are available to accommodate different tractors and implements, ensuring compatibility across a broad range of machinery.
At FMP, we specialize in manufacturing these essential components, providing the perfect replacement for damaged PTO shaft machinery parts. Our commitment to quality ensures that you receive reliable products that enhance the performance and safety of your equipment.

Applications of Agricultural Power Take-Off (PTO) Shaft Yokes
Agricultural Power Take-Off (PTO) shaft yokes are versatile components that play a crucial role in various farming operations. They are essential for connecting the PTO shaft to both the tractor's power source and the implement's input shaft, facilitating the transfer of power and torque. Here are some common applications of agricultural PTO shaft yokes:
- Rotary Mowers:
- PTO shaft yokes are integral to rotary mowers, including brush cutters, finish mowers, and flail mowers. These implements depend on a reliable connection between the PTO shaft and the mower's gearbox or driveline, allowing effective power transfer for cutting vegetation.
- Hay Equipment:
- In the realm of hay production, PTO shaft yokes are widely utilized in equipment such as balers, hay rakes, hay tedders, and hay mergers. These implements rely on the PTO shaft to power various operations, including baling, raking, tedding, and merging hay. The yokes ensure a secure and efficient connection between the tractor and the hay machinery.
- Tillage Equipment:
- PTO shaft yokes are commonly found in tillage equipment, including plows, disc harrows, cultivators, and seeders. These implements require a robust PTO connection to effectively transfer power for ground engagement and soil preparation. PTO shaft yokes are vital for ensuring efficient power transmission and durability in challenging tillage applications.
- Spreaders:
- Fertilizer spreaders, manure spreaders, and lime spreaders often utilize PTO shaft yokes to connect the PTO shaft to the spreader’s agitator or spinner mechanism. The yokes facilitate the transfer of power needed to spread materials evenly across the field, enhancing nutrient distribution and boosting crop productivity.
- Grain Handling Equipment:
- PTO shaft yokes are essential in grain handling equipment, including grain augers, grain bins, and grain conveyors. These implements require a dependable connection between the PTO shaft and the equipment's auger or conveyor system, enabling efficient grain transfer, loading, and unloading operations.
- Sprayers:
- In agricultural sprayers, such as boom sprayers and tractor-mounted sprayers, PTO shaft yokes are crucial. These implements rely on the PTO shaft to power the sprayer pump, allowing for precise and uniform application of pesticides, herbicides, and fertilizers. The yokes ensure a secure connection between the tractor and the sprayer pump, contributing to effective spraying operations.
In summary, PTO shaft yokes are fundamental components that enhance the functionality of a wide range of agricultural equipment, ensuring efficient power transfer and reliable operation across various farming tasks.

How to Replace the Yoke on a PTO Shaft
Replacing a PTO (Power Take-Off) shaft yoke is an important maintenance task for agricultural machinery. The yoke serves as the crucial link that connects the PTO shaft from a tractor to various implements, such as mowers, balers, and other equipment. If the yoke is worn or damaged, it can hinder performance and lead to machinery breakdown. Here are the detailed steps for replacing a PTO shaft yoke:
1. Remove the Old Yoke
- Secure the PTO Shaft: Begin by securing the PTO shaft in a vise or with appropriate supports to prevent movement during the replacement process.
- Identify the Fastener: Locate the fastener that secures the yoke to the shaft. This could be a pin, bolt, or snap ring, depending on the design of your PTO system. In some cases, a shear pin or roll pin may be used.
- Remove the Fastener: Carefully remove the fastener using the appropriate tools. For pins, you may need to tap them out gently with a hammer and punch. If a snap ring is present, use snap ring pliers to remove it.
2. Slide Off the Old Yoke
- Remove the Yoke: With the fastener removed, slide the old yoke off the shaft. If it is stuck or seized, you can apply penetrating oil to help loosen it. Gently tap around the yoke with a hammer to encourage it to slide off.
3. Prepare the New Yoke
- Inspect the New Yoke: Before installation, carefully check the new yoke for any lubrication points. Applying grease to these points will help ensure smooth operation once installed.
4. Install the New Yoke
- Position the New Yoke: Slide the new yoke onto the shaft, ensuring it is properly aligned. It’s crucial that the yoke is seated correctly to avoid operational issues.
- Secure the Yoke: Once the yoke is in position, reinsert the fastener (pin, bolt, or snap ring) to secure the yoke onto the shaft. Make sure the fastener is properly seated and securely fastened to prevent any movement during operation.
5. Lubricate the Yoke
- Apply Grease: Use a grease gun to apply grease to any grease fittings on the yoke and the universal joint. Proper lubrication is essential for the smooth operation of the PTO shaft and helps prevent wear over time.
6. Reconnect the PTO Shaft
- Reattach the PTO Shaft: Finally, reconnect the PTO shaft to both the tractor and the implement. Ensure that all connections are secure and properly aligned, as misalignment can lead to operational issues or damage.
By following these steps, you can effectively replace the yoke on your PTO shaft, ensuring that your agricultural machinery operates efficiently and reliably. Regular maintenance, including timely yoke replacement, is key to prolonging the life of your equipment and enhancing its performance.

How to Remove a Yoke from a PTO Shaft
Removing a yoke from a PTO (Power Take-Off) shaft is a task that requires careful attention and safety precautions. The yoke is the component that connects the PTO shaft to the tractor or implement. Follow these steps to safely and effectively remove the yoke from the PTO shaft:
1. Secure the PTO Shaft
- Stabilize the Shaft: If possible, secure the PTO shaft in a vise or with appropriate supports to keep it steady while you work. This will help you maintain control and prevent any accidental movement during the removal process.
2. Identify the Fastening Mechanism
- Examine the Yoke: Take a close look at the yoke to determine how it is attached to the shaft. Common fastening mechanisms include shear pins, roll pins, bolts, or snap rings. Identifying the correct type will guide you in the next steps.
3. Remove the Fastener
- For Pins: If the yoke is secured with a shear or roll pin, use a punch and hammer to gently tap it out. Be cautious to avoid damaging the shaft.
- For Bolts: If a bolt secures the yoke, use the appropriate wrench or socket to unscrew it. Ensure that you have the right size to prevent stripping the bolt head.
- For Snap Rings: If the yoke is held in place by a snap ring, use snap ring pliers or a flathead screwdriver to carefully remove it. Take care not to let the snap ring spring away, as it can be difficult to find.
4. Slide Off the Yoke
- Remove the Yoke: Once the fastener is removed, slide the yoke off the end of the PTO shaft. If the yoke is stuck, it may be due to rust or debris. Apply penetrating oil to the area and let it soak in for a few minutes to help loosen it. Gently tap around the yoke with a hammer to encourage it to come free.
5. Inspect and Clean
- Check for Wear or Damage: After removing the yoke, inspect both the shaft and the yoke for any signs of wear or damage. Look for rust, deformation, or other issues that could affect performance.
- Clean the Components: Clean off any rust, dirt, or debris from the shaft and yoke to prepare them for reassembly or replacement. This will help ensure a proper fit when installing a new yoke.
By following these steps, you can effectively remove a yoke from a PTO shaft while ensuring safety and preventing damage to your equipment. Regular maintenance, including checking and replacing worn components, is essential for the longevity and efficiency of your agricultural machinery.

Maintenance and Care of Agricultural Power Take-Off (PTO) Shaft Yokes
Proper maintenance and care of agricultural Power Take-Off (PTO) shaft yokes are essential for ensuring their longevity, reliability, and safe operation. Here are some important maintenance tips to keep your PTO shaft yokes in optimal condition:
1. Regular Inspection
- Visual Checks: Conduct routine visual inspections of the PTO shaft yokes. Look for signs of wear, damage, or misalignment. Check for cracks, bent components, or excessive play in the yoke. Additionally, inspect the splines, keyways, and locking mechanisms for any signs of deterioration.
2. Lubrication
- Keep It Lubricated: Proper lubrication is vital for the smooth operation of PTO shaft yokes. Adhere to the manufacturer's recommendations regarding lubrication intervals and use the specified lubricant for the yoke. Apply lubricant to moving parts, including the splines, universal joint (U-joint), and locking devices. This practice reduces friction, prevents corrosion, and extends the lifespan of the yoke.
3. Cleanliness
- Maintain Cleanliness: Keep the PTO shaft yokes clean and free of dirt, debris, and agricultural residues. Regularly remove any buildup that could interfere with the yoke's operation or cause damage. Use a brush or compressed air to thoroughly clean the yoke and its components.
4. Proper Storage
- Store Correctly: When not in use, store the PTO shaft yokes in a clean, dry environment. Protect them from moisture, excessive heat, and corrosive substances. If necessary, apply a thin coat of rust-inhibiting oil or grease to the yoke to help prevent corrosion during storage.
5. Correct Usage
- Adhere to Specifications: Ensure that the PTO shaft yokes are used within their specified operating parameters. Avoid exceeding the recommended torque or load capacity. Use the yoke only with compatible PTO shafts and implements, as improper usage can lead to premature wear, damage, or failure.
6. Replace Worn or Damaged Yokes
- Prompt Replacement: If you notice significant wear, damage, or signs of failure in a PTO shaft yoke, it is crucial to replace it immediately. Continuing to use a damaged or worn yoke can create unsafe conditions and may cause further damage to your equipment.
7. Proper Alignment
- Ensure Correct Alignment: When installing PTO shaft yokes, make sure they are properly aligned. Misalignment can lead to excessive stress, vibration, or binding, which may result in premature wear or failure of the yoke and other components. Follow the manufacturer's instructions for aligning the yoke with the PTO shaft and the implement's input shaft.
By following these maintenance practices, you can enhance the performance and safety of your agricultural equipment, ensuring that your PTO shaft yokes operate efficiently and reliably over time. Regular attention to these components will help prevent costly repairs and downtime in your farming operations.
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Why Choose FMP's Agricultural PTO Shaft Yokes?
FMP is strategically positioned just two hours from Pudong Airport and one hour from Xiaoshan Airport, near the East Hangzhou Station. Our facility spans over 12,000 square meters and employs a dedicated team of more than 100 professionals. We specialize in the development, manufacturing, and marketing of a wide range of products, including PTO shafts, agricultural gearboxes, PTO shaft accessories, torque limiters, tubes, yokes, adaptors, universal joints, industrial cardan shafts, car driveshafts, and u-joint coupling shafts.
With an annual turnover of 60 million RMB (approximately 9 million USD), our growth continues to accelerate each year. Our products have earned a strong reputation among customers in Europe, America, Asia, Australia, and North America. We proudly serve as a leading OEM supplier for numerous agricultural implement manufacturers in the domestic market.
At FMP, we adhere to our QDP principles: Quality First, Deliver Quickly, and Competitive Pricing. We hold several prestigious certifications, including CE, TS/16949, and ISO9001, supported by systematic manufacturing equipment and a dedicated quality control team to ensure our products meet the highest standards.
We warmly invite partners and friends to visit our facilities and explore opportunities for mutually beneficial, long-term cooperation. Currently, our company exports products to valued customers in over 50 countries across five continents. With a commitment to excellence and a diverse product range, FMP is focused on becoming a global leader in the industries we serve.

Author: CX





