China Standard Pto Shaft Splined Yoke with Interfering Bolt for Tractor Parts

Product Description

PTO Shaft Splined Yoke with Interfering Bolt for Tractor Parts

Product: Spline Yoke with Ball Attachment
Model: 5.05.02B
Size: ø27*74.6  Length 111mm
Raw Material: 45# Steel
Hardness: 58-64HRC
Delivery Date: 7-60 Days
MOQ: 100 sets or according to stocks without minimum Qty.
Sample: Acceptable
We could produce all kinds of PTO Drive Shaft and Parts according to customers’ requirement.

REF B mm C mm D mm E mm F mm
5.05.02B 30.2 80 108 21 21 1 3/8” Z6

About us


We have more than 17 years experience of Spare parts, especially on Drive Line Parts. 

We deeply participant in the Auto Spare parts business in HangZhou city which is the most import spare parts production area in China.


We are supply products with good cost performance for different customers of all over the world.

We keep very good relationship with local produces with the WIN-WIN-WIN policy. 

Factory supply good and fast products;

We supply good and fast service;

And Customers gain the good products and good service for their customers. 

This is a healthy and strong equilateral triangle keep HangZhou Speedway going forward until now.


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Type: Transmission
Usage: Tillage, Harvester, Planting and Fertilization
Material: 45# Steel
Power Source: Diesel
Weight: 8
After-sales Service: Online Support

pto shaft yoke

How do PTO shaft yokes handle variations in load and torque during operation?

PTO shaft yokes are designed to handle variations in load and torque during operation, providing a reliable and efficient power transmission between the power source and the implement. Here’s how they handle these variations:

1. Flexible Coupling: PTO shaft yokes serve as a flexible coupling between the power source and the implement. This flexibility allows them to accommodate variations in load and torque. As the implement encounters changes in resistance or load, the PTO shaft yoke flexes slightly, absorbing the shocks or fluctuations. This flexibility helps prevent excessive stress on the driveline components and ensures smoother operation.

2. Slip Clutches: Some PTO shaft yokes incorporate slip clutches as a safety feature to handle sudden increases in torque or overload conditions. Slip clutches allow controlled slippage between the yoke and the PTO shaft, protecting the driveline from damage. When the torque exceeds a certain threshold, the slip clutch disengages, allowing the yoke to slip momentarily, absorbing the excess torque. Once the torque decreases to a safe level, the slip clutch re-engages, restoring power transmission.

3. Torque Limiters: Torque limiters are another mechanism used in certain PTO shaft yokes to handle variations in torque. These devices are designed to limit the amount of torque that can be transmitted through the yoke. In high-torque situations, such as encountering a sudden resistance, the torque limiter disengages, preventing excessive torque from reaching the driveline and protecting the equipment from damage.

4. Shear Pins: Some PTO shaft yokes utilize shear pins as a sacrificial weak point in the power transmission system. Shear pins are designed to break under excessive load or torque, disconnecting the yoke from the PTO shaft. This helps protect the driveline and other components from damage. Shear pins can be easily replaced, restoring the yoke’s functionality.

5. Adjustments and Calibration: In certain cases, operators can make adjustments or calibrations to PTO shaft yokes to optimize their performance based on the specific load and torque requirements. This may involve adjusting the clutch engagement settings, changing gear ratios, or modifying the power source’s speed to achieve the desired power output.

By incorporating flexible coupling, slip clutches, torque limiters, shear pins, and offering adjustment options, PTO shaft yokes effectively handle variations in load and torque during operation. These features help protect the driveline, prevent equipment damage, and ensure efficient power transmission in a wide range of applications.

pto shaft yoke

What maintenance practices are essential for prolonging the lifespan of PTO shaft yokes?

Maintaining proper maintenance practices is crucial for prolonging the lifespan of PTO (Power Take-Off) shaft yokes. By following these essential maintenance practices, you can ensure the longevity and optimal performance of the yokes:

1. Regular Inspection:

Perform regular visual inspections of the PTO shaft yokes to check for signs of wear, damage, or misalignment. Look for any cracks, distortion, or excessive play in the joints. Inspect the splines and ensure they are clean and free from debris. Detecting and addressing any issues early can prevent further damage and prolong the lifespan of the yokes.

2. Lubrication:

Proper lubrication is vital for reducing friction and wear in the PTO shaft yokes. Follow the manufacturer’s recommendations for lubrication intervals and use the appropriate lubricant. Apply lubrication to the splines, bearings, and any other moving parts as specified. Regular lubrication helps maintain smooth operation and minimizes the risk of premature wear or failure.

3. Cleaning:

Keep the PTO shaft yokes clean and free from dirt, debris, and excessive buildup of grease. Use a suitable cleaning agent and a brush to remove any contaminants. Clean the splines thoroughly to ensure proper engagement and torque transmission. Regular cleaning prevents the accumulation of abrasive particles that can cause accelerated wear and damage to the yokes.

4. Shaft Alignment:

Ensure proper alignment between the power source and the driven equipment. Misalignment can increase stress on the PTO shaft yokes and lead to premature wear. Use alignment tools and techniques to align the shafts correctly, minimizing angular and axial misalignment. Proper alignment reduces the load on the yokes and helps maintain their integrity and longevity.

5. Torque Checks:

Periodically check the torque on the PTO shaft yokes’ fasteners, such as bolts or retaining nuts. Over time, these fasteners can loosen due to vibrations or dynamic loading. Use a torque wrench to ensure the fasteners are tightened to the manufacturer’s specifications. Proper torque helps maintain the integrity of the yokes and prevents unexpected failures.

6. Protective Shielding:

Inspect and maintain any protective shielding or guards that are installed to cover rotating components or exposed parts of the PTO shaft yokes. Ensure that the shielding is intact, securely mounted, and free from damage. Protective shielding prevents accidental contact with moving parts and enhances safety while also protecting the yokes from external elements.

7. Manufacturer Guidelines:

Follow the maintenance guidelines provided by the manufacturer of the PTO shaft yokes. Manufacturers often provide specific instructions, recommendations, and maintenance schedules tailored to their products. Adhering to these guidelines ensures that the yokes are maintained in the best possible condition, maximizing their lifespan.

By implementing these essential maintenance practices, you can prolong the lifespan of PTO shaft yokes, minimize downtime, and ensure reliable and efficient operation in various applications.

pto shaft yoke

Can you explain the functions and significance of a PTO shaft yoke?

A PTO (Power Take-Off) shaft yoke is a critical component in power transmission systems, particularly in vehicles and machinery equipped with PTO capabilities. It serves multiple functions and holds significant significance in ensuring efficient power transfer. Here’s a detailed explanation:

1. Power Transmission: The primary function of a PTO shaft yoke is to transfer power from the power source, such as an engine or power take-off unit, to the driven equipment. It acts as a mechanical link between the rotating output of the power source and the input shaft of the driven equipment. By securely connecting the PTO shaft to the driven equipment, the yoke enables the transmission of rotational energy and torque, allowing the equipment to perform its intended functions.

2. Alignment and Connection: PTO shaft yokes play a crucial role in aligning and connecting the PTO shaft and the driven equipment. The splined bore of the yoke is designed to securely engage with the splines on the PTO shaft, creating a strong and reliable connection. The mounting flange or connection point of the yoke is constructed to align precisely with the corresponding connection on the driven equipment, ensuring proper coupling and alignment. This alignment and connection are essential for efficient power transmission and prevent issues such as misalignment, excessive vibration, and premature wear.

3. Flexibility and Articulation: PTO shaft yokes often incorporate flexible or articulating features to accommodate movement and misalignment between the power source and the driven equipment. This flexibility allows the PTO shaft yoke to compensate for slight angular or positional variations that may occur during operation. It helps maintain a continuous and smooth power transfer even when the equipment is subjected to dynamic or uneven operating conditions. By allowing some degree of flexibility and articulation, the yoke helps reduce stress on the PTO shaft and the driven equipment, contributing to their longevity and performance.

4. Serviceability and Maintenance: PTO shaft yokes require regular inspection and maintenance to ensure their proper functioning and longevity. Lubrication of the splined bore and periodic tightening of connection bolts are important maintenance tasks to prevent excessive wear and maintain a secure connection. Additionally, proper guarding and safety measures should be in place to protect operators and bystanders from rotating or exposed PTO shafts. Proper maintenance of PTO shaft yokes ensures their reliability, safety, and optimal performance.

5. Overall Significance: PTO shaft yokes hold significant significance in the efficient operation of PTO-driven machinery and vehicles. They enable the transfer of power from the power source to the driven equipment, ensuring that the equipment can perform its intended functions. By providing alignment, connection, and flexibility, PTO shaft yokes contributeto the smooth and reliable power transmission, reducing the risk of mechanical issues and optimizing the performance of the machinery. Their proper maintenance and serviceability are crucial for ensuring their longevity, safety, and overall effectiveness in power transmission systems.

China Standard Pto Shaft Splined Yoke with Interfering Bolt for Tractor Parts  China Standard Pto Shaft Splined Yoke with Interfering Bolt for Tractor Parts
editor by CX 2024-03-02