Product Description


Model Number 05(Push Pin)+RA2(Overrunning Clutch)
Function Power transmission
Use Tractors and various farm implements
Yoke Type push pin/quick release/ball attachment/collar/double push pin/bolt pins/split pins
Processing Of Yoke Forging
Tube Type Trianglar/star/lemon
Spline Type Spline Type

Materlal and Surface Treatment

Cross shaft

Heat treatment of 20Cr2Ni4A forging

Bearing cup

20CrMOTi forging heat treatment

Flange fork

ZG35CrMo, steel casting

Spline shaft

42GrMo forging heat treatment

Spline bushing

35CrM0 forging heat treatment

Sleeve body

42CrMo forging

Surface treatment:


Flat key, positioning ring

42GrMo forging

The above are standard models and materials.
If you have special supporting requirements, you can customize production according to customer needs.
Please click here to consult us!

Application scenarios


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Standard: GB, EN, OEM
Surface Treatment: All
Energy Source: All
Material: All
Load: Drive Shaft
Stiffness & Flexibility: Flexible Shaft

pto shaft

How do PTO drive shafts handle variations in length and connection methods?

PTO (Power Take-Off) drive shafts are designed to handle variations in length and connection methods, allowing them to be adaptable to different equipment setups and applications. These variations are accommodated through the following features and mechanisms:

1. Telescoping Design:

Many PTO drive shafts are designed with a telescoping mechanism, which enables the length of the drive shaft to be adjusted. Telescoping allows for flexibility in matching the distance between the power source (e.g., tractor PTO) and the driven equipment. By extending or retracting the telescoping sections of the drive shaft, operators can achieve the desired length and ensure proper alignment. This feature is particularly useful when connecting equipment that may have varying distances from the power source.

2. Overlapping Tubes:

PTO drive shafts often consist of multiple tubes that overlap when the drive shaft is fully collapsed. These overlapping tubes provide structural stability and allow for the length adjustment of the drive shaft. By extending or retracting the drive shaft, the overlapping tubes slide within each other, accommodating variations in length. The overlapping tube design ensures that the drive shaft maintains its integrity and alignment during operation.

3. Splined Connections:

PTO drive shafts typically feature splined connections, which provide a secure and reliable method of joining the drive shaft components. Splines are ridges or teeth machined onto the drive shaft and mating component, such as the yoke or flange. The splined connections allow for angular misalignment and axial movement while transmitting power smoothly. They can accommodate variations in length by allowing the drive shaft to extend or retract without compromising the torque transfer capabilities.

4. Locking Mechanisms:

To ensure the stability and safety of the PTO drive shaft, locking mechanisms are incorporated into the design. These mechanisms secure the telescoping sections or splined connections in place once the desired length is achieved. Common locking mechanisms include spring-loaded pins, quick-release collars, or locking rings. These mechanisms prevent unintentional movement or separation of the drive shaft components during operation, ensuring a secure connection even under dynamic loads.

5. Universal Joints:

Universal joints are integral components of PTO drive shafts that allow for angular misalignment between the driving and driven shafts. They consist of two yokes connected by a cross-shaped bearing. Universal joints accommodate variations in length and connection angles, allowing the drive shaft to transfer power smoothly and efficiently even when the equipment is not perfectly aligned. The flexibility of universal joints helps compensate for any misalignment caused by changes in length or connection methods.

6. Adapters and Couplings:

In situations where there are differences in connection methods or sizes between the power source and the driven equipment, adapters and couplings can be used. These components bridge the gap between different connection types, allowing the PTO drive shaft to be compatible with a wider range of equipment. Adapters and couplings may include flanges, spline adapters, or quick-detach couplers, depending on the specific connection requirements.

7. Customization Options:

Manufacturers of PTO drive shafts often provide customization options to accommodate specific length and connection requirements. Customers can request drive shafts of different lengths or specify the types of connections needed for their particular equipment. Customization allows for precise tailoring of the PTO drive shafts to match the equipment setup, ensuring optimal performance and compatibility.

In summary, PTO drive shafts handle variations in length and connection methods through telescoping designs, overlapping tubes, splined connections, locking mechanisms, universal joints, adapters, couplings, and customization options. These features and mechanisms provide the necessary flexibility and adjustability to accommodate different equipment setups and ensure efficient power transfer. Whether it’s adjusting the length, adapting to varying connection types, or compensating for misalignment, PTO drive shafts are designed to handle the variations encountered in different applications and industries.

pto shaft

What safety precautions should be followed when working with PTO drive shafts?

Working with PTO (Power Take-Off) drive shafts requires strict adherence to safety precautions to prevent accidents and ensure the well-being of individuals operating or maintaining the equipment. Here are some important safety precautions to follow when working with PTO drive shafts:

1. Read and Understand the Manufacturer’s Instructions:

Before working with PTO drive shafts, carefully read and understand the manufacturer’s instructions, operating manuals, and safety guidelines. Familiarize yourself with the specific requirements and recommendations for the PTO drive shaft model being used. The manufacturer’s instructions provide essential information regarding installation, operation, maintenance, and safety precautions.

2. Wear Appropriate Personal Protective Equipment (PPE):

Always wear the necessary personal protective equipment (PPE) when working with PTO drive shafts. This may include safety glasses, protective gloves, steel-toed boots, and appropriate clothing. PPE helps protect against potential hazards such as flying debris, entanglement, or contact with rotating components.

3. Ensure Proper Installation and Alignment:

Follow the recommended installation procedures for the PTO drive shaft. Ensure that it is correctly aligned and securely attached to both the power source and the driven equipment. Improper installation or misalignment can lead to excessive vibration, premature wear, and potential dislodgement of the drive shaft during operation.

4. Use Safety Guards and Shields:

PTO drive shafts should be equipped with appropriate safety guards and shields. These protective devices help prevent accidental contact with rotating components and minimize the risk of entanglement. Ensure that the guards and shields are properly installed and in good working condition. Do not remove or bypass them during operation.

5. Avoid Loose Clothing, Jewelry, and Hair:

When working with PTO drive shafts, avoid wearing loose clothing, jewelry, or having long hair that can get entangled in the rotating components. Secure or remove any loose items that could pose a risk of entanglement or become caught in the drive shaft during operation.

6. Disconnect Power Before Maintenance:

Prior to performing any maintenance or inspection on the PTO drive shaft, ensure that the power source is completely shut off and the equipment is at a complete stop. Disconnect the power supply and take appropriate measures to prevent accidental startup, such as locking out and tagging out the power source.

7. Regularly Inspect and Maintain the Drive Shaft:

Regularly inspect the PTO drive shaft for signs of wear, damage, or misalignment. Check for loose or missing components, and ensure that all fasteners and connections are secure. Lubricate the drive shaft as recommended by the manufacturer. Promptly address any maintenance or repair needs to prevent further damage or potential safety hazards.

8. Be Cautious of Overload and Shock Loads:

Avoid subjecting the PTO drive shaft to excessive loads or sudden shock loads beyond its rated capacity. Overloading can lead to premature wear, component failure, and potential accidents. Ensure that the equipment being driven by the PTO drive shaft does not exceed its recommended load limits.

9. Provide Training and Awareness:

Ensure that individuals working with or around PTO drive shafts receive proper training and are aware of the associated risks and safety precautions. Training should cover installation procedures, safe operation, maintenance practices, and emergency procedures. Promote a safety-conscious culture and encourage reporting of any safety concerns or incidents.

10. Seek Professional Assistance When Needed:

If you’re unsure about any aspect of working with PTO drive shafts or encounter complex maintenance or repair needs, seek professional assistance. Consulting with qualified technicians, engineers, or the equipment manufacturer can help ensure that the work is carried out safely and effectively.

Remember, safety should always be the top priority when working with PTO drive shafts. Following these precautions helps minimize the risk of accidents, injuries, and equipment damage. It is essential to stay vigilant, exercise caution, and comply with relevant safety regulations and standards.

pto shaft

How do PTO drive shafts handle variations in speed, torque, and angles of rotation?

PTO (Power Take-Off) drive shafts are designed to handle variations in speed, torque, and angles of rotation, allowing for efficient power transmission between the primary power source and the implement or machinery. These variations can occur due to differences in equipment sizes, operating conditions, and the specific tasks being performed. Here’s a detailed explanation of how PTO drive shafts handle these variations:

1. Speed Variations:

PTO drive shafts are engineered to accommodate speed variations between the primary power source and the implement. They achieve this through a combination of factors:

  • Splined Connections: PTO drive shafts are equipped with splined connections at both ends, allowing for a secure and precise connection to the PTO output shaft and the implement input shaft. These splines provide flexibility to adjust the length of the drive shaft and accommodate different speed requirements.
  • Telescoping or Sliding Mechanism: Some PTO drive shafts feature a telescoping or sliding mechanism that allows for length adjustment. This mechanism enables the drive shaft to handle speed variations by extending or retracting to maintain proper alignment and prevent excessive tension or binding. It allows the drive shaft to operate efficiently even when the distance between the primary power source and the implement changes.
  • Shear Pins or Clutch Mechanism: In situations where there is a sudden increase in speed or an overload, PTO drive shafts may incorporate shear pins or a clutch mechanism. These safety features are designed to disconnect the drive shaft from the primary power source, preventing damage to the drive shaft and associated equipment.

2. Torque Variations:

PTO drive shafts are built to handle variations in torque, which are often encountered when powering different types of implements and machinery. Here’s how they manage torque variations:

  • Splined Connections: The splined connections on the drive shaft and the PTO output shaft provide a secure and robust connection that can transmit high levels of torque. The splines ensure proper alignment and torque transfer between the two shafts, allowing the drive shaft to handle varying torque demands.
  • Shear Pins or Clutch Mechanism: Similar to handling speed variations, shear pins or a clutch mechanism can be incorporated into PTO drive shafts to protect them from excessive torque. In the event of an overload or sudden increase in torque, these safety features disengage the drive shaft from the primary power source, preventing damage to the drive shaft and the connected equipment.
  • Reinforced Construction: PTO drive shafts are typically constructed using durable materials such as steel or composite alloys. This robust construction allows them to withstand high torque levels and handle variations without compromising their structural integrity.

3. Angles of Rotation:

PTO drive shafts are designed to accommodate variations in angles of rotation between the primary power source and the implement. Here’s how they address these variations:

  • Flexible Design: PTO drive shafts are flexible in nature, allowing them to adapt to different angles of rotation. The splined connections and telescoping or sliding mechanisms mentioned earlier provide the necessary flexibility to handle angular variations without compromising power transmission.
  • Universal Joints: In situations where there are significant angular variations, PTO drive shafts may incorporate universal joints. Universal joints allow for smooth power transmission even when the input and output shafts are misaligned or at different angles. They accommodate the changes in rotational direction and compensate for angular variations, ensuring efficient power transfer.

By incorporating features such as splined connections, telescoping or sliding mechanisms, shear pins or clutch mechanisms, reinforced construction, and universal joints, PTO drive shafts can handle speed variations, torque variations, and angles of rotation. These design elements enable efficient power transmission and ensure the smooth operation of implements and machinery across different tasks and operating conditions.

China Good quality Agricultural Pto Shaft Yoke Tractor Clutch Spline U Joint Cardan Couplings Cross Drive Universal Metal Power Take off Shaft  China Good quality Agricultural Pto Shaft Yoke Tractor Clutch Spline U Joint Cardan Couplings Cross Drive Universal Metal Power Take off Shaft
editor by CX 2024-04-09