S4 Series PTO Shaft-Replacement of Bondioli & Pavesi S4 Series PTO Drive Shaft

The S4 Series PTO shaft replacement of the Bondioli & Pavesi S4 Series PTO drive shaft is a high-performance agricultural component designed to efficiently transfer power from tractors to various types of farm equipment, such as mowers, balers, tillers, and spreaders. The S4 Series PTO shaft is specifically designed to handle medium to heavy-duty applications and is built using robust materials to ensure long-lasting operation even under high torque loads. It features a telescoping shaft design, allowing for flexibility in length adjustments to accommodate varying distances between the tractor and the implement. The shaft is protected by a durable safety guard, ensuring compliance with safety standards while minimizing the risk of accidents.

Additionally, the S4 Series is compatible with a range of standard and wide-angle joints, enabling smooth power transmission even at sharp angles. Its modular design makes it easy to replace or repair components, ensuring minimal downtime during farm operations. This PTO shaft is a reliable and efficient solution for modern agricultural needs, combining innovation with practical functionality.

Note: Our products are replacement parts and not original equipment. We provide perfect replacement products for original equipment. If you need to purchase the original equipment, please contact the original supplier.

Products Specifications

Replacement of Bondioli & Pavesi S4 Series PTO Drive Shaft Parts

Tractor Yoke

	Dim. “A”	Dim. “B” mm	in.
Safety Slide Lock	1 3/8” x 6 Spl.	113.0	4.45”
	1 3/8” x 21 Spl.	113.0	4.45”
Quick Disconnect Yoke	1 3/8” x 6 Spl.	107.0	4.21”
	1 1/8” x Hex	107.0	4.21”
	1 3/8” x 21 Spl.	107.0	4.21”

PTO Shaft Cross and Bearing Kit

	Dim. “A” mm	in.	Dim. “B” mm	in.
	27	1.06”	74.6	2.94”

Inner Profile Yoke

	Dim. “A” mm	in.	Dim. “B” mm	in.
With Bearing Groove	36.8	1.45”	85.0	3.35”

Outer Profile Yoke

	Dim. “A” mm	in.	Dim. “B” mm	in.
With Bearing Groove	44	1.73”	85.0	3.35”

PTO Shaft Inner Tube

	Length mm	in.
	1.5	59.06”
	1.0	39.37”

Roll Pin

	Dim. “A”		Dim. “B”
	mm	in.	mm	in.
	8.0	.31”	60.0	2.36”

PTO Shaft Outer Tube

	Length mm	in.
	1.5	59.06”
	1.0	39.37”

Implement Yoke

	Dim. “A”		Dim. “B”		Standard Keyway
	mm	in.	mm	in.	mm	in.
Round Bore With Keyway & Set Screw	30.0	1.18”	95.0	3.74”	8.0	.31”
	31.8	1.25”	95.0	3.74”	6.4	.25”
	34.9	1.38”	95.0	3.74”	8.0	.31”
	38.1	1.50”	95.0	3.74”	9.5	.38”
	35.0	1.38”	95.0	3.74”	10.0	.39”
	Dim. “A”		Dim. “B”		Pinhole
	mm	in.	mm	in.	mm	in.
Shear Pin With PinHole	31.8	1.25”	95.0	3.74”	6.35	.25”
	35.0	1.38”	95.0	3.74”	12.9	.50”

	Dim. “A”		Dim. “B”
	mm	in.	mm	in.
Hex Bore	28.9	1.14”	95.0	3.74”
Clamp Yoke	1 3/8” x 6 Spl.		107.0	4.21”
	1 1/4” Rd.		107.0	4.21”

Drivelines

Applications of Bondioli & Pavesi S4 Series PTO Drive Shafts

The S4 Series PTO drive shafts find a wide range of applications in various agricultural operations due to their robustness, reliability, and efficiency. Here are some common applications of the S4 Series PTO drive shafts in agriculture:

1. Slurry Tanks: The S4 Series PTO drive shafts are essential for powering slurry tank agitators and pumps. They ensure efficient torque transfer from the tractor to the tank, enabling the proper mixing and pumping of liquid manure. Their durable construction ensures reliable operation even under heavy loads and in corrosive environments.
2. Chemical Fertiliser Spreaders: In fertiliser spreaders, the S4 Series PTO shafts provide precise power transmission to the spreading mechanism, ensuring uniform distribution of fertiliser across fields. Their telescoping design allows for easy connection and adjustment, while their safety guards protect operators during prolonged usage in demanding agricultural conditions.
3. Cutter Bars: Used in harvesting machinery, the S4 Series PTO shafts deliver uninterrupted power to cutter bars, facilitating smooth and efficient crop cutting. The shafts’ compatibility with wide-angle joints ensures seamless operation, even when working on uneven terrain or at sharp angles, improving overall harvest efficiency.
4. Small Floor Grinders: For small floor grinders in industrial settings, the S4 Series PTO shafts provide reliable power to grinding mechanisms. Their robust construction and high torque capacity allow them to handle the demands of grinding operations, ensuring consistent performance and reduced wear on the machinery.
5. Seeders: In seeders, the S4 Series PTO shafts are vital for driving mechanisms that control seed placement and distribution. Their precise engineering ensures smooth power delivery, reducing the risk of interruptions during planting. The modular design allows for easy maintenance, ensuring minimal downtime during seeding operations.

How Does the Tractor PTO Shaft Work in a Sickle Bar Mower?

A tractor PTO shaft in a sickle bar mower plays a crucial role in transferring power from the tractor to the mower for efficient cutting. Here is how the PTO shaft works in a sickle bar mower:

1. Power Transfer from Tractor to PTO Shaft: The tractor’s PTO system generates rotational power at a specific speed, typically measured in RPM. This power is transmitted to the attached PTO shaft, which connects the tractor to the sickle bar mower, enabling the mower to operate efficiently without requiring its own power source.
2. Connection to the Sickle Bar Mower Gearbox: The PTO shaft links to the gearbox of the sickle bar mower. This connection ensures that the rotational energy from the tractor is efficiently converted into mechanical motion. The gearbox adjusts the speed and torque to drive the cutting mechanism of the mower.
3. Telescoping Shaft for Flexibility: The PTO shaft typically features a telescoping design, allowing it to adjust in length as the tractor and mower move over uneven terrain. This flexibility ensures a consistent power transfer while preventing stress or damage to the shaft during operation.
4. Wide-Angle Joints for Adaptability: Many PTO shafts include wide-angle universal joints, which allow the sickle bar mower to operate at varying angles without interrupting power flow. This is especially useful when maneuvering around obstacles or working on uneven ground, ensuring smooth and efficient operation.
5. Powering the Sickle Blades: Once the rotational energy reaches the mower’s gearbox, it is converted into reciprocating motion to drive the sickle bar blades. These blades move back and forth rapidly, cutting grass, crops, or vegetation cleanly and efficiently with minimal power loss.
6. Safety Features for Operator Protection: The PTO shaft is equipped with protective guards to prevent accidental contact with moving parts. Additionally, slip clutches or shear bolts may be included to protect the tractor and mower from damage in case of a sudden obstruction, ensuring a safe and reliable operation.

Why Choose AGKNX's Agricultural PTO Shaft?

AGKNX specializes in developing, manufacturing, and marketing PTO shafts, industrial cardan shafts, car driveshafts, u-joint coupling shafts, universal joints, and more. With an annual turnover of 60 million RMB (approximately 9 million dollars), our company has been experiencing consistent growth year by year. Our products have earned a stellar reputation among customers in Europe, America, Asia, Australia, and North America. We are recognized as one of the top three professional OEM suppliers for many agricultural implement factories in the domestic market. Our commitment to quality is backed by certifications including CE, TS/16949, and ISO9001, supported by systematic manufacturing equipment and a dedicated QC team to guarantee quality and timely delivery.

We warmly welcome every friend to visit us and establish a mutually beneficial long-term cooperative relationship. Our commitment to innovation and customer satisfaction sets us apart in the industry.

Key Advantages of Our PTO Shafts:

1. Safety Shield Types and Colors Based on Your Requirements: We understand the importance of safety in agricultural and industrial applications. That's why we offer a variety of safety shield types and colors to meet your specific needs. Our customizable designs ensure durability and compliance with safety standards, providing optimal protection for your operations.
2. Wide Range of Universal Joints: Our comprehensive selection of universal joints is designed for various applications, ensuring reliability and performance. These universal joints are compatible with multiple machines and equipment, delivering smooth operation and reduced wear over time, which is essential for maintaining productivity.
3. Large Inventory for Fast Delivery: AGKNX maintains a substantial inventory of products, allowing us to provide quick and efficient delivery to meet your deadlines. Our streamlined logistics and stock management systems ensure that you receive the products you need without unnecessary delays, so you can keep your operations running smoothly.
4. Variety of Abrasives, Tools, and Parts: Beyond shafts and joints, we supply a wide range of abrasives, tools, and components designed to support your agricultural and industrial operations. Our diverse selection guarantees that you have access to the parts necessary for efficient and seamless workflows.
5. Customization and OEM Support: At AGKNX, we specialize in providing highly customized solutions and OEM services tailored to your specific requirements. Whether you need unique designs, branding, or specialized manufacturing, our team works closely with you to deliver products that match your exact specifications.