55 Series PTO Shaft-Replacement of Weasler 55 Series PTO Drive Shaft

The 55 Series PTO shaft replacement of the Weasler 55 Series PTO drive shaft is a highly durable and efficient agricultural component designed to transfer mechanical power between tractors and various implements, such as mowers, balers, and tillers. This PTO drive shaft is engineered with precision to handle high-torque applications while ensuring smooth and consistent power transmission. It features a telescoping shaft design, which allows for flexibility in length to accommodate different equipment settings and reduce stress during operation.

The 55 Series PTO shaft also includes high-quality universal joints that enhance durability and minimize wear, even under heavy loads and continuous use. Safety is a key consideration in its design, with protective shields and guards typically included to prevent operator injuries. Additionally, the 55 Series PTO drive shaft components are corrosion-resistant and built to withstand harsh outdoor conditions, ensuring long-lasting 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.

Replacement of Weasler 55 Series PTO Shaft Parts

Tractor Yokes

	Dim. “A” Bore	Dim. “B”
Safety Slide Lock	1 3/8” × 6 Spl.	5 13/16”
	1 3/4” × 20 Spl.	6”
	1 3/8” × 21 Spl.	5 13/16”

	Dim. “A” Bore	Dim. “B” Bore
Quick Disconnect	1 3/8” × 6 Spl.	5 5/8”
	1 3/8” × 21 Spl.	5 1/8”
	1 3/4” × 20 Spl.	6 1/8”
	1 3/4” x 6 Spl.	5 5/8”

	Dim. “A” Bore	Dim. “B”	Shear Bolt
Ball Shear Device With Safety Slide Lock	1 3/8” × 6 Spl.	6 1/8”	(2) 3/8” - 16 Gr. 5
	1 3/4” × 20 Spl.	6 5/8”	(2) 3/8” - 16 Gr. 5
	1 3/8” × 21 Spl.	6 1/8”	(2) 3/8” - 16 Gr. 5
Ball Shear Device Clamp-Style	1 3/4” × 20 Spl.	5 13/16””

	Dim. “A” Bore	Dim. “B”
Auto-Lock	1 3/8” × 6 Spl.	5 13/16”
	1 3/4” × 20 Spl.	6”
	1 3/8” × 21 Spl.	5 13/16”

PTO Shaft Cross & Bearing Kit 

	Dim. “A”	Dim. “B”
	1 17/32”	4 5/16”

Shaft

	Length
1 5/16” Square	6'/3'

	Dim. “A” Size	Length	Major Dim.
Spline Shaft Induction Hardened	1 11/16” × 20 Spl.	3’	1.790/1.785

Shaft Weld Yoke

	Dim. “A” Bore	Dim. “B” Bore	Dim. “C”
With Bearing Groove	1 5/16” Sq.		4 1/8”.
	1 3/16” Sq.		4 3/8”.
		1 11/16” × 20 Spl.	3 3/4”

PTO Shaft Slip Sleeve

	Length	Dim. “A” Bore	Dim. “B” Bore	Fits Tube Size.
With Grease Groove	5”		1 5/16” Sq.	2 1/2” (.120 Wall)
	5”	1 11/16” × 20 Spl.		2 1/2” (.120 Wall)
With Grease Reservoir	8”	1 11/16” × 20 Spl.		2 1/2” (.120 Wall)
	8”		1 5/16” Sq.	2 1/2” (.120 Wall)

PTO Shaft Tube 

	Length
2 1/2” (.120 Wall)	6’
	3’

Tube Weld Yoke

	Dim. “A”	Fits Tube Size
With Bearing Groove	4 5/8”	2 1/2” (.120 Wall)
	4 5/8”	2 1/2” (.120 Wall)

Implement Yoke

	Dim. “A” Bore	Dim. “B”	Standard Keyway
Round Bore With Keyway & Set Screw	1 3/8”	4 1/2”	5/16”
	1 1/2”	4 5/8”	3/8”
	1 5/8”	4 5/8”	3/8”
	1 3/4”	4 5/8”	3/8”
	2”	4 5/8”	1/2”

	Dim. “A” Bore	Dim. “B”
Square Bore With Set Screw	1 1/4”	4 5/8”

	Dim. “A” Bore	Dim. “B”
Spline Bore With 21/64” Pin Hole	1 3/8” × 6 Spl.	4 1/2”
	1 3/8” × 21 Spl.	4 1/2”

	Dim. “A” Bore	Dim. “B”
Clamp Yoke	1 3/8” × 6 Spl.	5 5/8”
	1 3/4” × 20 Spl.	5 1/4”
	1 3/8” × 21 Spl.	5 1/4”
	1 3/4” × 27 Spl.	5 5/8”
	1 3/4” x 6 Spl.	5 5/8”

	Dim. “A” Bore	Dim. “B”
Stock Bore With Hub O. D. Turned	1”	5 5/8”

Drivelines

Applications of Weasler 55 Series PTO Drive Shafts

The 55 Series PTO drive shaft is a versatile and heavy-duty component widely used in agricultural and industrial applications. It plays a critical role in transferring mechanical power from a tractor or power source to various implements, making it essential for modern farming operations. The 55 Series is specifically designed for high-torque and high-performance tasks, ensuring durability and reliability across a wide range of applications. Here are some of its common uses:

1. Rotary Cutters and Mowers: The Weasler 55 Series PTO drive shaft is frequently used in rotary cutters, flail mowers, and finishing mowers. These attachments require consistent power transfer to cut grass, weeds, and brush efficiently. The telescoping design and robust universal joints of the 55 Series ensure smooth operation and reduce strain on both the tractor and the implement.
2. Hay Balers: In haymaking, the 55 Series PTO drive shaft is an integral part of balers, including round and square balers. These machines require a reliable and durable PTO shaft to compress and bind hay effectively. The 55 Series provides the necessary torque and reliability for continuous operation during the harvesting season.
3. Tillers and Cultivators: For soil preparation, the tractor PTO drive shaft is commonly used in tillers and cultivators. These implements demand high torque to break up soil and ensure proper aeration. The 55 Series excels in these tasks, thanks to its sturdy construction and ability to handle heavy-duty applications.
4. Post Hole Diggers: Post hole diggers rely on PTO drive shafts to power their augers. The Weasler 55 Series provides the torque needed to drill holes efficiently into various types of soil, whether for fencing, tree planting, or construction purposes.
5. Manure Spreaders and Fertilizer Spreaders: The tractor PTO shaft is also employed in manure and fertilizer spreaders, which require consistent power transfer to distribute materials evenly across fields. The shaft’s high-performance design ensures dependable operation, even with heavy loads.
6. Grain Augers and Conveyors: In grain handling and storage, the 55 Series PTO drive shaft powers augers and conveyors, facilitating the efficient movement of grain during harvest and storage processes.

How to Replace a Damaged Tractor PTO Shaft in a Round Baler?

Replacing a damaged PTO shaft in a round baler is a task that should be approached with caution and attention to safety. Here are general steps to replace a damaged PTO shaft in a round baler:

1. Ensure Safety and Preparation: Before beginning, park the tractor and baler on a flat, stable surface. Turn off the tractor engine, engage the parking brake, and disconnect the PTO shaft from both the tractor and baler. Ensure the implement is stable and won’t move unexpectedly.
2. Inspect the Damaged Shaft: Closely examine the damaged PTO shaft to identify the extent of the damage, whether it’s bent tubing, worn universal joints, or broken yokes. This inspection will help determine if you need to replace the entire shaft or just specific components, such as the cross kits or protective guards.
3. Remove the Damaged Shaft: Disconnect the PTO shaft from the baler’s input shaft and the tractor’s PTO output shaft. If the shaft is stuck, use a penetrating lubricant to loosen it. Slide the shaft off carefully, and ensure that all locking mechanisms, like pins or collars, are disengaged to avoid damage or injury.
4. Measure and Select a Replacement Shaft: Measure the length of the damaged shaft and confirm the series type (e.g., Weasler 55 Series) to ensure compatibility with your round baler and tractor. Choose a replacement shaft that matches the torque and length requirements. If the new shaft is telescoping, verify that it adjusts to the required working length.
5. Install the New PTO Shaft: Attach one end of the new PTO shaft to the tractor’s PTO output shaft and the other end to the baler’s input shaft. Ensure the yokes are aligned correctly and the locking mechanisms, such as shear bolts or quick-release pins, are securely in place. Confirm that the shaft moves freely without binding.
6. Test the Installation: Start the tractor and run the PTO at a low speed to test the new shaft. Observe for any unusual vibrations, noises, or misalignments. Check that the telescoping portion operates smoothly and that the protective guards are correctly positioned. Once confirmed, the baler is ready for operation.

55 Series PTO Shafts Vs. 35 Series PTO Shafts

The 55 Series PTO Shafts and the 35 Series PTO Shafts are both widely used in agricultural and industrial applications, but they are designed for different power and performance requirements. Here are the comparison of their key differences:

1. Torque Capacity: The Weasler 55 Series is built to handle higher torque loads compared to the 35 Series. This makes the 55 Series more suitable for heavy-duty applications, such as powering large implements like round balers, rotary cutters, and soil tillage equipment. The 35 Series, on the other hand, is designed for moderate torque demands, making it ideal for lighter equipment like finishing mowers, small spreaders, or compact tillers.
2. Size and Strength: The 55 Series PTO shafts are generally larger and more robust than the 35 Series. They feature thicker tubing and stronger components, which allow them to withstand greater stress and wear. The 35 Series shafts are smaller and lighter, making them easier to handle but less capable of withstanding extreme conditions.
3. Applications: Due to its higher torque capacity and durability, the 55 Series is commonly used with larger tractors and implements that require consistent power under heavy loads. The 35 Series is better suited for smaller tractors and equipment that operate in less demanding environments. This difference in application ensures that each series can meet the specific needs of various farming operations.
4. Durability and Longevity: The 55 Series is constructed with more heavy-duty materials and components, giving it a longer lifespan in challenging conditions. The 35 Series, while durable for its intended use, is not designed for the same level of rigorous operation and may wear out faster in high-torque scenarios.
5. Cost: The 55 Series generally costs more than the 35 Series because of its larger size, higher performance capabilities, and enhanced durability. Farmers and operators must balance their needs and budgets when selecting between the two.

55 Series PTO Shaft	35 Series PTO Shaft

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, etc. The annual turnover is 60 million RMB, 9 million dollars, and it's increasing year by year. Our products gained a great reputation from Europe, America, Asia, Australia, and North American customers. We are among the top 3 professional OEM suppliers for many agricultural implement factories in the domestic market. We already have the CE, TS/16949, and ISO9001 certificates and systematic manufacturing equipment and QC team to guarantee our quality and delivery. We warmly welcome every friend to visit us and establish the mutually beneficial long-term relationship cooperation.

Our Advantages:

1. Safety Shield Types and Colors Based on Your Requirements: We offer a variety of safety shield types and colors to meet your specific needs. Whether you require shields for agricultural or industrial applications, we can customize designs to ensure durability and compliance with safety standards, providing optimal protection.
2. Wide Range of Universal Joints: Our product range includes a comprehensive selection of universal joints for various applications. Designed to ensure reliability and performance, our universal joints are compatible with multiple machines and equipment, delivering smooth operation and reduced wear over time.
3. Large Inventory for Fast Delivery: We maintain 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.
4. Variety of Abrasives, Tools, and Parts: In addition to shafts and joints, we supply a wide range of abrasives, tools, and components 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: 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.