77 Series PTO Shaft-Replacement of Weasler 77 Series PTO Drive Shaft

The 77 Series PTO shaft replacement of the Weasler 77 Series PTO drive shaft is a high-performance agricultural component designed to transfer mechanical power from a tractor to attached implements, such as rotary mowers, balers, post hole diggers, fertilizer spreaders, or rotary tillers. The 77 Series is constructed for durability, reliability, and efficient power transmission, making it ideal for heavy-duty agricultural applications. It features a telescoping shaft design that allows for flexibility in length, accommodating different equipment setups and reducing stress during operation.

The 77 Series PTO shaft is engineered with high-quality materials to ensure long-lasting performance, even under demanding conditions. It often incorporates features such as cross and bearing kits with heat-treated components, ensuring smooth operation and resistance to wear and tear. Additional safety features, such as protective guards, are commonly included to prevent accidents. This series is compatible with various types of yokes and clutches, allowing customization based on the specific agricultural application.

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 77 Series PTO Shaft Parts

Tractor Yoke

	Dim. “A” Bore	Dim. “B”
Auto-Lock	1 3/8” × 6 Spl.	7”
	1 3/4” × 20 Spl.	7”
	1 3/8” × 21 Spl.	7”
	1 3/4 x 6 Spl.	7”

Spline Shaft

	Dim. “A”	Length	Major Dim.
Spline Shaft	2” x 20 Spl.	3’	1.978/1.973

PTO Shaft Cross & Bearing Kit

	Dim. “A”	Dim. “B”
	1 25/32”	4 31/32”

PTO Shaft Slip Sleeve

	Length	Dim. “A” Bore	Fits Tube Size
With Grease Groove	5”	2” x 20 Spl.	3” (.188 wall)

Shaft Weld Yoke

	Dim. “A” Bore	Dim. “B” Bore
With Bearing Groove	2” x 20 Spl.	5 1/4”

PTO Shaft Tube

	Length
3” (.188 Wall)	6’
	3’

Tube Weld Yoke

	Dim. “A”	Fits Tube Size
With Bearing Groove	5 3/4”	3” (.188 wall)

Implement Yoke

	Dim. “A” Bore	Dim. “B”	Standard Keyway
Round Bore With Keyway & Set Screw	1 3/4”	5 3/4”	3/8”
	2”	6 1/4”	1/2”

	Dim. “A” Bore	Dim. “B”
Clamp Yoke	1 3/4” x 20 Spl.	6 1/4”
	2” Rd.	6 1/4”

PTO Shaft Yoke & Shaft Assembly

	Shaft Size	Dim. “A”
	2” x 20 Spl.	32.75”

77 Series PTO Drive Shaft Applications

The Weasler 77 Series PTO drive shaft is widely utilized in a variety of agricultural and industrial applications due to its versatility, strength, and reliability. Designed for heavy-duty performance, this PTO drive shaft efficiently transfers mechanical power from a tractor or other power source to attached implements, enabling them to perform essential tasks in farming and related industries. Its robust construction and compatibility with multiple configurations make it a valuable component in several applications.

One of the most common uses of the Weasler 77 Series PTO shaft is in mowers and rotary cutters, which are essential for maintaining fields, pastures, and lawns. The drive shaft provides the necessary power to the cutting blades, ensuring efficient and precise mowing. Additionally, it is commonly used in hay balers, which compress and bind hay into manageable bales. The drive shaft's ability to handle high torque and power output makes it ideal for such demanding tasks.

Another key application is in tillers and rotary cultivators, where the drive shaft powers the rotating blades used to prepare soil for planting. The telescoping design of the 77 Series allows it to adjust to varying implement sizes, ensuring compatibility and ease of use. Similarly, the drive shaft is often employed in manure spreaders, where it drives the mechanisms that evenly distribute manure across fields, enhancing soil fertility.

In grain augers and conveyors, the 77 Series PTO Drive Shaft is used to transfer power to the auger, enabling the efficient movement of grain or other materials. Its durable construction ensures it can handle heavy loads and extended periods of operation. It is also a common component in post hole diggers, where it powers the auger for digging holes in the ground, a crucial task in fencing and construction.

Advantages of 77 Series PTO Shaft for Rotary Mowers

The 77 Series PTO shaft is a heavy-duty power transfer solution designed for demanding applications like rotary mowers. Rotary mowers require consistent and reliable power transfer, and the 77 Series excels in meeting these requirements. Here are the key advantages of using the PTO shaft for rotary mowers:

1. High Durability and Robust Construction: The 77 Series PTO shaft is built with premium-quality materials that withstand the harsh conditions of rotary mowing. Its heat-treated components and rugged design ensure long-lasting performance, even during demanding operations, reducing the need for frequent replacements or repairs.
2. Efficient Power Transfer: This PTO shaft is engineered for optimal power transmission from the tractor to the rotary mower. Its precise design minimizes energy loss, ensuring consistent blade rotation and cutting performance, which is crucial for maintaining even and clean mowing results across various terrains.
3. Telescoping Shaft Design: The telescoping capability of the tractor PTO shaft allows for length adjustments, accommodating different implement setups. This flexibility reduces stress on the shaft during operation, prevents binding, and ensures smooth performance, even on uneven ground or when maneuvering around obstacles.
4. Compatibility with Safety Features: The PTO shaft supports the integration of safety devices like protective guards and overrunning clutches. These features protect operators from potential accidents and equipment damage, making it safer to use in high-speed mowing operations or challenging field conditions.
5. High Torque Capacity: The 77 Series PTO shaft is designed to handle the high torque demands of rotary mowers, especially in heavy-duty applications. This capability ensures that the mower operates efficiently even in tough environments, such as cutting through thick grass, brush, or uneven vegetation.
6. Adaptability to Varied Applications: The tractor PTO shaft is compatible with various yokes, clutches, and implement types, making it highly adaptable for different rotary mower models. This versatility ensures that it can meet the specific requirements of diverse mowing tasks, from small-scale lawn care to large agricultural operations.

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.