Albero cardanico agricolo per falciatrice a dischi New Holland Discbines 411

PTO Shaft for New Holland Discbine Models: 411

Main Shaft: CAT 6 Constant Velocity

Original equipment is 55N Weasler 80 degrees on the tractor side and a 50-degree CV on the discbine. Input shafts are usually 1.50″ x 23 splines.

Overview of PTO Shaft for New Holland 411 Disc Mower

The agricultural PTO shaft for a New Holland Discbine 411 is a critical component that transfers mechanical power from a tractor to the mower. This shaft serves as the connection between the tractor's PTO system and the discbine, enabling the mower's cutting and conditioning mechanisms to operate efficiently. It is designed to deliver optimal power transmission while ensuring durability and safety during demanding agricultural tasks.

The PTO shaft typically consists of two main components: an inner and outer telescoping tube that allows for length adjustments, accommodating different attachment configurations, and universal joints (or U-joints) at both ends for smooth rotational movement even at varying angles. This flexibility is essential for maintaining consistent power delivery, especially on uneven terrain.

Common Applications of PTO Shaft for Disc Mowers

The PTO shaft for New Holland disc mowers, such as the New Holland Discbine 411, is a vital agricultural component that facilitates the transfer of mechanical energy from the tractor to the mower. Its applications are diverse, as it powers essential functions of the disc mower, making it indispensable for a wide range of farming tasks. Here are its common applications:

1. Cutting and Harvesting Hay Crops: The primary application of the PTO shaft in disc mowers is powering the cutting system to harvest hay crops. As the PTO shaft transmits rotational energy from the tractor, it drives the mower’s cutting discs or blades, enabling them to slice through dense grasses, legumes, or other forage crops efficiently. The high-speed rotation ensures clean, precise cuts, which are crucial for quality hay production.

2. Conditioning the Crop: Many disc mowers, like the Discbine 411, are equipped with conditioning systems that crimp or crush the cut crop to accelerate drying. The PTO shaft powers these conditioning rollers or flails, ensuring the material is processed as it exits the cutting disc. This application is essential for reducing drying time in haymaking, which helps preserve the nutritional value of the forage and ensures faster baling.

3. Efficient Operation on Uneven Terrain: The PTO shaft’s telescoping design and universal joints allow the mower to adapt to uneven or sloped terrain. This flexibility ensures consistent power transmission even when the mower’s position changes relative to the tractor. This makes it highly effective for mowing in hilly fields, uneven pastures, or areas with obstacles.

Advantages of Using the PTO Drive Shaft for Disc Mowers

Using a PTO drive shaft for disc mowers offers several advantages that contribute to the efficiency and effectiveness of agricultural operations. Here are some key benefits of using a PTO drive shaft for disc mowers:

1. Efficient Power Transmission: The PTO shaft ensures seamless transfer of mechanical power from the tractor to the disc mower, enabling optimal performance. Its direct connection minimizes energy loss, allowing the mower to operate efficiently even in demanding conditions, such as cutting dense or wet forage crops.
2. Support for High Torque Applications: PTO shafts are specifically designed to handle the high torque demands of disc mowers, such as New Holland models. This capability ensures reliable operation during heavy-duty tasks, including cutting thick grass or rugged vegetation, without compromising the equipment's performance or durability.
3. Adaptability to Uneven Terrain: With telescoping tubes and universal joints, the PTO drive shaft accommodates changes in angle and length, making it highly adaptable for use on uneven or sloped terrain. This flexibility prevents power interruptions and allows smooth mowing over challenging field conditions.
4. Durata e longevità: PTO shafts for disc mowers are constructed from high-strength materials, ensuring they can withstand the wear and tear of prolonged use. Many also feature protective coatings or shields to resist corrosion and damage from debris, enhancing their service life and reliability.
5. Enhanced Safety Features: Modern PTO shafts are equipped with safety features such as shear pins, slip clutches, and protective shields. These features prevent overloading, protect the tractor and mower from damage, and reduce the risk of injuries caused by rotating components during operation.

How to Choose the Right Tractor PTO Shaft for Disc Mower?

Choosing the right tractor PTO shaft for a disc mower is crucial to ensure optimal performance and safety during agricultural operations. Here are some key factors to consider when selecting the appropriate PTO shaft for a disc mower:

1. Determine the Required PTO Shaft Length: The length of the PTO shaft is critical to ensure proper functionality. Measure the distance between the tractor’s PTO output and the mower’s input shaft. Choose a shaft with telescoping capabilities to accommodate slight variations while allowing smooth operation without overextension or binding.
2. Match the PTO Shaft Category to Your Equipment: PTO shafts come in different categories (e.g., Category 1, 2, or 3) based on horsepower and torque requirements. Ensure the shaft matches the tractor’s horsepower rating and the disc mower’s torque demands to avoid equipment failure or inefficiency during operation.
3. Verify the Splines and Connections: Check the number of splines on the tractor’s PTO output and the mower’s input shaft. Most tractors have a 6-spline or 21-spline PTO, so selecting a compatible shaft ensures seamless coupling without the need for adapters or modifications.
4. Consider the Safety Features: Look for PTO shafts with built-in safety mechanisms such as shear pins, slip clutches, or overload protection. These features help prevent damage to the tractor or mower in case of sudden obstructions or excessive torque, ensuring safe and reliable operation.
5. Ensure Compatibility with Operational Angle Requirements: Disc mowers often operate on uneven terrain, requiring PTO shafts with wide-angle or constant velocity (CV) joints. These allow smooth power transmission at varying angles, ensuring consistent performance without excessive wear or strain on the shaft or equipment.

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