| Application | Fits for New Holland Header: 12HS, 14HS, 16HS, 18HS, 84C, 86C |
| SKU | CA0441 |
| Reference Code | 86521590, 86615983, 86553346, 87018588 |
| Manufacturer | Raydafon Group |
| Brand | |
| Weight | 0.72KG |
| Finishing | Painting Yellow Color or Red or Natural or OEM |
| Packing | Carton packing or wooden box packing |
The 86521590 Double Knife Guard is a high-quality accessory designed specifically for New Holland Combine Harvesters. It is compatible with various models including the 12HS, 14HS, 16HS, 18HS, 84C, and 86C headers. This double knife guard offers exceptional performance and durability, making it an essential component for efficient harvesting.
Featuring a weight of 0.72KG, this double knife guard is lightweight yet sturdy, ensuring optimal functionality in the field. Its yellow, red, or natural paint finish adds a touch of visual appeal, while the option for OEM customization allows for personalized branding.
When it comes to agricultural applications, the 86521590 Double Knife Guard excels in protecting the cutting knives during the harvesting process. Its robust construction effectively safeguards the knives, reducing the risk of damage and ensuring smooth operation even in demanding conditions.
Manufactured by Raydafon Group, a reputable name in the industry, this double knife guard guarantees superior quality and reliability. It undergoes strict quality control measures to ensure it meets the highest standards. Additionally, it is conveniently packed in either cartons or wooden boxes for safe transportation and storage.
With the 86521590 Double Knife Guard, New Holland Combine Harvesters can maximize their performance and productivity. Its compatibility with various header models makes it a versatile choice for farmers and agricultural professionals.
Replacing a damaged knife guard on your New Holland Combine Harvester is an important maintenance task that ensures the efficient and safe operation of the machine. Follow these detailed steps to successfully replace the 86521590 Double Knife Guard:
By following these steps, you have successfully replaced the damaged 86521590 Double Knife Guard on your New Holland Combine Harvester. Regularly inspect and maintain your machine's knife guards to prevent any further damage.
When it comes to maintaining the optimal performance of your New Holland combine harvester, it's essential to pay attention not only to the major components but also to the smaller parts that work together to keep the machine running smoothly. Here are some other replacement parts to consider:
The idler pulley is a critical component in the belt drive system of combine harvesters. It helps maintain proper tension and alignment of the belts, ensuring smooth power transmission to various parts of the machine. A worn or damaged idler pulley can lead to belt slippage, reduced efficiency, or machine downtime, making timely replacement essential for optimal performance.
The drive pulley is responsible for transmitting power from the engine to other mechanical systems within the combine harvester. It works in tandem with the belts, ensuring that the machine's components operate efficiently. Over time, drive pulleys can wear down, causing reduced power transfer or belt misalignment, necessitating replacement to maintain smooth operation.
Gears are essential for transferring power within the drivetrain and cutting systems of combine harvesters. They are precision-engineered to handle high loads and ensure synchronized operation of various moving parts. Damaged or worn gears can lead to inefficient power transmission, increased wear on other components, and reduced machine reliability, requiring prompt replacement.
The drive shaft transmits rotational power from the engine to various parts of the combine harvester, such as the cutting platform or threshing mechanism. It is designed to handle heavy loads and continuous use. A failing drive shaft can cause vibrations, loss of power, or complete system failure, making it a key component that requires proper maintenance and replacement when needed.
The drive hub connects the drive shaft to other rotating components, such as the cutting blades or threshing drum. It ensures smooth and reliable power transfer while maintaining alignment. A damaged drive hub can lead to misalignment, excessive wear on connected parts, or uneven operation, necessitating its timely replacement.
Knife blades are crucial for cutting crops during harvesting. These sharp, durable components are mounted on the cutting platform and work in conjunction with knife guards. Over time, knife blades can dull or break due to contact with rocks or tough vegetation, requiring replacement to ensure clean, efficient cutting and prevent crop loss.
The drive sprocket is a key component in the chain-driven systems of combines. It transmits power to chains that drive various mechanisms, such as the feeder or threshing system. Worn sprocket teeth can result in chain slippage or breakage, reducing operational efficiency and requiring replacement to maintain functionality.
The idler sprocket maintains proper chain tension and alignment in chain-driven systems. It ensures that the drive chain operates smoothly without excessive slack or wear. A damaged or misaligned idler sprocket can lead to chain failure and downtime, making regular inspection and replacement critical for reliable operation of the combine harvester.

As one of the leading manufacturers and wholesale distributors of aftermarket replacement parts for combine harvesters, balers, tractors, and corn heads in domestic and global markets, Raydafon has a comprehensive range of agricultural spare parts. Our product range consists of best quality aftermarket spare parts for combine harvesters such as John Deere, New Holland, Case, Claas, Welger, KMC, Amadas, Gallignani, Kubota, Laverda, MTZ, Ford, Maschio, Goldoni, Howard, BCS; which are all the world’s leading brands in the agricultural machinery industry. You can view our entire product range in detail on our product page. Our company supplies products to its local customers in whole world. Over time, it has come a long way in this field, too. Currently, our company exports its products to its valued customers in more than 50 countries in 5 continents of the world.We continue to work with all our strengths to provide the best service to our business partners with our professional human resources, strong infrastructure and customer-oriented service approach.
At Raydafon, we take pride in our superior products and excellent customer service. Here are some reasons why choosing Raydafon's forged knife guard is a smart decision:

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