86521590 Double Knife Guard for New Holland Combine Harvester
Product Specifications
Application | Fits for New Holland Header: 12HS, 14HS, 16HS, 18HS, 84C, 86C |
SKU | CA0441 |
Reference Code | 86521590,86615983,86553346,87018588 |
Manufacturer | EVER-POWER Group |
Brand | |
Weight | 0.72KG |
Finishing | Painting Yellow Color or Red or Natural or OEM |
Packing | Carton packing or wooden box packing |
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.
Overview of 86521590 Double Knife Guard for New Holland Combine Harvester
The 86521590 Double Knife Guard is a high-quality accessory designed for New Holland combine harvesters. This knife guard is compatible with New Holland Header models: 12HS, 14HS, 16HS, 18HS, 84C, and 86C. It is manufactured by EVER-POWER Group, a trusted name in the industry.
The 86521590 Double Knife Guard is known for its exceptional features and functionality. It is made from durable materials that ensure long-lasting performance in demanding agricultural conditions. The guard is designed to protect the cutting knife and prevent damage, ensuring efficient and smooth harvesting operations.
This knife guard is essential for farmers using New Holland combine harvesters. It provides added safety by reducing the risk of accidents during harvesting. With its precise fit and reliable construction, the 86521590 Double Knife Guard offers peace of mind to farmers, allowing them to focus on their work without worrying about equipment failure.
Whether you are harvesting crops in the field or working in challenging terrains, this knife guard is built to withstand the rigors of agricultural operations. Its versatility and compatibility with multiple New Holland Header models make it a valuable investment for farmers.
For convenient storage and transportation, the 86521590 Double Knife Guard can be packed in a carton or wooden box, ensuring its safety during shipping. It is available in different finishing options, including painting in yellow, red, natural, or OEM colors, allowing farmers to choose the most suitable option for their specific requirements.

Function of 86521590 Double Knife Guard for New Holland Combine Harvester
The 86521590 Double Knife Guard is a vital component of the New Holland Combine Harvester. The primary function of this accessory is to protect the knife from damage and minimize the risk of any potential accidents.
During the harvesting process, the combine harvester's knife is exposed to various obstacles such as stones, debris, and uneven terrain. Without the protection of a knife guard, the knife can easily become damaged or blunt, reducing its efficiency and increasing the risk of accidents.
The 86521590 Double Knife Guard for the New Holland Combine Harvester offers a solution to these problems. The knife guard is designed to cover the knife completely, shielding it from potential hazards and preventing any damage. The double guard design provides an additional layer of protection, ensuring that the knife remains sharp and efficient throughout the harvesting process.
Furthermore, the knife guard enhances the efficiency of the combine harvester. By protecting the knife, it reduces downtime for maintenance and repairs, allowing the harvester to operate at maximum efficiency. The guard also helps to increase the lifespan of the knife, minimizing the need for frequent replacements and reducing costs.
In conclusion, the 86521590 Double Knife Guard for the New Holland Combine Harvester is a critical accessory that plays a significant role in ensuring the smooth and efficient operation of the harvester. Its primary function is to protect the knife from potential hazards, minimizing the risk of accidents and reducing downtime for maintenance and repairs. The double guard design enhances the efficiency of the harvester and helps to increase the lifespan of the knife.

Benefits of 86521590 Double Knife Guard for New Holland Combine Harvester
The 86521590 Double Knife Guard is an essential component of the New Holland Combine Harvester, offering several key advantages in agricultural harvesting operations. This component plays a crucial role in ensuring the efficiency and effectiveness of the combine harvester. Let's explore the main benefits of this part in detail:
- Enhanced Cutting Performance: The 86521590 Double Knife Guard is specifically designed to improve the cutting performance of the combine harvester. With its sturdy construction and precision engineering, this guard ensures clean and accurate cuts, resulting in increased productivity and reduced crop loss.
- Improved Safety: Safety is of utmost importance in agricultural machinery. This knife guard provides an additional layer of protection by preventing accidental contact with the sharp cutting components. It helps minimize the risk of injury to the operator and maintains a safe working environment.
- Extended Durability: The 86521590 Double Knife Guard is built to withstand the demanding conditions of agricultural harvesting. It is made from high-quality materials that offer excellent durability and resistance to wear and tear. This ensures a longer lifespan for the guard, reducing the need for frequent replacements and maintenance.
- Easy Installation and Maintenance: This knife guard is designed for easy installation and maintenance. It can be easily fitted onto the combine harvester without any complicated procedures. Routine maintenance tasks, such as cleaning and lubrication, can also be performed with ease, saving valuable time during harvesting seasons.
- Optimized Crop Flow: The design of the 86521590 Double Knife Guard promotes smooth crop flow through the combine harvester. It prevents clogging and blockages, ensuring continuous and uninterrupted harvesting operations. This leads to improved efficiency and reduced downtime.
- Compatibility and Versatility: The 86521590 Double Knife Guard is specifically designed for New Holland Combine Harvesters, ensuring perfect compatibility and seamless integration with the machine. It is a versatile component that can be used in various harvesting conditions and with different crop types, making it a reliable choice for farmers.

How to Replace a Damaged 86521590 Double Knife Guard for New Holland Combine Harvester
Replacing a damaged 86521590 Double Knife Guard for a New Holland Combine Harvester can be a daunting task, but with the right tools and knowledge, it can be a straightforward process. Here are the steps to follow:
1. Gather the necessary tools and equipment: You will need a wrench, pliers, a rubber mallet, a replacement knife guard, and a safety glove.
2. Turn off the engine and disconnect the power: Before beginning any work, ensure that the combine harvester's engine is turned off, and the power is disconnected.
3. Locate the damaged knife guard: Inspect each knife guard carefully and locate the damaged one.
4. Remove the damaged knife guard: Use pliers to remove the bolts securing the damaged knife guard and remove the guard from the combine harvester. If the bolts are rusted or difficult to remove, apply a rust penetrant and wait for a few minutes before trying again.
5. Install the new knife guard: Install the new knife guard in the same position as the old one and use the bolts to secure it in place. Use a torque wrench to tighten the bolts to the recommended torque specification.
6. Check the knife guard alignment: After installing the new knife guard, ensure that it is properly aligned with the other knife guards. Check the clearance between the knife and guard to avoid any rubbing of the knife edge.
7. Test the combine harvester: Turn on the engine and test the combine harvester to ensure that the new knife guard is functioning correctly.
8. Clean up: Clean up the work area and dispose of the damaged knife guard properly.
Replacing a damaged 86521590 Double Knife Guard for a New Holland Combine Harvester is a crucial maintenance task that should be done regularly to avoid any accidents or breakdowns during harvest. With these steps, you can replace a damaged knife guard and keep your combine harvester functioning optimally.

Other Replacement Combine Harvester Parts for New Holland
1. Idler Pulley:
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.
2. Drive Pulley:
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.
3. Gears:
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.
4. Drive Shaft:
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.
5. Drive Hub:
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.
6. Knife Blade:
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.
7. Drive Sprocket:
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.
8. Idler Sprocket:
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.

Why Choose EVER-POWER's Forged Knife Guard?
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, EVER-POWER 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 EVER-POWER, we take pride in our superior products and exceptional service. Here's why you should choose our forged knife guard:
- Quality Products: Our products are crafted with precision and high-quality materials to ensure durability and performance. We adhere to stringent quality standards, ensuring each part meets the demands of rigorous agricultural operations.
- Wide Range of Products: We offer an extensive selection of aftermarket spare parts for leading agricultural machinery brands. Our diverse product range meets the varied needs of farmers and businesses worldwide.
- Competitive Prices: We provide top-quality products at competitive prices, offering exceptional value without compromising on quality. Our efficient manufacturing and strategic partnerships help keep costs low.
- Excellent Customer Service: Customer satisfaction is our priority. Our dedicated team is ready to assist with inquiries, orders, and technical support. We focus on building long-term relationships through personalized service and expert advice.
- Fast Delivery: We understand the importance of timely delivery in agriculture. Our efficient logistics network ensures that orders are delivered promptly, minimizing downtime during critical operations.
- Customization Products: We offer tailored solutions by welcoming customer specifications and designs. Provide drawings or samples, and our expert team will create customized parts to meet your unique needs, ensuring optimal performance.

Additional information
| Edited | Yjx |
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Product Quick Detail:
- Standard and non-standard available
- With high quality and competitive price
- Prompt delivery
- Packing as per customer’s demand.
We promise will offer the best price by the high quality in china! We also accept special order about the products. If you are interested in our products. Please do not hesitate to let us know.We are pleased to give you the detailed information.We promise that our products would be safety and were in high quality and reasonable price. If you are interested in our products, please contact us asap.We are sincerely looking for your cooperation.
Most of our products are exported to Europe or Americas, both standard and nonstandard products available. We can produce as per your drawing or sample. Material can be standard or as per your special request. If you choose us, you choose reliable.

Materials Available
1. Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420
2. Steel:C45(K1045), C46(K1046),C20
3. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40)
4. Bronze: C51000, C52100, C54400, etc
5. Iron: 1213, 12L14,1215
6. Aluminum: Al6061, Al6063
7.OEM according to your request
Surface Treatment
Annealing, natural canonization, heat treatment, polishing, nickel plating, chrome plating, zinc plating,yellow passivization, gold passivization, satin, Black surface painted etc.
Processing Method
CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly
QC & Certificate
Technicians self-check in production,final-check before package by professional Quality inspector
ISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009
Package & Lead Time
Size: Drawings
Wooden Case/Container and pallet, or as per customized specifications.
15-25days samples. 30-45days offcial order
Port: Shanghai/Ningbo port





