H153719 Knife Guard for John Deere Combine Harvester
The H153719 Knife Guard is a crucial component used in John Deere combine harvesters, designed to protect and support the cutting mechanism within the header assembly. This knife guard is compatible with models 1450 CWS/WTS and 1550 CWS/WTS, as well as a number of John Deere Headers, including 614R, 615R, 616 Rigid, 616R, 618R, 620R, 622R, 625R, 630R, 900 Rigid & Flex, 900 Series, RA16, RA18, RA20, RA22, RA25, and RA30. This knife guard is responsible for shielding and guiding the sickle sections (or cutter bar) as they move back and forth during the cutting process.
Product Specifications
| Application | John Deere Combine Harvester: 1450 CWS/WTS, 1550 CWS/WTS |
| John Deere Header: 614R,615R,616 Rigid,616R,618R,620R,622R,625R,630R,900 Rigid & Flex, 900 Series, RA16, RA18,RA20,RA22,RA25,RA30 | |
| SKU | H153719 |
| Reference Code | H153719 |
| Manufacturer | EVER-POWER Group |
| Brand | EVER-POWER |
| Weight | 0.593KG |
| Finishing | Painting Green Color or Galvanize or OEM |
| Packing | Carton or Wooden box or Iron Box |
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 H153719 Knife Guard for John Deere Combine Harvester
The H153719 Knife Guard is a crucial component used in John Deere combine harvesters, designed to protect and support the cutting mechanism within the header assembly. This knife guard is compatible with models 1450 CWS/WTS and 1550 CWS/WTS, as well as a number of John Deere Headers, including 614R, 615R, 616 Rigid, 616R, 618R, 620R, 622R, 625R, 630R, 900 Rigid & Flex, 900 Series, RA16, RA18, RA20, RA22, RA25, and RA30.
This knife guard is responsible for shielding and guiding the sickle sections (or cutter bar) as they move back and forth during the cutting process. This ensures precise and efficient cutting of crops like wheat, soybeans, and other grains, while preventing damage to the cutting components caused by debris or uneven terrain. Constructed from durable, high-strength materials, the H153719 Knife Guard is engineered to withstand the rigors of heavy agricultural use, including exposure to dirt, rocks, and plant residue. The design typically includes two or more prongs that protect the cutting edges while allowing crops to enter the cutting area seamlessly.
This guard not only helps extend the lifespan of the sickle sections but also minimizes downtime during harvest by preventing mechanical failures. It is an essential part of the combine harvester's header, contributing to overall performance, efficiency, and reliability during harvesting operations. Farmers rely on its robust design to maintain productivity in the field.
Function of H153719 Knife Guard for John Deere Combine Harvester
The H153719 Knife Guard plays a vital role in the operation of John Deere combine harvesters, specifically within the cutting mechanism of the header assembly. Its primary function is to protect, guide, and stabilize the sickle sections (or cutter bar) as they perform the critical task of cutting crops during the harvesting process. This component is essential for ensuring efficient, precise, and uninterrupted cutting of crops like wheat, soybeans, barley, and other grains, even in challenging field conditions.
One of the key functions of the H153719 Knife Guard is to protect the sickle sections from external damage. The knife guard is designed to shield the sickle sections from debris, such as rocks, dirt, and other foreign objects that can be encountered in the field. Without this protection, the sickle sections could become chipped, bent, or otherwise impaired, leading to reduced cutting efficiency and costly downtime for repairs. The guard also provides a stable housing for the sickle sections, ensuring they remain properly aligned during operation. This alignment is crucial for maintaining clean, even cuts, which ultimately affects crop yield and quality.
The H153719 Knife Guard also serves as a guide for the sickle sections as they reciprocate (move back and forth) to cut the crops. Its precisely engineered design allows the sickle sections to move smoothly within the guard, minimizing friction and wear. The guard ensures that the sickle sections maintain consistent contact with the crop material, which is essential for achieving clean, efficient cuts. Additionally, the guard’s pronged design helps direct the flow of crops into the cutting area, improving the overall cutting performance.

Benefits of H153719 Knife Guard for John Deere Combine Harvester
The H153719 Knife Guard for John Deere Combine Harvesters offers several key benefits that contribute to the efficient operation and longevity of the harvesting equipment:
- Enhanced Protection for Sickle Sections: The H153719 Knife Guard shields the sickle sections from potential damage caused by rocks, debris, or other foreign objects in the field. By acting as a protective barrier, it reduces the risk of chipping, bending, or breakage, ensuring the cutting components remain functional and effective throughout the harvesting process.
- Improved Cutting Precision: This knife guard ensures proper alignment of the sickle sections, enabling clean and precise cuts of crops. Its design minimizes crop loss by reducing uneven or incomplete cutting. This precision directly contributes to higher crop yield quality, as the plants are cut cleanly and efficiently during harvesting.
- Extended Equipment Lifespan: By protecting the sickle sections and reducing wear and tear, the H153719 Knife Guard increases the longevity of both the guard itself and the cutting components it supports. This durability minimizes frequent replacements, saving farmers time and money on maintenance and part replacements.
- Efficient Crop Flow: The pronged design of the knife guard helps guide crops into the cutting area, ensuring a smooth and continuous flow. This efficiency prevents clogging or jamming in the cutting mechanism, which can cause delays or damage to the harvester during demanding harvesting tasks.
- Resistance to Harsh Conditions: Built from high-quality, durable materials, the H153719 Knife Guard is designed to withstand exposure to dirt, moisture, and abrasive plant residues. Its corrosion-resistant properties ensure reliable performance, even in tough environmental conditions, making it a dependable component for long-term use.
- Optimized Harvester Performance: The knife guard enhances the overall efficiency and reliability of the combine harvester. By ensuring smooth operation of the cutting mechanism, it allows the machine to work at optimal speed and capacity, boosting productivity during the critical harvesting season.

How to Replace a Damaged H153719 Knife Guard for John Deere Combine Harvester
Replacing a damaged H153719 Knife Guard for a John Deere Combine Harvester is a relatively straightforward process that can be completed by following these steps:
- Inspect the Knife Guard and Adjacent Components: Carefully examine the damaged knife guard to assess the extent of the damage. Check for any wear or damage to adjacent components, such as the sickle sections or bolts. Identifying additional issues during inspection will help you address them promptly and avoid further mechanical problems after the knife guard is replaced.
- Remove the Damaged Knife Guard: Using the appropriate tools, such as a wrench or socket set, loosen and remove the bolts or fasteners holding the damaged knife guard in place. Carefully slide the guard off the header assembly, taking note of its orientation and position to ensure the new guard is installed correctly.
- Clean the Mounting Surface: Before attaching the new knife guard, clean the mounting surface thoroughly to remove any dirt, debris, or rust. This ensures a secure fit and prevents uneven wear or misalignment after installation. A clean mounting surface also helps improve the durability and performance of the new knife guard.
- Install the New H153719 Knife Guard: Position the new knife guard in the same orientation as the one you removed. Align the mounting holes and secure the guard in place using the appropriate bolts or fasteners. Tighten them evenly to the manufacturer’s specified torque to ensure a snug and stable fit without over-tightening.
- Inspect and Align the Sickle Sections: After installing the new knife guard, check the alignment of the sickle sections to ensure they move smoothly within the guard. Proper alignment is critical for efficient cutting and to prevent premature wear on the sickle sections or the knife guard itself.
- Test the Cutting Mechanism: Reconnect the power to the header and start the combine harvester to test the cutting mechanism. Observe the operation of the new knife guard and ensure the sickle sections move freely and cut cleanly. Address any unusual noise, vibration, or misalignment immediately.

Other Replacement Combine Harvester Parts for John Deere
A combine harvester is a complex machine with various moving parts working together to harvest crops. Each component plays a critical role in ensuring efficient and effective harvest. In addition to the H153719 Knife Guard for John Deere Combine Harvester, there are several other replacement parts that are essential to maintain the optimal performance of the machine:
1. Chain Sprockets:
Chain sprockets are crucial in transferring power within a combine harvester’s drive system. They engage with chains to drive various components, such as conveyors and feeder mechanisms. Made from durable materials, they are designed to withstand high stress and wear, ensuring efficient power transmission and minimizing downtime.
2. Drive Pulleys:
Drive pulleys are essential for transmitting rotational motion and power through belts to different parts of the harvester. They help maintain tension and alignment, ensuring smooth operation. Properly functioning drive pulleys reduce slippage and mechanical stress, contributing to the overall efficiency and longevity of the machine.
3. Idler Pulleys:
Idler pulleys maintain belt tension and alignment in multiple systems within the combine. These pulleys minimize vibrations and belt slippage, ensuring smooth operation. High-quality replacement idler pulleys extend the lifespan of belts, prevent breakdowns, and contribute to the efficient functioning of the harvester.
4. Gears:
Gears in a combine harvester are integral for transferring and modifying power and speed between components. They are precisely machined to ensure seamless engagement and smooth operation. Different gear configurations allow the harvester to adapt to various operational demands, enhancing performance and fuel efficiency.
5. Drive Shaft:
The drive shaft is a key component that transmits torque and rotation from the engine to various parts of the harvester. It must be robust and precisely balanced to handle high rotational speeds and power loads. A well-maintained drive shaft ensures efficient power delivery and reduces mechanical wear.
6. Knives:
Knives are critical in the cutting mechanism of a combine harvester, responsible for slicing through crops. They must be sharp and durable to ensure clean cuts, which facilitate efficient threshing and separation. Regular maintenance and sharpening of knives are necessary to maintain optimal cutting performance and reduce crop damage.
7. Concaves:
Concaves work with the threshing cylinder to separate grain from the crop material. They are designed with specific spacing and curvature to optimize threshing efficiency for different crops. Adjusting the concave settings allows for better grain separation, reducing losses and improving the quality of the harvested product.
8. Augers:
Augers are used to move grain and other materials within the harvester. They are spiral-shaped and rotate to efficiently convey materials from one part of the machine to another. Properly functioning augers ensure smooth material flow, preventing bottlenecks and enhancing the overall productivity of the harvesting process.

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.
Here are the advantages of choosing EVER-POWER:
- 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





