Flail Mower Gearbox T-311J 1:3 Replacement of Comer Gearbox

The Flail Mower Gearbox T-311J 1:3 is a highly durable and reliable gearbox designed specifically for use in flail mowers and similar agricultural machinery. It serves as a key component in transmitting power from the mower’s PTO (power take-off) shaft to the blades or flail hammers, ensuring efficient cutting performance. This gearbox is engineered to replace the Comer Gearbox with a similar 1:3 gear ratio, making it a direct and reliable substitute for those looking to upgrade or repair their equipment without altering the original design.

Product Specifications

Model
Flail Mower Gearbox T-311J 1:3 Replacement of Comer Gearbox
Productomschrijving
Gearbox with freewheel and only applicable as accelerator in the specified direction.
Product details
  • Housing material: cast iron
  • Contact us for power at a different RPM
  • The gearbox is delivered without oil and must be filled before first use.
  • First oil change after 50-70 operating hours, then after 500-700 operating hours or at least once a year.
Application range
  • Various (agricultural) applications
  • Rotary tiller
Ratio factor
1:3
Consists of
  • Gearbox
  • Order oil separately
Max. input power
36.8 kW
Max. output power
50 HP
Connection 1 outside diameter
1-3/8 Inch
Connection 1 number of splines
6
Connection 3 outside diameter
33 mm
Gear arrangement increasing
21-22
Input shaft increasing
X
Input shaft decreasing
Z
Contains oil
No
Max. oil capacity
1,2 l
Oil SAE viscosity grade
80W-90
Weight
20.5 kg

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.

Product Dimensions

Flail Mower Gearbox T-313J Dimensions

Overview of Flail Mower Gearbox T-311J 1:3 Replacement of Comer Gearbox

The Flail Mower Gearbox T-311J 1:3 is a highly durable and reliable gearbox designed specifically for use in flail mowers and similar agricultural machinery. It serves as a key component in transmitting power from the mower’s PTO (power take-off) shaft to the blades or flail hammers, ensuring efficient cutting performance. This gearbox is engineered to replace the Comer Gearbox with a similar 1:3 gear ratio, making it a direct and reliable substitute for those looking to upgrade or repair their equipment without altering the original design.

The 1:3 gear ratio means that for every single input rotation from the PTO, the output shaft rotates three times, providing the necessary speed increase for the cutting components. Constructed from high-quality materials, the T-311J gearbox is designed to withstand heavy-duty use, high torque, and the harsh environmental conditions common in agricultural applications. It features precision-machined gears, robust bearings, and a sealed housing to protect against dirt, debris, and moisture, ensuring long-term performance and reduced maintenance needs.

Flail Mower Gearbox T-311J

Common Applications of Flail Mower Gearbox T-311J 1:3

The Flail Mower Gearbox T-311J 1:3 is an essential component in various agricultural and landscaping applications, designed to provide reliable power transmission and high-speed operation for flail mowers. Its specific 1:3 gear ratio makes it ideal for increasing rotational speed, which is crucial for driving the cutting blades or flail hammers used in heavy-duty mowing and land-clearing tasks. This gearbox is versatile and commonly employed in multiple scenarios where efficient cutting and shredding of vegetation are required.

One of the primary applications of the T-311J gearbox is in flail mowers used for agricultural field maintenance. Flail mowers are widely used to cut tall grass, weeds, and crop residue, and the gearbox ensures the blades rotate at high speeds to achieve clean and even cuts. Farmers often rely on this gearbox to manage overgrown pastures or prepare fields for planting, as it can handle heavy vegetation without clogging or stalling.

The T-311J is also commonly used in landscaping and roadside maintenance equipment. It powers flail mowers designed for clearing brush, trimming hedgerows, and maintaining roadsides or ditches. Its robust construction enables it to handle dense vegetation, small branches, and uneven terrain, making it an essential part of equipment used by municipal maintenance crews or contractors working in public spaces.

In addition, the T-311J gearbox is used in orchard and vineyard maintenance, where flail mowers are utilized to manage grass and debris between rows of trees or vines. The gearbox provides the necessary power to cut and mulch organic material, helping to maintain a clean and healthy growing environment.

Flail Mower Gearbox Applications

Benefits of Flail Mower Gearbox T-311J 1:3 Replacement of Comer Gearbox

The Flail Mower Gearbox T-311J offers several benefits that can enhance the performance and efficiency of your flail mower:

  1. Optimized Gear Ratio for High-Speed Cutting: With its 1:3 gear ratio, the gearbox increases the rotational speed of the flail mower blades or hammers, ensuring efficient and precise cutting. This optimized speed is ideal for handling dense vegetation, tall grass, and crop residue, making it suitable for a wide range of agricultural and landscaping applications.
  2. Durable and Heavy-Duty Construction: Built from high-quality materials, including hardened steel gears and a rugged housing, the T-311J gearbox is designed to withstand extreme conditions. It can handle high torque and heavy loads, ensuring reliability and durability in demanding environments such as fields, orchards, and roadside maintenance.
  3. Low Maintenance Requirements: The gearbox features a sealed housing that protects its internal components from dirt, debris, and moisture. This design minimizes wear and tear, reduces the need for frequent maintenance, and extends the lifespan of the gearbox, lowering long-term operational costs for users.
  4. Enhanced Cutting Performance: By providing consistent power transmission and high-speed output, the T-311J gearbox ensures that flail mower blades or hammers operate smoothly and efficiently. This results in cleaner cuts, better mulching of material, and improved overall performance in clearing overgrown vegetation or managing crop residue.
  5. Versatility Across Applications: The T-311J gearbox is suitable for various uses, including agricultural field work, landscaping, orchard maintenance, and land reclamation. Its adaptability makes it a valuable component for operators handling diverse tasks, ensuring consistent performance across different types of terrain and vegetation.

Flail Mower Gearbox T-311J

How to Replace a Damaged Flail Mower Gearbox T-311J

Replacing a damaged Flail Mower Gearbox T-311J in a flail mower involves several steps to ensure a smooth and successful replacement process. Here is a general guide on how to replace the damaged gearbox:

  1. Disconnect the Power Source: Before beginning the replacement process, disconnect the power take-off (PTO) shaft from the tractor to ensure no accidental power supply to the flail mower. This step is crucial to avoid injuries or damage during disassembly. Confirm that all moving parts have stopped entirely before proceeding.
  2. Remove the Damaged Gearbox: Unbolt the damaged gearbox from the flail mower by loosening and removing the mounting bolts and any securing hardware. Carefully detach the input and output shafts connected to the gearbox, ensuring not to damage the shafts or surrounding components. Take note of the arrangement for reassembly.
  3. Inspect Surrounding Components: Once the damaged gearbox is removed, inspect the surrounding components, such as the PTO shaft, blades, and mounting brackets, for wear or damage. Replace or repair any worn parts before installing the new gearbox to prevent future issues and ensure optimal performance after replacement.
  4. Align and Mount the New Gearbox: Position the replacement T-311J gearbox in place, ensuring it aligns correctly with the mounting brackets and shafts. Secure it with the appropriate bolts and tighten them evenly to avoid misalignment. Proper alignment is critical to ensure smooth operation and prevent premature wear on the gearbox or mower.
  5. Reconnect Input and Output Shafts: Attach the input shaft from the PTO and the output shaft to the mower blades or flails to the new gearbox. Ensure the connections are secure and properly aligned to avoid vibrations or power transmission issues during operation. Lubricate the shafts as needed before tightening.
  6. Test for Proper Operation: After securing the gearbox and reconnecting the shafts, reattach the PTO shaft to the tractor. Start the tractor and run the mower at low speed to test the new gearbox. Check for unusual noises, vibrations, or leaks and ensure the flail blades or hammers rotate smoothly.

Flail Mower Gearbox Applications

Agricultural PTO Shaft for Flail Mower Gearbox

The Agricultural PTO (Power Take-Off) Shaft and the Flail Mower Gearbox are essential components of agricultural machinery, working together to enable efficient power transmission and operation of flail mowers. Their connection and functionality are integral to the performance of equipment used for cutting, shredding, and clearing vegetation in fields, orchards, and other landscapes.

The PTO shaft serves as the link between the tractor and the flail mower. It transmits rotational power from the tractor’s engine to the flail mower, providing the necessary energy to operate the cutting components. The PTO shaft is designed to handle high torque and rotational speed, ensuring consistent power transfer even under heavy workloads. It typically features universal joints that allow smooth operation and flexibility, accommodating slight misalignments between the tractor and the mower.

The Flail Mower Gearbox, on the other hand, is responsible for modifying and transferring the power received from the PTO shaft. With a specific gear ratio—such as 1:3 in the case of the T-311J gearbox—it increases the rotational speed, allowing the mower’s blades or flails to spin at high velocity. This speed boost is essential for clean and efficient cutting, especially when dealing with dense vegetation or tough field conditions. The gearbox also ensures that the power is distributed evenly to the cutting components, reducing strain and enhancing durability.

The relationship between the PTO shaft and the gearbox is critical for the functionality of the flail mower. The PTO shaft delivers raw power, while the gearbox processes and optimizes it for the cutting system. Both components must be properly aligned and maintained to prevent downtime and ensure the mower operates effectively. Together, they form the backbone of flail mowing systems, enabling farmers and landscapers to manage vegetation efficiently and maintain land productivity.

Agricultural PTO Shaft for Flail Mower Gearbox

Why Choose AGKNX's Flail Mower Gearbox?

AGKNX is a prominent manufacturer of high-performance flail mower gearboxes for a variety of applications. Our gearboxes are designed to meet the needs of different agricultural settings, providing reliable and efficient performance.

Our flail mower gearboxes are a powerful replacement option for Bush Hog, Comer, Omni Gear, Land Pride, John Deere, Kodiak, Hico/Howse, and other brands of gearboxes. Our technical staff can reconfigure an existing design or assist you in designing a custom flail mower gearbox if a standard or existing design does not fit your application. Shaft rotation, speed ratio, input speed, output speed, input torque, output torque, mounting position, and the application's environment are all considerations when choosing an agricultural gearbox. If you want to buy a flail mower gearbox, please get in touch with us.

Advantages of Choosing AGKNX:

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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.

Flail Mower Gearbox Manufacturers

Additional information

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