John Deere 336 Baler Problems (In Details Solutions Included)

The John Deere 336 Baler is a widely used agricultural machine designed for hay baling. It is known for its durability, efficiency, and ability to produce high-quality bales. The baler is equipped with various features such as a twine wrapping system, a pickup reel, and a bale counter. Its compact size and ease of use make it a popular choice among farmers and ranchers.

Like any machinery, the John Deere 336 Baler is prone to certain problems that can hinder its performance and efficiency. Ignoring these problems can result in decreased productivity, increased downtime, and additional costs for repairs. Therefore, it is crucial to address these common issues promptly to ensure optimal operation and maximize the baler’s potential.

The purpose of this blog post is to delve into the specific problems that users may encounter with the John Deere 336 Baler and provide comprehensive solutions to overcome these challenges. By offering detailed guidance, troubleshooting tips, and maintenance suggestions, this blog post aims to empower baler owners to tackle these issues effectively, minimize downtime, and enhance the overall performance of their equipment.

Common Problems with the John Deere 336 Baler

Problem 1: Twine breakage during baling process

Possible causes of twine breakage

  • Improper tension adjustment: Inadequate or excessive tension on the twine can lead to breakage. This can be caused by incorrect settings or worn-out tension springs.
  • Worn or damaged twine disc or twine knotter: Over time, the twine disc and twine knotter may experience wear and tear, resulting in rough surfaces or misaligned parts that can cause twine breakage.
  • Twine threading issues: Improper threading of the twine through the baler can cause it to snag or get tangled, leading to breakage during the baling process.

Detailed solutions to prevent twine breakage

  • Tension adjustment: Ensure proper tension adjustment according to the recommended settings provided by the manufacturer. Regularly check and adjust the tension springs if necessary.
  • Inspection and maintenance: Regularly inspect the twine disc and twine knotter for any signs of wear or damage. Replace worn-out or damaged parts to prevent twine breakage.
  • Proper twine threading: Follow the baler’s user manual instructions to correctly thread the twine through the baler. Pay attention to any twisting or entanglement and ensure smooth and even threading.

Read more: John Deere 338 Baler Problems: (In Details Solutions Included)

Problem 2: Uneven bale formation

Causes of uneven bale formation

  • Uneven feeding of material: Inconsistent feeding of hay or forage into the baler can result in uneven distribution within the bale, leading to uneven bale formation.
  • Uneven pressure distribution: Irregular pressure exerted on the bale chamber can cause uneven compression and formation of the bale.
  • Incorrect timing of twine wrapping: If the twine wrapping process is not synchronized properly with the bale formation, it can result in uneven wrapping and bale shape.

Step-by-step solutions to ensure consistent bale formation

  • Proper feeding techniques: Ensure a consistent and steady flow of material into the baler. Avoid overloading or underloading the baler, as this can lead to uneven bale formation.
  • Adjusting chamber pressure: Optimize the bale chamber pressure by adjusting the density control settings according to the type of material being baled. This helps achieve uniform compression and consistent bale formation.
  • Synchronize twine wrapping: Adjust the timing of the twine wrapping mechanism to ensure it aligns accurately with the formation of the bale. This helps in achieving evenly wrapped bales.

Problem 3: PTO shaft issues

Common PTO shaft problems

  • Misalignment: Improper alignment of the PTO shaft with the tractor can cause excessive vibrations, leading to premature wear and damage.
  • Lack of lubrication: Insufficient lubrication of the PTO shaft and its components can result in increased friction and potential failures.
  • Damaged or worn-out components: Worn-out universal joints, couplings, or other PTO shaft components can affect the overall performance and reliability.

Troubleshooting tips and solutions for PTO shaft issues

  • Alignment check: Regularly inspect the alignment of the PTO shaft with the tractor’s PTO output. Make necessary adjustments or use alignment tools to ensure proper alignment.
  • Lubrication maintenance: Follow the manufacturer’s guidelines for lubricating the PTO shaft and its components. Regularly grease the universal joints and other moving parts to reduce friction and wear.
  • Component inspection and replacement: Periodically inspect the PTO shaft components for signs of wear or damage. Replace any worn-out or damaged parts promptly to avoid further problems.

By addressing these common problems with the John Deere 336 Baler, users can ensure smooth operation, improve efficiency, and prolong the lifespan of the equipment. Regular maintenance, proper adjustments, and prompt troubleshooting are essential in maximizing the baler’s performance and achieving consistent bale quality.

Read more: John Deere 332G Problems (And Solutions)

Solutions to Enhance Baler Performance

Regular maintenance and lubrication

Importance of proper maintenance

Regular maintenance is crucial for maintaining the optimal performance of the John Deere 336 Baler. It helps prevent potential problems, extends the lifespan of the equipment, and ensures safe operation. Neglecting maintenance can result in decreased productivity, increased downtime, and costly repairs.

Essential maintenance tasks for the John Deere 336 Baler

  • Cleaning: Regularly remove debris, hay residue, and dust from the baler’s components, including the pickup reel, bale chamber, and knotters. Use compressed air or brushes to clean hard-to-reach areas.
  • Inspection: Perform routine visual inspections of the baler for signs of wear, loose or damaged parts, and potential issues. Check the belts, chains, sprockets, and bearings for any signs of damage or excessive wear.
  • Lubrication: Proper lubrication is essential to reduce friction and wear on moving parts. Follow the manufacturer’s guidelines for lubricating the baler, including the pickup reel, knotters, chains, and bearings. Use the recommended lubricants and grease points to ensure smooth operation.
  • Belt and chain tension: Regularly check and adjust the tension of belts and chains to ensure proper operation. Loose belts or chains can result in slippage, affecting the baler’s performance.
  • Knotter maintenance: Pay special attention to the twine knotter mechanism. Clean the knotter, remove any twine residue, and inspect for wear or damage. Replace worn-out parts and adjust the knotter settings as needed.

Adjusting and calibrating the baler

Key adjustments for optimal performance

  • Bale density: Adjust the density control mechanism according to the type of material being baled. This ensures consistent bale density and prevents over-compression or under-compression.
  • Twine tension: Proper twine tension is crucial for effective bale wrapping and preventing twine breakage. Adjust the twine tension control to achieve the desired tension, ensuring secure bale wrapping without excessive strain on the twine.
  • Pickup reel height: Adjust the pickup reel height to optimize the feeding of material into the baler. Set it at the appropriate level to ensure smooth and consistent material pickup.

Calibration process to ensure accurate bale weight and density

  • Weighing system calibration: If your John Deere 336 Baler is equipped with a weighing system, calibrate it regularly to ensure accurate bale weight readings. Follow the manufacturer’s instructions for the calibration process.
  • Bale size calibration: To ensure consistent bale size and weight, periodically measure the bale dimensions and compare them to the desired specifications. Make adjustments to the baler settings as needed to achieve the desired bale size.

Upgrading and replacing worn-out parts

Identification of worn-out components

Regular inspection of the baler will help identify worn-out or damaged components. Look for signs of excessive wear, cracks, bending, or malfunctioning parts. Common components that may require replacement include belts, chains, sprockets, bearings, twine discs, and knotter parts.

Options for upgrading and replacing parts to improve performance

  • Genuine parts: When replacing worn-out components, it is recommended to use genuine John Deere parts. These parts are specifically designed for the baler, ensuring compatibility and optimal performance.
  • Upgraded components: In some cases, there may be upgraded or improved versions of certain parts available. Upgrading to these components can enhance the baler’s performance and reliability.
  • Professional assistance: If you are unsure about replacing certain parts or upgrading components, consult with a qualified technician or contact your local John Deere dealer for guidance and support.

By implementing these solutions to enhance baler performance, users can ensure the reliable operation of their John Deere 336 Baler. Regular maintenance, proper adjustments, and timely replacement of worn-out parts will result in improved efficiency, increased productivity, and extended equipment lifespan.

Read more: John Deere 332 Problems and Troubleshooting Tips

Troubleshooting Guide for Additional Issues

Problem 4: Baler jams frequently

Common causes of baler jams

  • Overloaded pickup: If the pickup area of the baler is overloaded with hay or forage, it can lead to jams as the material cannot flow smoothly through the baler.
  • Misaligned pickup or feeder forks: If the pickup or feeder forks are not properly aligned, they may not effectively guide the material into the bale chamber, resulting in jams.
  • Twine entanglement: Twine that is not properly threaded or has excess slack can get tangled in the baler, causing jams.
  • Worn or damaged components: Worn-out or damaged parts such as belts, chains, or bearings can lead to misalignment or irregular movement, contributing to frequent jams.

Step-by-step troubleshooting guide to resolve jams

  • Stop the baler: When a jam occurs, immediately disengage the PTO and stop the baler to prevent further damage.
  • Clear the jammed material: Carefully remove the jammed material from the baler. Use appropriate tools and follow safety precautions to avoid injury.
  • Check and adjust pickup and feeder forks: Ensure that the pickup and feeder forks are aligned and functioning properly. Make any necessary adjustments or repairs.
  • Verify twine threading: Double-check the twine threading process to ensure it is correctly threaded through the baler. Remove any entangled or slack twine.
  • Inspect and replace worn-out components: Examine belts, chains, bearings, and other components for signs of wear or damage. Replace any worn-out or damaged parts to prevent future jams.

Problem 5: Hydraulic system malfunctions

Understanding hydraulic system problems

  • Insufficient hydraulic fluid: Low hydraulic fluid levels or leaks can cause the hydraulic system to malfunction, resulting in poor performance or complete failure.
  • Contaminated hydraulic fluid: If the hydraulic fluid becomes contaminated with dirt, debris, or water, it can negatively affect the system’s operation and lead to issues.
  • Faulty hydraulic valves or cylinders: Malfunctioning valves or cylinders can cause improper hydraulic flow, leading to erratic or insufficient operation of the baler’s hydraulic functions.

Troubleshooting tips and solutions for hydraulic system issues

  • Check hydraulic fluid levels: Ensure that the hydraulic fluid reservoir is at the recommended level. If low, add the appropriate hydraulic fluid as specified in the baler’s manual.
  • Inspect for leaks: Thoroughly inspect the hydraulic system for any signs of leaks, such as visible fluid on hoses or connectors. If leaks are detected, identify and repair them promptly.
  • Replace hydraulic filters: Regularly replace hydraulic filters as recommended by the manufacturer to prevent contamination and maintain optimal hydraulic system performance.
  • Clean or flush the hydraulic system: If the hydraulic fluid appears contaminated, consider flushing or changing the fluid to remove any dirt, debris, or water that may be affecting the system’s operation.
  • Check and repair faulty components: If the hydraulic system continues to malfunction, inspect the hydraulic valves, cylinders, and other components for any faults or damage. Replace or repair any faulty parts to restore proper operation.

By following this troubleshooting guide, users can effectively address additional issues that may arise with the John Deere 336 Baler. Timely identification of the problem, careful troubleshooting steps, and appropriate repairs or adjustments will help minimize downtime and keep the baler operating smoothly. If unsure or unable to resolve the issues, consult with a qualified technician or seek assistance from a John Deere dealer.

Read more: John Deere 329E Problems: Causes and Solutions


In conclusion, the John Deere 336 Baler is a reliable agricultural machine widely used for hay baling. However, like any equipment, it can encounter common problems that need to be addressed to ensure optimal performance. In this blog post, we have explored the common problems associated with the John Deere 336 Baler and provided detailed solutions to overcome these challenges.

We discussed the issue of twine breakage during the baling process and offered solutions such as proper tension adjustment, inspection, and maintenance of twine disc and knotter, as well as ensuring proper twine threading. For the problem of uneven bale formation, we highlighted causes such as uneven feeding and pressure distribution and provided step-by-step solutions involving proper feeding techniques, adjusting chamber pressure, and synchronizing twine wrapping.

Additionally, we addressed PTO shaft issues and provided troubleshooting tips and solutions, including alignment checks, lubrication maintenance, and component inspection and replacement.

To enhance baler performance, we emphasized the importance of regular maintenance and lubrication, along with essential tasks such as cleaning, inspection, lubrication, belt and chain tension adjustment, and knotter maintenance. Adjusting and calibrating the baler were discussed, highlighting key adjustments for optimal performance and the calibration process for accurate bale weight and density. We also mentioned the option of upgrading and replacing worn-out parts to improve performance.

Furthermore, we provided a troubleshooting guide for additional issues, including frequent baler jams and hydraulic system malfunctions. We identified common causes and presented step-by-step solutions and troubleshooting tips to resolve these problems.

By implementing the solutions discussed in this blog post, users can enhance the performance of their John Deere 336 Baler, minimize downtime, and improve productivity. Regular maintenance, proper adjustments, timely replacement of worn-out parts, and effective troubleshooting are essential for maximizing the baler’s reliability and longevity.

In conclusion, with the right maintenance and troubleshooting practices, the John Deere 336 Baler can continue to be a dependable and efficient tool for hay baling operations, ensuring high-quality bales and contributing to successful farming and ranching endeavors.

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