7 Common John Deere 855 Problems and Their Solutions

Proud owners of the dependable John Deere 855, we know just how essential this trusty workhorse is to maintaining our lush green paradises. It’s been our faithful companion in taming unruly lawns, plowing through fields, and helping us get the job done.

However, like any piece of machinery, even our beloved John Deere 855 is not immune to the occasional hiccup.

A sunny morning, the birds chirping, and the smell of freshly cut grass in the air. You hop on your John Deere 855, ready to tackle your gardening tasks with enthusiasm. But then, it happens – a sputter, a stall, or perhaps an ominous noise from under the hood. Panic sets in as you wonder, “What’s going on?”

Fear not, dear fellow gardener, for we’ve been there too. In fact, we’ve faced and conquered a slew of common problems that can plague the John Deere 855. We understand how frustrating it can be when your trusty companion falters, and that’s why we’re here to share our experiences and the solutions we’ve discovered along the way.

In this comprehensive guide, we’ll dive deep into the heart of the John Deere 855, exploring the most frequent issues you might encounter. Whether it’s engine troubles, electrical woes, transmission hiccups, or any other headache-inducing gremlins, we’ve got your back.

We’ll provide step-by-step, easy-to-follow solutions that will have your John Deere 855 purring like a contented cat in no time.

But wait, there’s more! We’ll also offer preventative maintenance tips to help you keep your trusty tractor in peak condition. After all, an ounce of prevention is worth a pound of cure, and we want to ensure your gardening experience remains smooth and trouble-free.

So, dear reader, if you’ve ever found yourself scratching your head while gazing at your John Deere 855, wondering how to solve those pesky problems, fret not.

We’re here to help you navigate these challenges and get your trusty green machine back on track. Let’s roll up our sleeves and dig into the world of John Deere 855 troubleshooting together!

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Common John Deere 855 Problems

Problem 1: Engine Starting Issues

Causes:

• Stale fuel: One common cause of engine starting issues is using stale fuel. Over time, gasoline can deteriorate and become less effective, making it difficult for the engine to start.
• Faulty starter motor: A malfunctioning starter motor can prevent the engine from cranking, resulting in starting problems.
• Clogged air filter: A clogged air filter restricts the airflow to the engine, affecting its ability to start and run smoothly.

Solutions:

1. How to properly store fuel:
   • Use a fuel stabilizer: Adding a fuel stabilizer to your gasoline can prolong its shelf life and prevent it from becoming stale.
   • Store fuel in a cool, dry place: Keep your fuel containers away from direct sunlight and moisture to maintain fuel quality.
   • Use fresh fuel: If your tractor has been sitting idle for a while, consider draining the old fuel and replacing it with fresh gasoline.
2. Diagnosing and fixing starter motor issues:
   • Check the battery: Ensure the battery is in good condition and fully charged. Weak or dead batteries can mimic starter motor problems.
   • Inspect electrical connections: Loose or corroded connections can disrupt the flow of electricity to the starter motor. Clean and tighten connections as needed.
   • Test the starter motor: If other electrical components are functioning correctly, it may be necessary to diagnose and replace a faulty starter motor.
3. Steps to clean or replace the air filter:
   • Locate the air filter housing: Consult your tractor’s manual to find the air filter housing, usually located under the hood.
   • Remove and inspect the air filter: Take out the air filter and check for dirt and debris. If it’s dirty, you can either clean it (if it’s a reusable filter) or replace it with a new one.
   • Reassemble and test: Put the air filter back in place, secure the housing, and try starting the engine again.

Problem 2: Overheating

Causes:

• Low coolant levels: Inadequate coolant levels can lead to overheating as the engine doesn’t receive proper cooling.
• Damaged radiator: A damaged or clogged radiator cannot effectively dissipate heat, causing the engine to overheat.
• Clogged cooling system: Over time, debris and contaminants can accumulate in the cooling system, obstructing coolant flow and causing overheating.

Solutions:

1. Checking and maintaining coolant levels:
   • Allow the engine to cool: Never check coolant levels when the engine is hot to avoid burns.
   • Locate the coolant reservoir: Check your tractor’s manual to find the coolant reservoir, often marked with a “coolant” label.
   • Add coolant: If levels are low, add a mixture of coolant and water to the reservoir, following the manufacturer’s recommendations.
2. Inspecting the radiator for damage:
   • Visual inspection: Examine the radiator for visible damage, such as cracks, leaks, or bent fins.
   • Clean the radiator: Remove dirt and debris from the radiator’s exterior using a brush or compressed air.
   • Repair or replace: Depending on the extent of damage, consider repairing or replacing the radiator to prevent further overheating.
3. How to flush and clean the cooling system:
   • Drain the coolant: Follow the tractor’s manual to safely drain the old coolant.
   • Flush the system: Use a radiator flush solution to remove contaminants and buildup from the cooling system.
   • Refill with fresh coolant: Once the system is clean, refill it with the recommended coolant mixture.

Problem 3: Hydraulic System Problems

Causes:

• Hydraulic fluid leaks: Leaking hydraulic fluid can result from damaged hoses, seals, or connections.
• Slow or unresponsive hydraulics: This issue can stem from low hydraulic fluid levels or internal problems within the hydraulic system.

Solutions:

1. Locating and fixing hydraulic fluid leaks:
   • Visual inspection: Look for signs of hydraulic fluid leakage, such as puddles or wet spots under the tractor.
   • Identify the source: Trace the leak to its source, which could be a damaged hose, seal, or connection.
   • Repair or replace: Fix the damaged component, whether it’s a hose, seal, or connection, to stop the leak.
2. Troubleshooting and repairing slow hydraulics:
   • Check hydraulic fluid levels: Ensure the hydraulic fluid reservoir is filled to the recommended level.
   • Inspect the hydraulic pump: A malfunctioning pump can lead to slow hydraulics. Check for damage and proper operation.
   • Bleed air from the system: Air in the hydraulic system can cause sluggish performance. Follow the tractor’s manual to bleed air from the system.
3. Proper maintenance for a healthy hydraulic system:
   • Regular checks: Inspect the hydraulic system regularly for any signs of wear, leaks, or damage.
   • Fluid replacement: Change the hydraulic fluid and filters at the recommended intervals.
   • Lubrication: Keep all hydraulic components properly lubricated to prevent premature wear and tear.

Problem 4: Electrical Issues

Causes:

• Dead battery: A dead or weak battery can prevent the tractor’s electrical system from functioning.
• Faulty alternator: An alternator that’s not charging the battery can lead to electrical problems.

Solutions:

1. How to jump-start a dead battery:
   • Safety precautions: Ensure the tractor is in neutral and the ignition is off before attempting to jump-start.
   • Connect jumper cables: Attach the positive (red) cable to the dead battery’s positive terminal, then connect the other end to the booster vehicle’s positive terminal. Connect the negative (black) cable to the booster vehicle’s negative terminal and attach the other end to a ground on the dead tractor (not the battery).
   • Start the booster vehicle: Start the booster vehicle and let it run for a few minutes to charge the dead battery.
   • Attempt to start the tractor: After a few minutes, try starting the tractor. If it starts, let it run to charge the battery further.
2. Testing and replacing a faulty alternator:
   • Test the alternator: Use a multimeter to check the alternator’s voltage output while the engine is running. It should read within the specified range.
   • Replace the alternator: If the alternator is not charging the battery properly, it may need to be replaced. Follow your tractor’s manual for instructions on removing and replacing the alternator.

Problem 5: Transmission Troubles

Causes:

• Slipping gears: Transmission slipping can be caused by worn clutch plates or other internal issues.
• Grinding noises: Grinding noises in the transmission can indicate problems with gears, bearings, or synchronizers.

Solutions:

1. Diagnosing transmission issues:
   • Listen for noises: Pay attention to any unusual grinding or whining noises when shifting gears.
   • Check for slipping: If the transmission slips out of gear or has trouble staying in gear, it’s a sign of a problem.
   • Consult a professional: Transmission issues can be complex, so it’s often best to consult a qualified mechanic or technician for diagnosis.
2. Steps to address slipping gears:
   • Check the clutch: A worn clutch can lead to slipping gears. Inspect and replace the clutch plates if necessary.
   • Examine the gear linkage: Ensure the gear linkage is functioning correctly and that gears engage smoothly.
   • Adjust the clutch: If the clutch pedal feels loose or engages too late, you may need to adjust the clutch linkage.
3. Dealing with grinding noises in the transmission:
   • Transmission fluid: Check the transmission fluid level and condition. Low or contaminated fluid can cause grinding noises.
   • Synchronizers and bearings: Grinding can also be caused by damaged synchronizers or bearings. A professional should inspect and replace these components if needed.

Problem 6: PTO (Power Take-Off) Problems

Causes:

• PTO not engaging: The power take-off may fail to engage due to mechanical or electrical issues.
• PTO not disengaging: A PTO that doesn’t disengage can pose safety risks and cause damage to equipment.

Solutions:

1. Troubleshooting PTO engagement issues:
   • Inspect the PTO switch or lever: Ensure the PTO engagement control is in the correct position.
   • Check for electrical issues: Examine the wiring and connections related to the PTO engagement system. Repair or replace any damaged components.
   • Lubricate moving parts: Apply appropriate lubrication to moving parts of the PTO system to ensure smooth engagement.
2. Fixing problems with PTO disengagement:
   • Release tension gradually: If the PTO won’t disengage, gradually release the PTO control while the engine is running. This may help it disengage.
   • Inspect the PTO clutch: The PTO clutch may be worn or damaged and need replacement. Consult your tractor’s manual for guidance on replacing the clutch.

Problem 7: Steering Difficulties

Causes:

• Stiff steering: Stiff steering can result from problems with the steering linkage, hydraulic system, or tires.
• Unresponsive steering: If the steering feels unresponsive, it can be due to issues with the hydraulic system or steering components.

Solutions:

1. How to address stiff steering:
   • Check tire pressure: Ensure that the tires are properly inflated to the recommended pressure. Under-inflated tires can make steering difficult.
   • Lubricate steering components: Apply appropriate lubrication to the steering linkage and components to reduce friction and stiffness.
   • Inspect the hydraulic system: If the hydraulic system is not delivering adequate power to the steering, it may need maintenance or repairs.
2. Diagnosing and fixing unresponsive steering:
   • Check hydraulic fluid levels: Low hydraulic fluid levels can cause unresponsive steering. Top up the fluid to the recommended level.
   • Bleed the hydraulic system: Air in the hydraulic system can affect steering responsiveness. Follow your tractor’s manual to bleed the system.

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Maintenance Tips for Prolonged Efficiency

1. Regular Checks

a) Oil changes and why they’re essential

• The importance of routine oil changes: Explain why regular oil changes are crucial for maintaining engine health and efficiency.
• Recommended oil types and intervals: Provide specific information on the type of oil to use and how often it should be changed based on the manufacturer’s recommendations.
• DIY oil change steps: Offer a step-by-step guide on how tractor owners can perform oil changes themselves, including safety precautions and disposal of used oil.

b) Importance of cleaning the mower deck regularly

• Why a clean mower deck matters: Highlight the impact of a clean deck on cutting performance and overall power efficiency.
• Step-by-step cleaning process: Explain how to properly clean the mower deck, including removing clippings, and debris, and preventing rust.
• Frequency of cleaning: Recommend how often tractor owners should clean their mower decks based on usage and environmental conditions.

2. Seasonal Care

a) Preparing your John Deere 855 for winter storage

• Why winter storage prep is essential: Discuss the risks of improper storage and the benefits of preparing the tractor for winter.
• Steps for winterization: Provide a checklist of tasks to complete before storing the tractor for the winter, such as fuel treatment, battery maintenance, and protecting exposed metal surfaces.
• Proper storage location: Offer advice on where to store the tractor during the winter months, including considerations for shelter and security.

b) Tips for starting up after a long idle period

• Challenges after long periods of inactivity: Explain common issues that can arise when a tractor has been idle for an extended time, such as stale fuel and lubrication concerns.
• Steps to safely restart: Provide a step-by-step guide on how to prepare the tractor for use after a period of inactivity, including fuel system priming and checking vital components.
• Test and inspection checklist: Offer a list of key areas to inspect and test before resuming regular tractor operation.

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Features

• Strong and efficient engine
• Compact and maneuverable size
• Hydrostatic transmission for smooth operation
• Four-wheel drive for enhanced traction
• Front-end loader compatibility
• Three-point hitch system for attachments
• Comfortable operator station with ergonomic controls
• Multiple power take-off (PTO) options
• Hydraulic system to power various implements
• Rugged and durable construction
• High ground clearance for rough terrain
• Easy-access maintenance points
• Adjustable seat and steering column
• High-capacity fuel tank for extended operation
• Reliable and renowned John Deere quality

Specifications

• Engine power: 24 hp/17.9 kW
• Transmission: Hydrostatic
• Drive: 4-wheel drive
• PTO options: Multiple available
• Hitch system: 3-point hitch
• Loader compatibility: Yes
• Hydraulic system: Yes
• Fuel capacity: 6.6 gal/25.0 L
• Weight: 1790 to 1870 pounds
• Tires: Front tire: 4.00×15, 2WD Rear tire: 9.5×16
• Steering: Power steering
• Brakes: Wet disc brakes

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Frequently Asked Questions (FAQs)

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Conclusion:

In conclusion, regular maintenance and troubleshooting are of paramount importance when it comes to owning and operating a John Deere 855 tractor. By adhering to a routine maintenance schedule and addressing potential issues promptly, tractor owners can ensure the longevity, efficiency, and reliability of their machines.

Regular maintenance, such as oil changes, cleaning the mower deck, and hydraulic system checks, not only extends the lifespan of the tractor but also ensures it operates at peak performance. It prevents costly breakdowns and downtime, ultimately saving time and money in the long run.

Moreover, troubleshooting skills are valuable for quickly identifying and addressing problems before they escalate. By understanding common issues and their solutions, tractor owners can keep their equipment running smoothly and avoid costly repairs.

We strongly encourage our readers to perform routine checks and adhere to the recommended maintenance schedules outlined in their tractor’s manual. It’s a proactive approach that pays dividends in terms of both performance and safety. Additionally, don’t hesitate to seek professional help when needed. Experienced technicians can diagnose and resolve complex issues efficiently, ensuring the tractor’s continued operation and your peace of mind.

Remember, a well-maintained John Deere 855 tractor is not just a piece of machinery; it’s an investment in productivity and reliability that will serve you well for years to come. So, take care of your tractor, and it will take care of you.