John Deere 4720 Problems

The john deere 4720 can have several problems, including transmission issues and hydraulic system malfunctions. The john deere 4720 is a powerful tractor used for various agricultural and industrial purposes.

However, like any other machine, it is not perfect and may encounter various problems. Some of the common problems associated with the john deere 4720 include transmission issues, hydraulic system malfunctions, engine problems, and electrical problems. These issues can affect the performance of the tractor and result in downtime, loss of income, and costly repairs.

This article aims to explore some of the common john deere 4720 problems and provide useful tips on how to troubleshoot and fix them.

Common Problems Faced By John Deere 4720 Owners

John deere 4720 is a powerful and reliable tractor that has gained a loyal following among farmers and agricultural workers. However, like any machine, it’s not immune to technical problems. In this section, we’ll be discussing the common problems that john deere 4720 owners often face.

Specifically, we’ll be focusing on engine-related and hydraulic system-related issues.

Engine-Related Issues

The engine is the heart of the john deere 4720, and any issues related to it can severely impact the tractor’s performance. Here are some key points to keep in mind if you are experiencing engine-related problems:

  • Low compression is a common issue that can cause poor engine performance. It’s usually caused by worn-out pistons, rings, or valves.
  • Another common problem is a faulty injector, which can result in reduced power, increased fuel consumption, and poor acceleration.
  • Overheating is another issue that can cause severe damage to the engine. It can be caused by a variety of factors, including low coolant levels, a damaged radiator, or a malfunctioning thermostat.
  • Finally, contaminated fuel can lead to injector problems, fouled spark plugs, and reduced fuel efficiency.

Hydraulic System-Related Issues

The hydraulic system is responsible for powering the tractor’s various components, including the loader, backhoe, and three-point hitch. Here are the common hydraulic system-related problems you should know about:

  • One common issue is hydraulic fluid leaks, which can lead to reduced performance, overheating, and damage to the hydraulic components.
  • Another common problem is a faulty hydraulic pump, which can cause slow or jerky movements of the tractor’s components.
  • Contaminated hydraulic fluid can also cause problems, such as clogged filters and damaged hydraulic components.
  • Finally, a faulty hydraulic control valve can cause the tractor’s components to malfunction or not work at all.

The john deere 4720 is a reliable and durable tractor, but it’s not immune to technical problems. If you are experiencing any of the aforementioned issues, it’s important to address them promptly to ensure the consistent performance of your tractor.

Preventive Maintenance Tips For John Deere 4720

John deere 4720 is a reliable tractor, but like any other machine, it requires proper maintenance to operate effectively and efficiently. In this post, we will go over some preventive maintenance tips for the john deere 4720 that can help reduce the risk of problems and keep your tractor in excellent condition.

Regular Engine Maintenance

The engine is the heart of the tractor, and without it, the machine is of no use. That is why it’s essential to perform regular engine maintenance to ensure the tractor performs optimally. Here are some engine maintenance tips:

  • Check the coolant level and condition regularly.
  • Change the engine oil and filter after every 200 hours of use.
  • Replace the air filters after every 500 hours of use.
  • Inspect and replace any worn or damaged belts and hoses.
  • Ensure that the battery terminals are clean and properly connected.

Regular Updates And Software Maintenance

John deere frequently releases software updates to enhance tractor performance and correct any errors. Failing to update your tractor can cause it to malfunction and eventually lead to severe problems. Here are some software maintenance tips:

  • Install any software updates released by john deere as soon as possible.
  • Check for any warning signs displayed on your tractor’s monitor and take immediate action.
  • Regularly check connections and wiring to prevent damage from rats and pests.

Regular preventive maintenance is essential to keep your john deere 4720 running smoothly and avoid any problems. Please note that these tips do not substitute for the regular routine maintenance that is documented and recommended by john deere. Use these recommendations alongside the manufacturer’s advice for the best results.

Expert Tips For Troubleshooting John Deere 4720

John deere 4720 is a powerful tractor that is widely used in different farming operations. However, like any other machinery, it can experience breakdowns, which, if not well handled, can escalate into serious problems. Troubleshooting john deere 4720 requires an expert approach that involves identifying the source of a problem, taking necessary measures to fix it, and preventing future occurrences.

In this blog post, we’ll provide expert tips for troubleshooting john deere 4720.

Troubleshooting And Problem Identification

Before fixing any problem, you need to identify what’s causing it. Here are some common problems that john deere 4720 might experience and their possible causes:

  • Engine failure: This can result from low oil pressure, a clogged fuel filter, or a broken fuel pump.
  • Electrical malfunctions: Connections to the battery or alternator may be loose or corroded, causing the engine to stop running.
  • Hydraulic system problems: This may be caused by low fluid levels, a clogged filter, air in the system, or a broken hydraulic pump.
  • Transmission problems: This can be due to low fluid levels, burnt clutches, a slipping fan belt, or contamination of the fluid.

Dealing With Common Breakdowns

After identifying the problem, you need to take the necessary measures to fix it. Here are some tips for dealing with common breakdowns:

  • Engine failure: Check the oil level and quality, replace clogged fuel filters or a broken fuel pump.
  • Electrical malfunctions: Inspect connections, clean or replace corroded or loose ones to ensure proper running of the engine.
  • Hydraulic system problems: Check fluid levels and quality, replace worn-out filters, and remove air from the system.
  • Transmission problems: Inspect fluid levels, replace burnt clutches, adjust fan belts, and remove fluid contamination.

In addition, here are some preventive measures to ensure that your john deere 4720 operates smoothly:

  • Regular maintenance: Regularly change the oil, filters, hydraulic fluids, and check the drive belts for damage.
  • Proper storage: Store the tractor in a dry, clean area to prevent corrosion and protect it from adverse weather conditions.
  • Professional assistance: For complex issues, always seek the assistance of a qualified mechanic to diagnose and fix the problem.

Dealing with john deere 4720 breakdowns requires expert knowledge and an understanding of the machine’s mechanics. With the tips provided you can prevent future breakdowns and ensure that your john deere 4720 runs smoothly and efficiently.

Frequently Asked Questions

What Are Common Issues With John Deere 4720?

Common issues with john deere 4720 are overheating, engine problems, wheel bearing issues, and ac malfunctions.

How Do I Troubleshoot John Deere 4720 Overheating?

To troubleshoot john deere 4720 overheating, check the coolant levels, inspect the radiator for blockages, and monitor fan and water pump performance.

What Causes John Deere 4720 Engine Problems?

Dirty air filters, clogged fuel injectors, and worn-out oil filters are common causes of john deere 4720 engine problems.

How Do I Fix John Deere 4720 Wheel Bearing Issues?

To fix john deere 4720 wheel bearing issues, replace the damaged bearings and check for any damage to the hub or rotor.

Why Isn’T The Ac Working In My John Deere 4720?

A faulty compressor, refrigerant leak, or wiring issues may be the reason why the ac is not working on your john deere 4720. Get it checked by a professional technician.


After thoroughly analyzing all the common john deere 4720 problems that have been reported, it is safe to say that this model comes with its share of drawbacks. But knowing these drawbacks and their possible solutions can aid in preventing downtime and keeping up with the routine maintenance schedule.

One of the major issues is the hydrostatic transmission, which can lead to reduced performance if not handled properly. Also, the improper aligning of hydraulic filters can cause contamination, leading to decreased pressure and inconsistent performance. The wiring harness and weak fuel filters can also cause issues, so it’s important to undertake regular maintenance to minimize problems.

While the john deere 4720 is a competent machine, it comes with its fair share of challenges. However, proper maintenance and attention to detail can help mitigate these issues, allowing you to enjoy its reliable performance for years to come.

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