Kubota Regeneration Problems And How To Fix?

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Kubota Regeneration Problems

Kubota Regeneration Problems And How To Fix?

There are two distinct problems of regeneration which are as follows.

(1) Active Regeneration

(2) Passive Regeneration

(1) Active Regeneration

Kubota engineers developed active regeneration technology to solve the problems with passive regeneration. If the duty cycle doesn’t make the exhaust temperatures high enough, the DPF’s pressure sensors can tell if soot is building up. So, there needs to be active regeneration.

In this process, the soot burns when it fills up about 40% to 45% of a filter. This is because the soot makes the engine run hotter, which causes the soot to burn.

This feature was added because tractor drivers usually can only go up to the speed limit needed for passive regeneration because they have too much to do.

(2) Passive Regeneration

Passive regeneration is a way to get particles in diesel particulate filters to break down (DPF). The passive regeneration process is easy, and since it only needs a few parts, it is portable and easy to set up.

But that kind of regeneration happens during run time. When your tractor gets hot while running, it’s made so that all the soot particles within the filter are burned off immediately.

In this situation, it’s important to remember that an engine’s temperature only gets high when it’s going fast.

Whenever the motor works at a temperature of more than 350 degrees Centigrade, passive regeneration happens, which burns off the soot whereas the tractor has been moving.

Usually, you have to go faster than the speed limit of between 60 and 70 km/h, but Kubota tractors rarely reach this speed.

Common Problems with Regeneration and How to Fix Them

The two most common things that go wrong with regeneration. They include:

Sensor failure

Short Distance Drives

Dirty DPF

Clogged Filter

Insufficient oil

(1) Sensor failure

Problems with regeneration can be caused by a broken sensor, which tells the engine to start passive or active regeneration.

This happens because when a sensor breaks, the continuous cycle of the regeneration process stops, which could cause the engine to freeze.

(2) Short Distance Drives

Driving a machine for just a small distance without letting the engine cool down can cause reaeration problems. You can put this off outside or keep the machine running while it recharges.

(3) Dirty DPF

You can experience difficulty if you don’t check your DPF. Ash buildup could shorten the life of your filter and damage it. Remember to schedule deep cleaning or follow the maintenance plan given to you.

(4) Clogged Filter

Kubota tractors can have trouble regenerating for several reasons. Soot builds up faster inside the machine when the engine isn’t working hard, and the RPMs are high.

Check the oil throughout your Kubota tractor often to avoid problems like this. If the indicator for regeneration blinks on and off, the filter may be clogged. In this case, the filter might need to be replaced or cleaned.

(5) Insufficient oil

Another possible cause of this problem is that the engine doesn’t have enough oil. Because the process of “regeneration” won’t start until you add more oil to the engine if it has less than a quarter of its maximum amount.

How to Fix?

There are some things humans can do to stop the problem of regeneration. Here are just a very few of them:

  1. You can use chemicals to clean your filters if they are clogged.
  2. Go to the tractor maintenance facility to remove all the trash by hand.
  3. It is important to clean the DPF. The longer you wait to clean, the harder it is to eliminate the soot and ash. By keeping the DPF clean regularly, you can make it last longer.
  4. Only a specific amount of oil needs to be added to the engine. Good oil is a must if you want the engine to last as long as possible. Due to this, you must verify the oil quality you’re using. If it’s not good, think about switching.
  5. After a lot of regens, the filter may become clogged with soot residue and need to be replaced or cleaned by a professional.

The Difference Between Active vs Passive Regeneration

Passive regeneration is indeed a way of cleaning that doesn’t require the operator to do anything. When there’s too much soot, the exhaust filter may need to be cleaned actively.

The tractor should be run where it will make the least amount of soot over time. Because of this, the amount of cleanup that needs to be done may go down. Also, operators should know that a high load on the engine keeps the engine clean.

PTO also makes it so that things can be cleaned less often. In the finish, low engine load and high RPMs make soot build up faster inside Kubota equipment. In every case, operators should be prepared for active regeneration.

How Do You Force Regen a Kubota Tractor?

If someone’s Kubota tractor doesn’t regenerate on its own, you can force it to do so by hand. A diesel particulate filter will be cleaned by going through this process. To do a manual regeneration, you need to do the following:

1) Park this same Kubota tractor on a flat surface and set a parking brake. Stop the car and take the key out.

2) Find the switch for manual regeneration.

Most of the time, this switch is near an instrument panel in the tractor’s cab. 3) Move the toggle to the “Regen” position. The engine could well start up on its own and start the regeneration process.

The engine could run rough during this time because it burns off surplus black smoke in the filter. 4) Just let the engine keep running until it turns off on its own. Depending on the amount of soot accumulated in the filter, it can take up to 30 minutes.

When it’s done, put the switch back where it was and begin your tractor as you normally would.

What Majority of the Users Feel?

Unfortunately, many people who own Kubota tractors say that sometimes the regeneration indicator continues flashing, even though it is supposed to stop once the tractor starts the regeneration process.

Normal regeneration is risky because it often causes the car to use more gas and heat nearby parts, which can cause problems.

People who are using Kubota are upset by the problems it has with regenerating. Most of them were upset that the DPF was clogged. Even if they get a new DPF, the problem will remain.

Some of them take the DPF out to clean it by hand, but it still gets clogged. And cleaning by hand is also hard.

What Do You Do When Your Kubota Regen Light Comes On?

A Kubota Regen light means the DPF filter requires cleaning. Regeneration cleans the filter of soot and ash, restoring its effectiveness. Manual and automatic DPF regeneration are possible.

Vehicle operators must do manual regeneration. Manual DPF regeneration requires a high idle speed and no engine loads (such as air conditioning, lights, etc.). The driver must then select “Regenerate” on the dashboard.

This will burn off the DPFfilter’s soot and ash. Once started, the manual regeneration procedure can take up to 30 minutes. Automatic regeneration occurs while driving.

The engine’s computer monitors exhaust gas temperature or DPFfilter pressure differential to determine automatic regeneration.

Automatic regeneration increases the engine’s idling speed to burn off soot and ash from the filter. Automatic regeneration can occur without operator involvement. However, there exist conditions.

The vehicle must travel 15 miles on level ground without engine loads.

If not, manual regeneration must be done. Keeping your Kubota’s DPF filter clean is crucial. Manual or automatic regeneration shouldn’t be done when needed because it strains the engine.

Kubota Tractor Diesel Particulate Filter (DPF) Regen Process

Kubota Parked Regeneration

Kubota Parked Regeneration helps the environment. This system uses biomass (leaves, grass, etc.) to create energy. This technique reduces greenhouse gas emissions & improves air and water quality.

Kubota Regeneration Problems FAQs

(1) How much time does it take a Kubota to regenerate?

Regenerating usually takes about 20 minutes. Most of the time, this reconditioning period doesn’t affect how Kubota equipment works.

(2) Can You Delete Regen on a Kubota Tractor?

Turning off the Regen function on the Kubota tractor is impossible. A Regen function is required for the engine’s emission control system. It helps to cut down on harmful emissions.

(3) How long does it take to clean the Kubota diesel particulate filter?

How well this method works depends on how much your engine is doing. Most of the time, regeneration takes less than 20 minutes. During this reconditioning time, Kubota equipment can often still be used.

(4) How Long Does a Regen Take on a Kubota?

A Kubota tractor’s regen can take anywhere from 30 to 60 minutes. In this process, the engine idles at a higher speed, and the exhaust temperature is raised between 1,200 and 1,500 degrees Fahrenheit. This clears the DPF filter of any soot built up on it.

(5) How Does DPF Reconditioning Work?

Regeneration is burning off the soot that has built up in the DPF. Here, Kubota buyers have a few options. There is the option of automatic regeneration. Reconditioning could also wait until the equipment has been out front and away from things that could catch fire.

Final Words

➡ As a conclusion to today’s topic, I agree with what several forums have said about the Kubota tractor. But it’s a well-known tractor.

➡ Keeping up with DFP maintenance and cleaning might help your problem temporarily. I hate to say it, but that isn’t the best answer.

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