What Is DPF Cleaning? – Kubota DPF Reconditioning

Kubota diesel particulate filter cleaning

What is DPF cleaning all about? Why is it necessary? Maybe you’ve heard the term “DPF” before but have absolutely no idea what it means or entails. This could be causing some Kubota DPF issues that you can certainly avoid.

Today, we’ll explain everything you need to know about your Kubota DPF. It’s time to learn the basics regarding the DPF cleaning procedure.

What Is DPF on a Tractor?

DPF stands for Diesel Particulate Filter. The DPF handles removing black soot (also known as particulate matter) from the exhaust gas. This way, there’s no visible smoke coming from your Kubota exhaust pipe.

The days of black smoke billowing from your engine are in the past. Since your Kubota tractor is equipped with a DPF, you’ll get full power without the pollution. You’ll experience fuel efficiency, decreased noise, and an increase in power. Kubota exceeds government standards when it comes to reducing PM, NOx, HC, and CO.

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Why Does a DPF Need Cleaning?

If your DPF goes unchecked, you could encounter problems. Ash buildup can damage your filter and reduce its lifespan. Don’t fail to schedule cleanings or adhere to the recommended maintenance schedule.

It’s important to clean the DPF. The longer you go without performing the cleaning, the more difficult it becomes to remove the soot and ash. Clean regularly, and you’ll get the maximum useful life out of your DPF.

how to regenerate a Kubota tractor

How Does a DPF System Work?

The DPF catches soot before this exhaust reaches the atmosphere. When ash and soot have collected on the DPF, it needs to be incinerated periodically. This kind of buildup within your filter can limit the exhaust flow and increase back pressure. Together, this can reduce fuel efficiency in your Kubota.

How Long Does a DPF Last?

After approximately 15 to 20 hours of Kubota operation, the DPF will require the particulate matter to be burned away. This process is called regeneration. (Note: Different operating conditions may demand different regeneration times.)

At about 3,000 hours of Kubota operation and hundreds of regeneration cycles, your DPF will reach a point of ash accumulation. The tractor then requires an off-machine type of cleaning. This ash is due to engine wear. Fuel and lubricants are also contributing factors.

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How to Regenerate a Kubota Tractor DPF

A reconditioned DPF filter is essential when it comes to your Kubota tractor. Keep reading for more information.

what is DPF?

What Is DPF Reconditioning?

Regeneration (reconditioning) involves burning away the accumulation of soot from the DPF. Kubota customers have options here. They may choose automatic regeneration. Or they may decide to delay the reconditioning until the equipment is outdoors in a non-combustible location.

How Long Does Kubota Diesel Particulate Filter Cleaning Take?

This process depends on your engine load. Regeneration usually takes around 20 minutes. Kubota equipment operation can often continue during this reconditioning time.

What’s the Difference Between Soot and Ash on a DPF?

The particulate matter causing the buildup on your filter is known as “soot.” When Kubota regeneration is complete, there will be a small portion of unburned material that remains in the DPF. This is what we call “ash.”

Regen Light Flashing?

You have two options when the DPF light on your dashboard starts flashing. When the regen light begins to blink and beep, you’ll know it’s time to recondition. The light will keep on flashing and beeping until you push one of your two options.

You may decide to press the delay button. You will do this if you are in something like a shed or an enclosed area. In this case, the tractor will not begin regeneration. It is not safe to initiate the process yet. The other option is to begin regeneration immediately. Select this if you are outdoors in a non-combustible location.

Always refer to your owner’s manual for proper and safe operation. Many owners give the following tip: when the tractor’s engine is started, press the AUTO REGEN switch. Your auto regeneration feature is now on. You are free to go about your work, and the DPF will automatically recondition. Keeping the RPM up at all times (about 1900 – 2000) will keep the engine temps high enough to aid DPF regeneration.

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The content on this site reflects my own opinions and does not necessarily reflect the views or opinions of my employer or Kubota Tractor Corporation.


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