Particulate filter

[LouNY]

Owners with no dpf problems are without a doubt the silent majority.

Let's change that just a bit;
Owners with DPF problems are the silent majority.

A few mostly "minor" issues on others tractors, usually sensor issues. Sometimes easy to rectify.

 

[Shawn T. W.]

While a sensor may be "easy" to replace ... Depending on where the engineers decided to put it/them ... It will take a computer hooked up to it with the appropriate software to figure out which one is the "problem child" ... Or all of them could just be changed!

But, what if it's not the sensor that's actually at fault ... Maybe a wire connector is bad? Or the computer goes on permanent vacation? Or the sensors are RIGHT and the DPF is actually FULL!

Regen on the vehicles don't get it perfectly "clean" ... There is an ultra fine ash that it does not get burnt out, and that builds up ... On my big truck engines, we send them back to Kenworth to clean them ... Not sure if the little tractor ones are "cleanable" or if it's a replacement ... Be interesting what happens with the above M62 ...

 

[dmantt99]

My M62 has been repaired and returned to me. The bill from the dealer was $3039.17, which includes $270 in pickup/delivery fees, making the actual repair cost $2769.17.

The filter was sent out for cleaning and inspection. Fortunately, it was not damaged and could be reused. The cleaning fee from Kubota was $875. Labor was over 12 hours. Various seals, gaskets etc made up the remainder.

They did not determine why the meter showed the PM percentage at 30% when, in reality, it was at 100%. The previous regens may not have been cleaning the filter as much as the system thought they were.

The entire system software had to reinstalled, and some part of it actually had to be reprogrammed by Kubota.

The recommendation I got re: the filter is to have it cleaned every 5 years regardless of hours.

The only good news out of this is that the filter was reusable. The bill would have been double if the filter actually needed to be replaced.

 

[Suburban Plowboy]

This sounds fantastic. Run at over 2,000 instead of 1,500. Burn more fuel. Faster engine wear. Then they charge you $875 just to clean the filter. And if it's $875 today, it will be $1,500 in 5 years.

 

[walnutman]

Rippoff

 

[Shawn T. W.]

My 2020 M62, which I bought new in April 2020, has been out of service for 3 weeks with a DPF failure. Just over 500 hours on it

The recommendation I got re: the filter is to have it cleaned every 5 years regardless of hours.

So roughly budget $500 per year for PM of the DPF ... And your tractor was out of commission sitting at a dealership for 2 months ...

I'm glad so far I decided to go with an older used tractor ...

I understand that some, maybe even most get much more than 500 hours before any problems, and it seems to be that part/most of your problem was some kind of computer glitch, yet they they still recommended service/cleaning the filter every 5 years ...

 

[Thunder chicken]

I have an M7060, 1000hrs, 8yrs, no issues with the emission system.
It regens more with light work, and colder temps of winter. Ive ran this machine around at both low rpms and higher rpms and it does not change the fuel burn enough to notice. There is a fuel burn display on the dash to watch.
The machine feels happier to me at a higher rpm, like 22-2300.
Amount of load on the engine effects the fuel burn and is very noticable.
My father has a 40ish hp Branson with a DOC, not a dpf. He likes to idle around. His DOC (no computers involved, its basically a fancy cataylic converter) will plug up, the 2 sensors involved are simply pressure switches that trigger a light on the dash, same symbol as the kubota regen...... he then needs to drive around, under load, to make enough exhaust heat so the DOC filter will self clean.
I had a DPF system on a VW TDI. It never caused me issues (many have though) but since its been on the shelf, its been very problem free. That option exists for most of our tractors too, in certian countries at least. That car got me 63mpg on the last tank of fuel, running the speed limit.