Kubota Regeneration

[LouNY]

I would expect that if someone were to get serious with multi-meters and oscilloscopes it wouldn't be to hard to come up with some sensor work arounds,
with that done open up and gut a dpf or run a bar through it.
Most sensors are millivolt or resistance units.

 

[5030]

I would expect that if someone were to get serious with multi-meters and oscilloscopes it wouldn't be to hard to come up with some sensor work arounds,
with that done open up and gut a dpf or run a bar through it.
Most sensors are millivolt or resistance units.

I would expect you are correct but instead of running a bar / pipe through it (like we used to do with cats back in the day), open the housing and physically remove the DPF cannister (it's a complete removable assembly) and put it on a shelf just in case you decide to sell the unit at a later date. Unlike cats of old, where the converter was a welded in part of the exhaust system, the DPF cannister is removable for cleaning.

 

[LouNY]

I haven't looked at many of the tractor units, but the 1500 RAMs are not easily removable;

some people have apparently opened these up cleaned them out and rewelded the can so it will pass a visual inspection :cool2:

 

[5030]

Looks like the RAM is a total replacement but then it's gas (correct?) not diesel so soot isn't an issue. On big trucks, the DPF cannister is removable for cleaning so I'd assume the tractors are as well. Not owning one, I don't have first hand knowledge so I'm assuming. I do know that Kubota says the life of the DPF is 2100-2300 regenerations before cleaning / replacement. In reality, that is around 3000 meter hours so I don't see many owners attaining the hour figure unless they are using them in an ag setting like I do but mine are both pre-tier 4 final engines anway.

 

[5030]

Pretty easy to do a delete re-program on a big truck but getting caught bears a hefty fine.

 

[LouNY]

Looks like the RAM is a total replacement but then it's gas (correct?) not diesel so soot isn't an issue. On big trucks, the DPF cannister is removable for cleaning so I'd assume the tractors are as well. Not owning one, I don't have first hand knowledge so I'm assuming. I do know that Kubota says the life of the DPF is 2100-2300 regenerations before cleaning / replacement. In reality, that is around 3000 meter hours so I don't see many owners attaining the hour figure unless they are using them in an ag setting like I do but mine are both pre-tier 4 final engines anway.

No it's the little V6 eco-diesel 3.0 liter.

 

[JimR]

I would expect you are correct but instead of running a bar / pipe through it (like we used to do with cats back in the day), open the housing and physically remove the DPF cannister (it's a complete removable assembly) and put it on a shelf just in case you decide to sell the unit at a later date. Unlike cats of old, where the converter was a welded in part of the exhaust system, the DPF cannister is removable for cleaning.

The Kioti inner DPF can be removed to be cleaned and could be removed to alleviate it. Removing the differential sensor on top of the DPF will alleviate the ECU from calling for a regen cycle. The only other sensors that I know of is the two emission sensors. One is at the intake side of the DPF. The other is under the turbo. Someone will find a way to delete these soon enough. I know what problems that I am going through just trying to get my tractor fixed under warranty. Wait until yours has no more warranty and the dealer wants thousands of dollars to fix your tractor. I'm starting to think that these systems are inferior for what they are supposed to do. In the end the real losers will be the owners, not the manufacturers.

 

[RickB]

Deleting doesn’t eliminate the need for an elaborate wiring harness and ECU. So long as those components are required, end users will be saddled with high repair bills post-warranty.

 

[SDT]

Deleting doesn’t eliminate the need for an elaborate wiring harness and ECU. So long as those components are required, end users will be saddled with high repair bills post-warranty.

Bingo, Rick.

SDT

 

[JimR]

Deleting doesn’t eliminate the need for an elaborate wiring harness and ECU. So long as those components are required, end users will be saddled with high repair bills post-warranty.

If the tractor is not calling for a regen you don't need expensive wiring harnesses and ECU's. The tractor will just keep running like there is no problem. I was told that all I needed to do was remove the differential sensor and keep running my machine because it tricks the ECU into thinking that there is no problem. Unfortunately my CEL had already been triggered and the tractor put into limp mode. So I had to bring it back to the dealer for the 3rd time in 8 weeks for the same problem. I did mis-read your above post. I agree that the expensive harnesses and all the electronics is a PITA. Eventually it will come back
to bite us in the butt, not the manufacturers.