Update M6s-111 thought would throw this out there in case someone else is having same problem , after 7 people from Kubota and 4 of the best mechanics around still won't start , the 2 sensors that Kubota said to replace didn't do anything, like my last guy said there's something telling this tractor not to start , it's come down to no one from Kubota was ever taught to work on these just keep replacing parts ! We have come to conclusion with everything else gone through it's either the main computer or a sensor we are missing ! I am in Cedar Hill Mo , if anyone thinks they can fix it let me know , thanks Mike !
m6s-111 need help
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UPDATE , well after 3 more techs guess going to plant flowers on it ! Last guy told me no one taught them how to work on Kubota tractors so there trying to fix as they come , I find it hard to believe in this day and age a company could sell something for that much and no one knows how to fix it , just in case someone has the same problem your screwed !!
Coming to this thread for the first time. The thing that isn't clear to me, is did the tractor ever run out of oil? I see that you had a light (but no idea what the light was), and it was after an oil change. But if it ran out of oil, then presumably when you turned it off and checked the oil, it was low on oil?
How old is the machine? Is it in warranty?
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I don’t think you are going to get any answers out of him. He refused to answer any questions when originally starting this thread when people were trying to help him, only attacked them for asking questions. Wanted help but refused to give information. I suspect that he knows it was operator error that caused this but instead is trying to bash Kubota and the dealer technicians
Yes it ran low on oil and shit down it self , could still see it on dip stick , new oil and filter , the red warning light was on for maybe 15 min , it's a 2018 with about 270 hours it's been sitting since Jan of this year , there are many questions about the warranty! Thanks Mike
My view would be that if you can still see oil on the dipstick, and only 15 seconds of engine light, then there's no reason to think it'd have run a bearing. It may have, but it's not a given.
If it cranks then that's another reason to think it's not locked up, although no guarantee. Also if you've had dealers look at it I'd presume they can tell just by listening to it if a bearing's gone.
Diesels are conceptually very simple engines. No spark plugs and therefore no spark needed. If they crank and they have fuel they should at least fire. You say it's cranking. That really leaves fuel delivery as the problem. As you say, there may be a fuel cutout, there may be other things going on.
Someone competent to do so could crack then injectors and add a gauge and/or other diagnostic technique to see if it's delivering fuel into the cylinders. If it's not, then you have a clear path of enquiry - it's not delivering fuel, there's a limited number of things that can cause that.
If it is delivering fuel (and if it's not firing, you should also be able to tell that from a strong diesel smell in the exhaust I'd assume - you might have to remove the DPF to smell that), then you're down to:
- no air. Weird, but I guess something could be wrong with the air cleaner. Someone put it back together backwards or something
- no compression. Again, something big has to go wrong to have no compression, and weird to have no compression on all the cylinders at the same time - it should still fire on three cylinders if one is busted
- it's not really cranking, or not cranking fast enough, and you're not experienced enough to notice. Most people would notice straight away if it's cranking but doesn't sound right - but if you're not really a tractor guy maybe it's cranking slowly / partially seized, and you're not recognising it
If I lived in the USA I'd give you $10K for it and take it off your hands. I find it very hard to believe it cannot be fixed.
I might just sell it to you if you did live here , have had 5 computers hooked up to New sensors , sensors checked again , fuel pressure checked 3 times , they just want to start replacing parts and I refuse to do it , seen what's happened and not good , last guy that was here made it sound like it really wanted to start , everything sounds normal just wouldn't start . Apparently there is a mother computer that most the dealers can't get , why don't know but that is suppose to tell you everything that's wrong , cause there Lao tops don't tell you anything, it really sucks that a company like Kubota won't stand behind there product and it's 2 months out of warranty! I bought it because I don't have long to live and was trying to make my life easier , boy did that back fire !
If it's two months out of warranty now, it was 4 months in warranty when you first posted. Why was it not a warranty claim at that point then? I can understand there's a potential low oil problem, but if the low oil caused the problem then Kubota would demonstrate that by saying "your bearings are shot" or "you've fried something." I assume those aren't the case, because if they were they'd have just told you that. If they can't demonstrate that the reason it's not running is the low oil issue, then it must be something else broken with the machine.
The mechanics that you've had look at it - are any of them from the dealer that the tractor was originally sold from, or are they non-Kubota mechanics? My impression of Kubota is that they're normally pretty good with warranty issues, so I'd have to assume there's something more to this that is unstated - if you have a tractor that doesn't run and it's not because it ran out of oil, then it must be something else broken and that'd be Kubota's problem normally on an in-warranty machine.
Or was it out of warranty already at the time of the oil incident? In which case, I can see why they'd deny it being their problem - the machine was fine for the length of warranty, then you had an oil incident, now the machine doesn't work, why would that be their problem?
Yes 4 of the people who have looked were dealership service techs, all different , it was 2 months out when i posted its been sitting since feb 2021 and no the dealership I bought it from wouldnt even come out and look < All I said was it was out of warranty by 2 months, I was told something like this is they they would cover, I am good with it being out of warranty just tell me whats wrong and fix it, just dont start replacing parts, thats all I ever asked !