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Tractor Talk Discussion Forum

Low-sulphur diesel

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Jeffro123

08-04-2007 15:43:43




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I have heard that all diesel is now the low-sulphur type and that it can ruin the injectors in older engines. I have an old (but still in great shape) kubota L210. I am worried that the new fuel could mess up the injectors. Should I use an upper-cylinder lube (like the one Lucas makes) to prevent problems. Will this really do any good? I just would like to get as much use out of this machine as possible...
-Thanks
-Jeffro

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djm75

08-06-2007 03:59:44




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 Re: Low-sulphur diesel in reply to Jeffro123, 08-04-2007 15:43:43  
If your worried about it and if you can get it I suggest using biodiesel. bio has better lubricity than sulfur ever did and its good for the environment and the farmer.



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RodInNS

08-05-2007 19:21:54




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 Re: Low-sulphur diesel in reply to Jeffro123, 08-04-2007 15:43:43  
Dump the ULSD in the tank and stop thinking about it. Burn it and pay for it.
That's all I've been doing since over a year when the local bulk plant switched over, and I haven't had a single problem with any fuel system on anything I'm running.
I do occassionally run some Howes power cleaner through them, but otherwise, no additives, and I'm not worried about it. On the other hand I do rather enjoy the lower sulfur buildup in the engine oil from the reduced sulfur in the fuel.... That could extend engine oil change intervals; an actual meaningful benifit.

Rod

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John M

08-05-2007 08:04:42




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 Re: Low-sulphur diesel in reply to Jeffro123, 08-04-2007 15:43:43  
Ya know, me and another poster got a little bashed on here a few months back about there wasnt a probelm with the ULSD, now seems everyone is finally agreeing with us.I do like the bio suggestion.Ive been running B20 and all I can say is that since i began running it over a year ago, my mileag has gone up, thats right UP! It was suppose to lower it,by the "experts" because it is harder to burn, but my mielage, hand checked and confirmed, has gone up.

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gene bender

08-05-2007 03:03:35




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 Re: Low-sulphur diesel in reply to Jeffro123, 08-04-2007 15:43:43  
So what does the dealer recomend you to use as he should be the place to ask this question.



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TomTex

08-04-2007 20:01:50




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 Re: Low-sulphur diesel in reply to Jeffro123, 08-04-2007 15:43:43  
APS Diesel Fuel Additive, made in Texas by Power Service. I use one quart per 50 gallons of diesel, year round in all diesel in the barrel/cans when bought. Removes water, adds lubricity, raises the cetane rating, lubs the injectors, lubs the pump, prevents gelling, etc. etc. Been doing this for years and years. I am 66 years old and have not ever had to pull an injection pump, never had filters clogged, never had gelling, never had a water problem, never even see any water in the glass aglomerater (sp). Costs me 5 dollars for 50 gallons. Tom

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Ron in OH

08-04-2007 18:55:51




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 Re: Low-sulphur diesel in reply to Jeffro123, 08-04-2007 15:43:43  
If you have a B2 or better bio-diesel available that's all you need whatever ever the sulphur content.



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NC Wayne

08-04-2007 18:29:01




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 Re: Low-sulphur diesel in reply to Jeffro123, 08-04-2007 15:43:43  
This subject has been discussed several times on here so you might want to do a search and look at some of the past answers too. That said according to the atricles I"ve read in the various trade magazines between the government and major suppliers they all say there have been no issues with the ULSD hitting the market. There is supposidly some new additive put in at the refinery to take the place of the sulfur to bring the lubricity back to "normal", but wether it"s happening, or not, it doesn"t seem to be working. For those of us out there everyday the no problems story just doesn"t fly. Between sticking parts, leaking seals, all because of the changes in the fuel, as well as clogged filters caused not by the sulfur reduction, just sorry a$$ fuel handling before you get it, the real story is something totally different. As for running an additive it"s a good idea wether it"s an old machine or a new one. The new machines with the common rail systems are running higher fuel pressures than ever before so they need all the help they can get just as much as the older systems do. Another plus to the additive is a decreese in fuel usage. I"ve been running Stanadyne additive in my service truck since the first of the year. Last fuel tax statement I did I was averaging a touch over 9 MPG on the additive where the best I ever got before was a touch over 8 when I did alot of highway driving in one quarter. My usual average is around 7, and this past quarter has been a usual mix of highway and city, so I"m looking at in the neighborhood of 2 MPG increase from a $6 bottle of additive. For the company that works out to somewhere around $180 extra in profits off of every fillup. Not a bad return in my opinion. The Stanadyne is the only kind I"ve tried so far and can speak about, but when we run out this time I"m gonna give Lubrication Engineers" stuff a try. Everything else we use from them is top of the line and their additive is actually cheaper than the Standyne so if it"s as good or better that"s just more free money off every fillup.

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RMinVa

08-04-2007 17:07:06




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 Re: Low-sulphur diesel in reply to Jeffro123, 08-04-2007 15:43:43  
In my area we're still on low sulpher but some ULSD gets mixed in with the low sulpher if the ULSD doesn't meet specs. First tank I got after ULSD came out was 50/50. Next load was low sulpher. So unless your area has gone USLD 100% you may still be getting low sulpher or a mix like we do. I ask and can trust the delivery guy to tell me what's in the tank.

You can't go wrong with the Lucas with what ever fuel you're getting. I used it for years. Price kept going up and started checking around. I switched to Amsoil Diesel Concentrate. Amsoil reformulated their's when USLD hit the pumps.

Amsoil was one of the first and few that got epa approval for their product. (cut and paste from their site) AMSOIL Diesel Concentrate meets the low sulfur mandate. It improves diesel fuel quality to exceed today’s stringent performance requirements. It's also cheaper than Lucas. If Amsoil gets higher I'll switch back to Lucas.

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m kuhns

08-04-2007 16:42:54




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 Re: Low-sulphur diesel in reply to Jeffro123, 08-04-2007 15:43:43  
Off road fuel is eventually gonna be the low sulphur fuel that was used in years past. I would recommend additive for increasing lubricity. Ask any older trucker what happened when the low sulphur fuel came out - fuel seals started leaking and numerous other fuel system problems. AS far as todays ULSD @ 15ppm, imagine what might happen if you run in engines from the 1980s. When it was introduced, I heard of 5.9 cummins common rail High pressure pumps failing soon afterward. Other problem include injectors sticking, rough running, poor fuel mileage, gelling @ 25deg F..... . If todays engines can't take the ULSD, what will happen to the older ones. I'm scared myself that injection pumps will be failing and what else? You could use lightweight engine oil in the fuel too to increase lubricity. (5w30 @ 1qt per 100gal). Don't take my word, I just work on truck engines exclusively for a Cat dealer.

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JTinNJ

08-05-2007 12:31:31




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 Re: Low-sulphur diesel in reply to m kuhns, 08-04-2007 16:42:54  
If the ULSD is gelling at 25deg it is not the fuel.There is something else going on.
I work in a bulk fuel terminal.The only product we have is Jet-A. Before we recive any product into the terminal the refinery will send a Certificate of Analysis for the fuel.When USLD first came out we would get two C of A's. One for Jet-A and one for USLD.Why? It is the same thing.The freeze point is -82deg F on the current C of A. And,the Viscosity is -4 deg F.So,don't let people tell you ULSD is gelling at 25deg F.

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MN Scott

08-04-2007 16:17:31




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 Re: Low-sulphur diesel in reply to Jeffro123, 08-04-2007 15:43:43  
Won't hurt the injectors on that tractor. Only problem you might run into is clogged fuel filters. The ULSD is a better cleaning agent so it can loosten crud and plug the filters. You can buy the additives if you want but in my opinion they are a waste of money. Just buy fuel from a reputable supplier and you will be fine.



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