Go Bottomnew diesel fuel in 2006
 | Dave Neidigh
Join Date: Posts: 1 
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2004-07-30 92297
With the new lower sulphur diesel fuels coming in 2006 do I need to worry about my Kubota not running well or even being damaged by the new fuel.
Thanks
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Add Photonew diesel fuel in 2006
 | DRankin
Join Date: Jan 2000 Posts: 5116 Northern Nevada 
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2004-07-30 92301
I thought low sulfur fuels were already here. ....
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Add Photonew diesel fuel in 2006
 | JParker
Join Date: Oct 2003 Posts: 152 Richmond, VA
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2004-07-31 92353
Hopefully Chief, Murf or other with more knowledge will chime in here.
I have an add on to go with it. I just got hooked up with the local Southern States to buy "Off Road Diesel". I thought the only diffecence was no road tax, but when I went to the pump it was labeled "High Sulfur, Off Road Diesel". Is it ok to run this in a modern, CUT, diesel engine? ....
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Add Photonew diesel fuel in 2006
 | Chief
Join Date: Jul 2003 Posts: 4297 Southwest MiddleTennessee
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2004-07-31 92354
Current diesel fuel is low sulfur diesel fuel. However, the congress has mandated the phasing is of ultra low sulfur diesel (ULSD) fuel. A rule which takes effect in 2006. In a nut shell......as sulfur compounds are refined out of diesel fuel oil; so is the "lubricity" of the fuel itself for the most part. Either the new ULSD will have additives to address this issue or current diesel engines will have to be modified or user added lubrication additives added. Fuel lubricity is particularly important in older design diesel engines as the injection pump and the injectors themselves are lubricated by the fuel. The newer designe "Common Rail Fuel Injection Systems" are not as requiring of lubrication as the older designs since injection and pump timing are controlled electronicly and the injectors are fired electronicly as opposed to pulse pressure.
Here is some "poop" on diesel fuel:
http://www.chevron.com/prodserv/fuels/bulletin/diesel/L1_toc_rf.htm
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Link: REALLY Dry reading about ULSD
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Add Photonew diesel fuel in 2006
 | FERRARI
Join Date: May 2004 Posts: 90 OOLTEWAH, TENNESSEE
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2004-07-31 92366
THANK Goodness, the good old government is going to take care of all of us....... ....
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Add Photonew diesel fuel in 2006
 | jarndt
Join Date: Dec 2003 Posts: 351 Northern Virginia
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2004-08-02 92486
I wouldn't worry about ULSD too much. There are HUGE legacy issues (existing engines out there) that mush be addressed with any change in fuel formulation. Backwards compatibility is a must considering an average engine life of at least 20 years. The trucking industry has a powerful lobby. Any legistlature would surely take legacy issues into consideration. ....
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Add Photonew diesel fuel in 2006
| JParker
Join Date: Oct 2003 Posts: 152 Richmond, VA
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2004-08-10 93188
So from an engine lubrication point of view, High Sulphur is Good?
Its being removed because it causes Acid rain I guess. ....
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Add Photonew diesel fuel in 2006
| DRankin
Join Date: Jan 2000 Posts: 5116 Northern Nevada
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2004-08-11 93226
The sulfur lubricated the injector pump and the top end of the engine.
I was at Wally World the other day and saw that Power Service has changed its formulation to include some sort of injector pump lubricant. They advertise it as a fix for ULSD. ....
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Add Photonew diesel fuel in 2006
 | Murf
Join Date: Dec 1999 Posts: 7249 Toronto Area, Ontario, Canada
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2004-08-11 93228
I was doing some research on Bio-Diesel and came across a story about the lubricating effects of Bio-Diesel, apparently as little as 5% Bio-Diesel added to the regular Dino-Diesel will will DRAMTICALLY improve lubricity, between 100% & 500%.
The hydro-electric authority in the City of Toronto has been experimenting with a 90% (Dino) / 10% Bio-Diesel blend in all their trucks, apparently the only side-effect so far is that the exhaust smells like french fries making the workers constantly hungry.
Best of luck. ....
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Add Photonew diesel fuel in 2006
 | AnnBrush
Join Date: Mar 2004 Posts: 463 Troy OH
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2004-08-11 93245
Oh great, we are going to replace one health hazard with another (emphysema vs. obesity), hopefully I can stay off the fries. ....
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Add Photonew diesel fuel in 2006
| Murf
Join Date: Dec 1999 Posts: 7249 Toronto Area, Ontario, Canada
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2004-08-11 93251
Think of what's going to happen when the advertising industry gets ahold of this.
Ads for a burger chain on the side of the city busses and the exhaust smells like fries......
I wonder if they could squeeze some of the grease out of pizza and use that too.
Hey, I got an idea, Wildman could get oil from a restaurant for his boat, then it would smell like fish & chips BEFORE he went fishing!!! That's efficiency..... LOL.
Best of luck. ....
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Add Photonew diesel fuel in 2006
| LapinFarmer
Join Date: Jun 2004 Posts: 22 Kenmore WA
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2004-08-14 93526
The manual for my new B7800 mentions that high sulfur diesel requires use of diffent engine oil and change intervals. to wit:
New CF-4 and CG-4 oils are for use with new low sulfur fuels in off-road vehicles engines.
When running an off-road diesel on high sulfur fuel, "it is advisable to employ CF,CD or CE lube oil with a high total base number."
And in bold type (Kubota's): "If ... CF-4 or CG-4 lube oil is used with high sulfer fuel, change the oil at shorter intervals". ....
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Add Photonew diesel fuel in 2006
| Chief
Join Date: Jul 2003 Posts: 4297 Southwest MiddleTennessee
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2004-08-14 93531
To my knowledge it is all low sulfur diesel. There may be exception but I an not aware of any nor have I seen any high sulfur diesel in my area. The off road and agriculture diesel is just died red in most places. In a few states, Flying J will issue you a ag diesel card in which you can purchase green died road diesel and be exempt from the taxes on it at the pump. The older refined grade of high sulfur diesel was actually a much better fuel in that it had a higher BTU content and a much higher lubricity rating as compared to current grade diesel. ....
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