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Heck if I know
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Discussion Starter #1
So my father just got an 05 duramax loaded ext cab with 12k miles 4x4. Its not a cummins but Im just glad he saw the light about driving a diesel. But he raised a good question that I didnt know the answer to. We were talking about fuel and how atleast in NY the dont make off road diesel anymore that I can find. Just on road and kero. he said that back when he sold fuel years and years ago #2 heating oil was the same as off road diesel fuel but it didnt have the same taxes that off road had. Curious if his memory serves him right. And if so I going to get an aux tank for the truck and keep that full of off road. Anyone deal with fuel other then fueling up at the pumps???
 

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The only difference between #2 diesel and off road is the red dye that shows that it's not taxed so when "the man" swabs your tank he knows you've run off road...i hear the penalty is quite steep.
 

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yep i have an auxillary tank full of 75 gallons of red diesel and sometime some happens to spill in my stock fuel tank!! :lol3: :rof but not much....:CRY:
 

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The only difference between #2 diesel and off road is the red dye that shows that it's not taxed so when "the man" swabs your tank he knows you've run off road...i hear the penalty is quite steep.
And the sulfur content
 

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Heck if I know
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Discussion Starter #6
What about the sulfer content.
 

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Discussion Starter #7
fuel

Off road diesel can be ULSD.

MikeyB

That might be, but in NY from what I have found you cant buy off road diesel.
 

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I would ask some one in the construction business where they are getting their off road diesel for their heavy equipment. Some one has to be selling it.
 

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The main difference between #2 heating oil and off road diesel is the additives. A lot of companies put anti-corrosion and alagacides in heating oil; I don't know what that would do to your motor. From my experience most oil companies do not brew separate diesel for offroad use. They just add dye to signify that it hasn't had road taxes paid on it. In other words offroad diesel is very likely ULSD. I've been running it in my '06 since new and haven't had any problems.
 

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When I delivered fuel it was the same as heating oil. If I was running diesel delivery only on that load I would make those stops first and then add a few drops of dye in the tank and the rest became offroad diesel. That was the only difference between #2 heating oil, Offroad diesel, or just plain diesel.

For winter fuel we mixed them in the tank truck. 300 gal kero and 700 gal #2 gave us the winter blend we ran in VT. Kero comes straight from #2 it is just refined more and has a lower btu content.

The probably changed for a short time when ULSD came around but by now (I would guess) it is all ULSD, some dyed some not.
 

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We get alot of red here for the farm and the difference comes in the taxes. some say it had more sulfur but i didn't thinks so. with the ulsd now i don't believe it is the difference just the taxes.
 

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Discussion Starter #12
hmmmm so I think I need to talk to someone the sells #2 fuel and see if its uls or the old good stuff with that good old high sulfer.
 
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