diesel fuel

Charlie M

Well-known Member
Is there any difference in diesel fuel delivered for farm use vs the fuel offered at gas stations. Is it all low sulfur these days.I've got to decide if I should catch up with my neighbor for a couple of gallons for my little compact tractor or just pick some up at a gas station when I'm there.I only use about 2 gallons a year doing some garden work.
 
Only if the driver is instructed to do so by the farmer. They shouldn't. The additives in oil will cause problems in newer high pressure fuel systems. Only OEM approved additives should be used. I have not seen a single OEM require the use of engine oil added to fuel.
 
For two gallons a year, just buy it at the station. You will cause more harm that good buying the minimum qty delivered to the farm. You will end up with 50 years of fuel that won't be suitable for use in two years or less.
 
Off-road farm diesel is not the same as highway diesel where I am in central NY. Other areas - yes.

Here - heating oil and farm/off-road diesel is "medium sulfur." Highway is "low sulfur." The farm and off-road diesel has more lube then the highway diesel unless there have been additives put in.

Heating oil and farm-diesel here comes from the same bulk tank. The only difference is - when delivered as motor-fuel (farm or off-road) - a lube additive has to be put in by the seller. So now - heating oil is no longer safe in a diesel engine unless you stick in lube additive yourself. It's also totally illegal now to run in an engine.
 
'Hyway' diesel is now ultralow sulfur.Plus it has road tax on it.'Offroad' may or may not be the ultralow,depending on where you are.Offroad is also deid red.And is illegal for road use.Just buy your small amounts at the local fuel center/'gas station.You can add an ounce or two of motor oil per gallon ,if you want to.The sulfur is a 'lubricant'.It's harder on older pumps to run ultralow,but that's all there is these days.
 
(quoted from post at 21:38:02 05/30/14) For two gallons a year, just buy it at the station. You will cause more harm that good buying the minimum qty delivered to the farm. You will end up with 50 years of fuel that won't be suitable for use in two years or less.

I think maybe he was just going to buy a couple gallons from his neighbor instead of having it delivered, and that may be his best choice. Then he has the proper additives for a tractor and will not have road tax, although it would be good for the future to add a little extra for his trouble.
 
Any modern "Tier IV" engine that has an SCR system and uses diesel exhaust fluid requires ultra low sulfur fuel, even for off-highway applications. This includes most all AGCO and CaseIH/NH tractors/machines from the past three years as well as Deere starting this year. Using fuel with more than 15 ppm sulfur will eventually destroy the substrate in the aftertreatment system leaving you with a huge out-of-pocket repair bill.
 
For all the more you need, I'd just get some from the filling station. If you've got an older machine, add a little 2-stroke oil to lube the pump and injectors. 200:1 works well, but don't mix stronger than 100:1 or you'll REALLY blow some smoke.
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