Diesel types

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Diesel types

November 10, 2016, 09:19:26 pm

I was at the pump at Pilot today and the pump had what they called exhaust fuel at a higher price and I guess regular diesel. What is the difference? Is one cleaner burning than the other?

Thanks in advance, John M.

Re: Diesel types

Reply #1 – November 10, 2016, 09:23:55 pm

Quote from: John Morales – November 10, 2016, 09:19:26 pm

I was at the pump at Pilot today and the pump had what they called exhaust fuel at a higher price and I guess regular diesel. What is the difference? Is one cleaner burning than the other?

Thanks in advance, John M.

By "exhaust fuel" I think you are referring to DEF - Diesel Exhaust Fluid. It's basically a urea compound solution used in emissions control for newer diesels and it is NOT diesel fuel - it goes in a DEF exhaust treatment tank (you do not want to put that in your fuel tank!)

Diesel exhaust fluid - Wikipedia

Re: Diesel types

Reply #2 – November 10, 2016, 09:49:00 pm

It was $2.79/gal vs $2.39/gal and it was in the pump. Could it be a fuel that is already treated? It was labeled exhaust fuel.

John M.

Re: Diesel types

Reply #3 – November 10, 2016, 09:52:15 pm

What Michelle said.

Re: Diesel types

Reply #4 – November 10, 2016, 09:54:45 pm

It said on the pump that the Blue Def was inside.?

Re: Diesel types

Reply #5 – November 10, 2016, 09:56:16 pm

Never heard of "Diesel exhaust fuel" but the smaller exhaust fluid pump nozzle is usually next to the diesel pump nozzle at the truck stops.

Re: Diesel types

Reply #6 – November 10, 2016, 10:37:38 pm

I for a minute thought I had pumped DEF in my tank and was worried. I called the Pilot and explained what I did and the pump I was at, she clarified it for me. I picked up the large nozzle and lifted the handle and then hit the button that said exhaust fuel which is exhaust fluid. She stated that if I used the large pump nozzle that I only pumped diesel and not DEF. DEF is on a different and smaller hose and nozzle. I thought it was coming through the same large nozzle I used, but it doesn't. I had a big scare for a minute and thought I would have to get the system drained. Lesson learned, focus on what I am doing. Now to change my underwear. lol

What happens if you put DEF in your fuel tank.
Blog - Innovative Fueling Solutions - Innovative Fueling Supplying Solutions...

Re: Diesel types

Reply #7 – November 10, 2016, 11:30:23 pm

Also, blue is the color code for DEF. Blue nozzles on the pump and blue DEF fill caps on vehicle tanks.

Re: Diesel types

Reply #8 – November 11, 2016, 07:39:13 am

My Son put some DEF in the fuel tank of a new truck. He thought the fuel filter would catch it and he carried a number of filters and replaced every couple of miles. Didn't work out. Cost him I think around 10 coach bucks to get truck repaired. Ended up selling in shortly later.

Re: Diesel types

Reply #9 – November 11, 2016, 09:30:58 am

I hope this is not considered hijacking of this thread - but the thread title IS "Diesel Types".

As a relatively new diesel pusher owner, who never had any prior experience with diesel-fueled vehicles, I find all the various "grades" of diesel confusing. I DO know the difference between DEF and diesel, so that is not a concern, and I also know about agricultural (red) non-taxed diesel. When we stop for fuel (predominately at either Love's or Pilot/Flying J or Pacific Pride Cardlock locations) I just use whatever comes out of the diesel hose and hope for the best. I figure if all the trucks around me are using it, it will probably work in my coach. I see various stickers on the pumps about Diesel #1, diesel #2, biodiesel, ULSD diesel, etc. I am not clear on the exact difference between all these grades.

Should I be more proactive in selecting fuel pumps? Are there any types of diesel (found at normal truck stops) that I should absolutely NOT put in our tank? Is the percentage mix of biodiesel a concern? Inquiring minds want to know!

Re: Diesel types

Reply #10 – November 11, 2016, 09:36:49 am

No. 1 has a lower gelling temperature. I haven't seen it in years, but I am in southern Ca. Back in the 50's it was needed in the Detroit's

Re: Diesel types

Reply #11 – November 11, 2016, 09:58:39 am

Asking my question has prompted me to do a quick Google search. I have already found (on the official Cummins site) a clear statement that 20% Biodiesel is NOT approved in older Cummins engines (prior to 2002). I have already encountered 20% Bio fuel at Flying J travel stops in TX, so I guess I better start looking more closely at the pump. This is a bummer - one more thing to complicate the refueling process.

Biodiesel-Ready Cummins Engines - Cummins Engines

Re: Diesel types

Reply #12 – November 11, 2016, 10:01:59 am

Quote from: Chuck & Jeannie – November 11, 2016, 09:58:39 am

Asking my question has prompted me to do a quick Google search. I have already found (on the official Cummins site) a clear statement that 20% Biodiesel is NOT approved in older Cummins engines (prior to 2002). I have already encountered 20% Bio fuel at Flying J travel stops in TX, so I guess I better start looking more closely at the pump. This is a bummer - one more thing to complicate the refueling process.

It may not be "approved" by Cummins, but I've used it for several years without any problem. It's generally pretty much all that's available and so I use it.

Re: Diesel types

Reply #13 – November 11, 2016, 12:58:53 pm

The last tank of fuel I got in Lynden Washington was B20 because that was all that was available. I have noticed over the last couple years how B5 has become harder to find and am worried about what repairs may be required after using B20 for awhile.
Does anyone know what changes I should make to mitigate the possible damage caused by using B20 in a mid nineties M11.

Re: Diesel types

Reply #14 – November 11, 2016, 01:36:52 pm

I know some of the Gurus will disagree but pick an fuel additive and use it,you can get diesel kleen for $47 that will treat 1000
gallons.

Re: Diesel types

Reply #15 – November 11, 2016, 01:58:13 pm

OK, let's go through the list of what you MAY find at a fueling station:

#2 diesel (used throughout the country in the summer, and in the south in the winter)
#1 diesel (used in cold areas as its cloud point is lower)

Bio diesel-- in varying percents. Some percents mandated by state laws (read that farm lobbies)

Off-road diesel-- dyed red. No road tax collected-- DO NOT USE FOR ON-HIGHWAY VEHICLES.

DEF= Diesel Exhaust Fluid. NEVER, NEVER put it in your fuel tank! Only used in those newer vehicles (like 2010 and newer) with catalytic converters. So, if you have a coach older than 2010 just pass this one by. If newer, make sure to ONLY put in the the DEF tank. Most RV manufacturers/chassis makers located the fill for the DEF in very different area than the diesel fill to lessen the chance of making a mistake.

Re: Diesel types

Reply #16 – November 11, 2016, 02:18:03 pm

So the yellow handle diesel is which one?

Re: Diesel types

Reply #17 – November 11, 2016, 02:37:47 pm

Quote from: P. Wyatt Sabourin – November 11, 2016, 12:58:53 pm

Does anyone know what changes I should make to mitigate the possible damage caused by using B20 in a mid nineties M11.

Based upon my experiences over the last 3+ years no changes are required. I changed my fuel filters recently, but I'm not at all certain that was necessary.

Re: Diesel types

Reply #18 – November 11, 2016, 03:57:59 pm

Quote from: John44 – November 11, 2016, 02:18:03 pm

So the yellow handle diesel is which one?

Usually Green. Pay attention to what you are about to do and most of the time you should be fine. The Key is to Pay Attention!

Re: Diesel types

Reply #19 – November 11, 2016, 04:36:45 pm

Might as well get all the info we can while we are here,other then the dye what exactly is the difference in the off road diesel?

Re: Diesel types

Reply #20 – November 11, 2016, 04:47:53 pm

Quote from: John44 – November 11, 2016, 04:36:45 pm

Might as well get all the info we can while we are here,other then the dye what exactly is the difference in the off road diesel?

Usually nothing, untaxed gets the dye. I have seen high Sulpher off road diesel though at some off road pumps. But, They state on the pump NOT for 2007 and newer diesels. Most of the checks are on commercial trucks at weigh stations. The only time in my 12 years of trucking I have seen/ had tanks checked was in texas. i have never seen a rv or a diesel pickup in the check stations.
With that said it isn't worth the savings ,Because IF you do get caught with it in a highway vehicle the fines far outweigh the cost savings you felt at the pump!

Re: Diesel types

Reply #21 – November 11, 2016, 06:29:29 pm

Was asking because thats what they use on the offshore platforms,have used it on diesel engines 30 years old,but the diesels
only run when the nat gas ones are down,used it so long I thought diesel was red.

Re: Diesel types

Reply #22 – November 11, 2016, 07:00:21 pm

Quote from: P. Wyatt Sabourin – November 11, 2016, 12:58:53 pm

Does anyone know what changes I should make to mitigate the possible damage caused by using B20 in a mid nineties M11.

Wyatt,

Found this tech bulletin on Cummins QuickServe Online. May shed some light. I hope the link works for those not enrolled in QuickServe...

Cummins QuickServe Online | COLA

Re: Diesel types

Reply #23 – November 12, 2016, 05:01:28 pm

Quote from: Chuck & Jeannie – November 11, 2016, 09:58:39 am

Asking my question has prompted me to do a quick Google search. I have already found (on the official Cummins site) a clear statement that 20% Biodiesel is NOT approved in older Cummins engines (prior to 2002). I have already encountered 20% Bio fuel at Flying J travel stops in TX, so I guess I better start looking more closely at the pump. This is a bummer - one more thing to complicate the refueling process.

Biodiesel-Ready Cummins Engines - Cummins Engines

I didn't think any of us still bought at Flying J. As others have pointed out, it has gone from cheapest to one of the more expensive stations. No longer a fan.

Re: Diesel types

Reply #24 – November 12, 2016, 06:23:47 pm

The advantage to Flying J/Pilot is having their credit card/fuel card (through Good Sam). Can swipe the card at the truck lane fuel pumps, don't have to go to the fuel desk, and 6 cents off pump price.

Quote from: Sven and Kristi – November 12, 2016, 05:01:28 pm

I didn't think any of us still bought at Flying J. As others have pointed out, it has gone from cheapest to one of the more expensive stations. No longer a fan.

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