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Author Topic: What’s the difference between Truck Diesel and regular Diesel?  (Read 10055 times)

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Offline Beachman

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What’s the difference between Truck Diesel and regular Diesel?
« on: November 03, 2017, 03:02:03 PM »
Howdee,

When it comes to filling up the 4WD with Diesel I don’t pay that much attention as I stop and fill up. The other day I was filling up with a ‘High Flow’ pump which isn’t anything new, but noticed a sticker on the pump advising this is Truck Diesel and shouldn’t be used Cars or 4WD’s.

So what is truck diesel?

I have a 100 series 1HZ Cruiser so it’s far from high tech. Also even when the car was new 15 years ago the quality of Australia Diesel wouldn’t have been that flash.

Also would have thought new trucks these days are just as high tech new cars/4WD’s. 
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Offline Windowlicker

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Re: What’s the difference between Truck Diesel and regular Diesel?
« Reply #1 on: November 03, 2017, 03:04:25 PM »
Just a sign in case the customer with blondish hair does not understand 'hi-flow' diesel?
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Offline wakychapmans

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Re: What’s the difference between Truck Diesel and regular Diesel?
« Reply #2 on: November 03, 2017, 03:25:20 PM »
"What’s the difference between Truck Diesel and regular Diesel?"

about 20 cents a litre...  ;D

I have a 1hz too and begrudge paying for "premium diesel" when I know that my truck would run on chip oil with a shot of whisky in it...

I can see how the quality of the stuff matters for the common rail diesels though.

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Offline two up

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Re: What’s the difference between Truck Diesel and regular Diesel?
« Reply #3 on: November 03, 2017, 03:30:57 PM »
Anti sudsing agent and a deodorant to make it less smelly for the women folk when they fill up the Audi, was how it was described to me by a fuel company rep.

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Offline gronk

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Re: What’s the difference between Truck Diesel and regular Diesel?
« Reply #4 on: November 03, 2017, 04:43:10 PM »
Quote from: two up on November 03, 2017, 03:30:57 PM
Anti sudsing agent and a deodorant to make it less smelly for the women folk when they fill up the Audi, was how it was described to me by a fuel company rep.

Sent from my A1601 using Tapatalk

That's about it....and all the blurb about premium having cleaning and performance additives  ??
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Offline paceman

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Re: What’s the difference between Truck Diesel and regular Diesel?
« Reply #5 on: November 03, 2017, 04:58:41 PM »
better fuel economy for me... documented over a long period of time...

i always get further on a standard tank of premium diesel (caltex), as opposed to 'truck' diesel (caltex)...

your mileage may vary...
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Offline gronk

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Re: What’s the difference between Truck Diesel and regular Diesel?
« Reply #6 on: November 03, 2017, 05:38:14 PM »
Quote from: paceman on November 03, 2017, 04:58:41 PM
better fuel economy for me... documented over a long period of time...

i always get further on a standard tank of premium diesel (caltex), as opposed to 'truck' diesel (caltex)...

your mileage may vary...

And what is the additive that gives you this difference ??

I usually shove the diesel in from the local independent fuel shop at around $1.19....the other big players are around $1.25 to $1.35 ??
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Offline OldPaj

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Re: What’s the difference between Truck Diesel and regular Diesel?
« Reply #7 on: November 03, 2017, 06:35:25 PM »
I was of the understanding that the truck diesel has a higher sulphur content (perhaps 100ppm) rather than the 5ppm of the 'premium' diesel. Supposedly to suit new common rail, particularly European diesel engines.

I have 2 Pajeros ('06 & '17), both seem to run better on the 'premium' diesel, particularly Caltex & BP.
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Offline lloydus67

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Re: What’s the difference between Truck Diesel and regular Diesel?
« Reply #8 on: November 03, 2017, 06:48:16 PM »
I believe cetane levels are different, but certainly are between Caltex and bp
I get better mileage from both rather than Caltex
Around 50-100 klms out of a tank difference, however Caltex is usually cheaper


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Offline SEADOO

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Re: What’s the difference between Truck Diesel and regular Diesel?
« Reply #9 on: November 03, 2017, 06:53:47 PM »
According to the local chick at our servo,

High flow diesel is only for vehicles with fuel injection, not if you have a carby!!!!!!

Nice to look at but.
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Offline paceman

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Re: What’s the difference between Truck Diesel and regular Diesel?
« Reply #10 on: November 03, 2017, 08:00:38 PM »
Quote from: gronk on November 03, 2017, 05:38:14 PM
And what is the additive that gives you this difference ??

No idea.  Not a fuel expert.

Just know that premium diesel works better in my ute than truck diesel.

As I said, others may experience a different result.
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Offline Bird

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Re: What’s the difference between Truck Diesel and regular Diesel?
« Reply #11 on: November 03, 2017, 08:13:57 PM »
 I bet it all comes from the same tank and delivery truck tank.
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Offline lloydus67

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Re: What’s the difference between Truck Diesel and regular Diesel?
« Reply #12 on: November 03, 2017, 08:15:09 PM »
Quote from: SEADOO on November 03, 2017, 06:53:47 PM
According to the local chick at our servo,

High flow diesel is only for vehicles with fuel injection, not if you have a carby!!!!!!

Nice to look at but.
Lol


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KingBilly

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Re: What’s the difference between Truck Diesel and regular Diesel?
« Reply #13 on: November 03, 2017, 08:15:39 PM »
Considering at least 40% of diesel is imported into Australia and the rest comes out of four (4) Aussie refineries, what you are getting from a BP bowser is probably Caltex or vice versa depending on location or is from Asia and every servo in town is selling the same stuff albeit with some different additives.  And none of the additives can improve economy or performance except maybe giving your fuel system a bit of a clean if it is an older engine but any gains diminish after a couple of tankfulls.  Saying one brand gives better economy is just not scientifically provable, sorry.

KB
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Offline paceman

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Re: What’s the difference between Truck Diesel and regular Diesel?
« Reply #14 on: November 03, 2017, 08:28:19 PM »
Quote from: KingBilly on November 03, 2017, 08:15:39 PM
Considering at least 40% of diesel is imported into Australia and the rest comes out of four (4) Aussie refineries, what you are getting from a BP bowser is probably Caltex or vice versa depending on location or is from Asia and every servo in town is selling the same stuff albeit with some different additives.  And none of the additives can improve economy or performance except maybe giving your fuel system a bit of a clean if it is an older engine but any gains diminish after a couple of tankfulls.  Saying one brand gives better economy is just not scientifically provable, sorry.

KB

that's cool...  don't doubt anything that has been said in this thread...

as long as you can just explain to me why i consistently and measurably get better economy using one form/brand of diesel over another.

others (on this forum and others) have also said that they get better economy using a particular brand of diesel over another.



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KingBilly

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Re: What’s the difference between Truck Diesel and regular Diesel?
« Reply #15 on: November 03, 2017, 08:31:00 PM »
Quote from: paceman on November 03, 2017, 08:28:19 PM
that's cool...  don't doubt anything that has been said in this thread...

as long as you can just explain to me why i consistently and measurably get better economy using one form/brand of diesel over another.

others (on this forum and others) have also said that they get better economy using a particular brand of diesel over another.

Prove it to me scientifically and I will believe it.  Otherwise I am happy that you are happy in your beliefs.

KB
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Offline Cruiser 105Tvan

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Re: What’s the difference between Truck Diesel and regular Diesel?
« Reply #16 on: November 03, 2017, 08:43:44 PM »
Quote from: paceman on November 03, 2017, 08:28:19 PM
that's cool...  don't doubt anything that has been said in this thread...

as long as you can just explain to me why i consistently and measurably get better economy using one form/brand of diesel over another.

others (on this forum and others) have also said that they get better economy using a particular brand of diesel over another.

How accurate is your speedo and the Odometer on your vehicle Paceman?
Have all your economy tests been along the same roadways?
Have you changed vehicles during the period you conducted the economy tests. 
So not just measurably different in only your current vehicle?
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Offline RebsWA

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Re: What’s the difference between Truck Diesel and regular Diesel?
« Reply #17 on: November 03, 2017, 08:53:06 PM »
Gotta chip in here. I get consistent better economy out of my truck with BP diesel than Caltex or any other. I just get the cheapest stuff. I have always kept records of fuel litres purchased and kms at fill cos that's just me. The scientific proof is divide kms by litres. Obviously, I realise that load, wind, terrain, traffic, towing etc etc impact the figures but overall the figures don't lie. Go Figure.
 
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Offline paceman

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Re: What’s the difference between Truck Diesel and regular Diesel?
« Reply #18 on: November 03, 2017, 08:55:54 PM »
Quote from: Cruiser 105Tvan on November 03, 2017, 08:43:44 PM
How accurate is your speedo and the Odometer on your vehicle Paceman?
Have all your economy tests been along the same roadways?
Have you changed vehicles during the period you conducted the economy tests. 
So not just measurably different in only your current vehicle?

As accurate as anybody else's...
Same road, same vehicle, same route, different servos selling the same fuel, over months...

I only have one diesel vehicle, so haven't tried another vehicle.

I am smart enough to do the figures and to come to the conclusion that I get better economy with one brand of diesel over another.

If this doesn't fit with the narrative, that's cool...  8).

Until someone can definitively prove that one brand of diesel can't provide better economy than another, then I am happy to live in my fantasy...  ;D

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Offline Cruiser 105Tvan

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Re: What’s the difference between Truck Diesel and regular Diesel?
« Reply #19 on: November 03, 2017, 09:17:01 PM »
I'm not having a go either.
Just wondering if you were having a consistent benefit in more than one vehicle.
I have found some vehicles are better than others in the use of their fuel, even from same model of same manufacturer.
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Offline paceman

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Re: What’s the difference between Truck Diesel and regular Diesel?
« Reply #20 on: November 03, 2017, 09:23:06 PM »
Quote from: Cruiser 105Tvan on November 03, 2017, 09:17:01 PM
I'm not having a go either.
Just wondering if you were having a consistent benefit in more than one vehicle.
I have found some vehicles are better than others in the use of their fuel, even from same model of same manufacturer.

No worries here, mate... :D.

If someone wants to provide me with another diesel vehicle for nicks, then I'll happily test it too...  ;D

I totally get the what was said about where our fuel comes from, etc...

I just have my figures to go on.

I don't know why or how and also understand that others might not see this benefit, but I do and that's good enough for me...
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KingBilly

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Re: What’s the difference between Truck Diesel and regular Diesel?
« Reply #21 on: November 03, 2017, 10:18:19 PM »
Quote from: paceman on November 03, 2017, 09:23:06 PM
that's good enough for me...

And that’s all that matters  :cup:

KB

PS and for the second time this year, I’m not taking the piss  >:D
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Offline Hewy54

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Re: What’s the difference between Truck Diesel and regular Diesel?
« Reply #22 on: November 04, 2017, 06:39:14 AM »
I have an old 80 series with after market turbo. I have always used the truck diesel as it is the cheapest. The tug is used for camping and towing mostly, but over the last 3 months it has been used nearly every day for the commute to my mums place 26km away. I always keep records and always get 13.4 l/100km. A few months ago I put in BP Ultimate diesel by mistake. For the next tank, my mileage seemed to improve so I decided to try it again. 2 tanks later the mileage has leveled out and I am now getting a consistent 12.5 l/100km. So over an 800km tank (about 99 l), it has cost me an extra $2 for the 99l but has saved me $9 in fuel.
Same car
same driver
same trips
varied wind resistance and traffic.
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Offline gronk

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Re: What’s the difference between Truck Diesel and regular Diesel?
« Reply #23 on: November 04, 2017, 06:59:37 AM »
Hewy, as far as I can tell, the only additive that can do anything is the cleaner they put in.......so  MAYBE the injectors are running more efficiently?
Who knows ??
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Offline Fizzie

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Re: What’s the difference between Truck Diesel and regular Diesel?
« Reply #24 on: November 04, 2017, 09:06:43 AM »
Quote from: KingBilly on November 03, 2017, 10:18:19 PM
PS and for the second time this year, I’m not taking the piss  >:D

So that's 2 posts you're not, & the other 1000 posts so far this year, you were ??? >:D :-*
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