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07-03-2015, 08:12 PM
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#1
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Senior Member
Join Date: Mar 2005
Location: Northern Oklahoma
Posts: 5,062
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Newbe's DEF question
Been RVing for 28 years but now is a first for me to deal with the DEF stuff in my new DP. At Wal Mart, is there any difference in quality or desirability between the Blue DEF at $11.97/jug and Wal Mart's Super Tech at $8.97/jug? With that much difference in price I didn't know whether or not the Super Tech brand should be avoided.
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07-03-2015, 08:18 PM
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#2
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Senior Member
Newmar Owners Club Texas Boomers Club Freightliner Owners Club
Join Date: Feb 2014
Location: Cypress, Texas
Posts: 889
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I don't think there is any difference in quality. I have used the cheaper brand from Walmart recently without any problems ... yet.
__________________
Scott & Lise
2015 Dutch Star 4381 - HWH Active Air, SilverLeaf Glass Dash & Total Coach
2011 Chevy Traverse w/Blue Ox Aventa and M&G Brake
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07-03-2015, 08:20 PM
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#3
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Senior Member
Join Date: Dec 2004
Location: Edmond, Oklahoma
Posts: 414
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I take my time and wait for an open lane at a truck stop, pull in backwards, and out in under 5 minutes. At $2.79 a gallon, a LOT cheaper than Walmart!
__________________
2017 DSDP 4054 Spartan Chassis
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07-03-2015, 08:28 PM
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#4
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Senior Member
Newmar Owners Club Texas Boomers Club Freightliner Owners Club
Join Date: Feb 2014
Location: Cypress, Texas
Posts: 889
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Quote:
Originally Posted by BattChief
I take my time and wait for an open lane at a truck stop, pull in backwards, and out in under 5 minutes. At $2.79 a gallon, a LOT cheaper than Walmart!
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The cheaper one at Walmart is only $3.59 a gallon. I have yet to pull into a truck stop that wasn't so busy I could pull in the wrong way.
__________________
Scott & Lise
2015 Dutch Star 4381 - HWH Active Air, SilverLeaf Glass Dash & Total Coach
2011 Chevy Traverse w/Blue Ox Aventa and M&G Brake
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07-03-2015, 08:39 PM
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#5
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Senior Member
Join Date: Mar 2005
Location: Northern Oklahoma
Posts: 5,062
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Would be nice if the truck stops had DEF pumps on both sides like they do the diesel pumps. Noticed when I was in O'Reilly's this afternoon here in Colorado that they were selling the Blue DEF for $14.99/jug. Wonder how many jugs they sell at at that price?
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07-03-2015, 08:53 PM
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#6
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Senior Member
Join Date: Oct 2014
Location: Port Orchard, WA
Posts: 4,215
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Okay, a stupid question, what in the heck is DEF?
__________________
Scot & Laura Kellersberger, U.S. Army (ret)
Newmar 4 wheel drive Dutch Star 3891, SOLD
Now RV'ing on the water in a Trawler!
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07-03-2015, 08:54 PM
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#7
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Senior Member
Newmar Owners Club
Join Date: Feb 2012
Posts: 1,519
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Diesel Exhaust Fluid!
__________________
2008 Newmar Dutch Star 4304
2005 HR Navigator 45PBQ - SOLD
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07-03-2015, 08:56 PM
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#8
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Senior Member
Newmar Owners Club Texas Boomers Club Freightliner Owners Club
Join Date: Feb 2014
Location: Cypress, Texas
Posts: 889
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Quote:
Originally Posted by Hit_the_Rhod
Okay, a stupid question, what in the heck is DEF?
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Diesel exhaust fluid (DEF), commonly referred to as AdBlue in Europe, Australia, and New Zealand, and standardised as ISO 22241 is an aqueous urea solution made with 32.5% high-purity urea (AUS 32) and 67.5% deionized water. DEF is used as a consumable in selective catalytic reduction (SCR) in order to lower NOx concentration in the diesel exhaust emissions from diesel engines.
__________________
Scott & Lise
2015 Dutch Star 4381 - HWH Active Air, SilverLeaf Glass Dash & Total Coach
2011 Chevy Traverse w/Blue Ox Aventa and M&G Brake
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07-03-2015, 08:58 PM
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#9
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Senior Member
Newmar Owners Club
Join Date: Feb 2012
Posts: 1,519
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Quote:
Originally Posted by wagonmaster2
Would be nice if the truck stops had DEF pumps on both sides like they do the diesel pumps. Noticed when I was in O'Reilly's this afternoon here in Colorado that they were selling the Blue DEF for $14.99/jug. Wonder how many jugs they sell at at that price?
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Probably quite a few! There are quite a few cars with diesel engines, MB's BMW's, VW's, just to name a few.
__________________
2008 Newmar Dutch Star 4304
2005 HR Navigator 45PBQ - SOLD
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07-03-2015, 09:01 PM
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#10
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Senior Member
Join Date: Oct 2014
Location: Port Orchard, WA
Posts: 4,215
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Okay, never mind, I just looked it up. My 2001 apparently doesn't require it.
__________________
Scot & Laura Kellersberger, U.S. Army (ret)
Newmar 4 wheel drive Dutch Star 3891, SOLD
Now RV'ing on the water in a Trawler!
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07-04-2015, 08:49 AM
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#11
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Moderator Emeritus
Jayco Owners Club RV Trip Wizard
Join Date: Oct 2009
Location: Poinciana FL
Posts: 7,781
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We've been eyeballing new rigs (2016s). The chassis manufacturers have started moving the DEF tank to the driver's side. So far anything we've looked at has the tank in this new location.
Next time I'm in Walmart I'll have to look for their store brand, I've not noticed it to date. It's only pure water with a specific percentage of urea added. Anyone with the proper equipment should be able to mix and bottle it.
__________________
Jay and Peggy Monroe
"Can't take it with you, not leaving any behind"
2024 Jayco White Hawk 26FK
2024 Ford Expedition
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07-04-2015, 12:14 PM
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#12
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Senior Member
Newmar Owners Club Freightliner Owners Club
Join Date: Jun 2011
Location: Texas
Posts: 6,400
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Newbe's DEF question
Cummins sells the 2.5 gal BlueDef for $8.09 for the box.
2013 Newmar Dutchstar 4347, Active Air
__________________
2022 London Aire 4551 * 2022 GD Imagine 2800BH * 2021 RAM 3500 DRW * 2020 Wrangler
NHSO (Newmar Hoot, Sevierville Original)
Kindness Matters
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07-04-2015, 01:34 PM
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#13
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Senior Member
Newmar Owners Club
Join Date: Dec 2009
Location: Northern Nevada
Posts: 751
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If you buy DEF at Walmart check for the seals are not broken people return it filled with water. The Super Tech is easy to unscrew the top and check for the seal. I also would rather purchase it at the truck stop.
Good Luck
JP
__________________
Just the Wife & Me!! & Lily our Yellow Lab
2011 Newmar Mountain Aire 4344 !!
450HP Cummins on a Freightliner Chassis !!
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07-04-2015, 02:27 PM
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#14
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RV Nut
Newmar Owners Club Winnebago Owners Club Nor'easters Club
Join Date: Oct 2014
Posts: 1,932
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Newbe's DEF question
Quote:
Originally Posted by JMonroe
We've been eyeballing new rigs (2016s). The chassis manufacturers have started moving the DEF tank to the driver's side. So far anything we've looked at has the tank in this new location.
Next time I'm in Walmart I'll have to look for their store brand, I've not noticed it to date. It's only pure water with a specific percentage of urea added. Anyone with the proper equipment should be able to mix and bottle it.
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Our 2015 Ventana has the DEF tank on the drivers side.
And to the OP's question: DEF is DEF as long as it's not been tampered with and is fresh. The performance shouldn't differ from brand to brand. It has a limited shelf life and will degrade over time.
__________________
2015 Newmar Ventana 4037 - All Electric
2012 Jeep Wrangler Unlimited Rubicon TOAD
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