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Old 11-25-2017, 11:21 AM   #1
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DEF tank capacity?

Could someone please tell us the capacity of the DEF tank on a 2017 Ventana 4369? Ours is currently away having our punch list taken care of, and the manuals that would give us that info are in the coach. Thanks!
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Old 11-25-2017, 11:25 AM   #2
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Most likely it is 13 gal.
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Old 11-25-2017, 12:25 PM   #3
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Mine is 15 gallons.
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Old 11-25-2017, 01:29 PM   #4
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At a Freightliner seminar the presenter explained their design / engineering goal was one tank of DEF for every 4 tanks of fuel.

Our A/C Revolution was around 10 gallons, current coach 15. I'd guess yours to be 10 to 13. You may have to contact Newmar be sure. Send an e-mail to their customer service department with you coach number and they can tell you exactly.
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Old 11-25-2017, 01:35 PM   #5
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DEF Capacity

Mine (a 2016 Ventana 4369) holds 13 gallons. I confirmed this on the Newgle site (Newmar's Knowledge Database). If you have a login your coach specifications should be there, too.

If you don't have a Newgle login and no one gives you an answer on this forum, you could also call Freightliner 24/7 or Newmar Customer Support.
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Old 11-25-2017, 04:10 PM   #6
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Thanks for the replies. I wasn't able to find it on Newgle. Probably not looking in the right place. But you've given us an idea of the size for now.
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Old 11-25-2017, 04:13 PM   #7
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Pands, yours is 13
https://www.newmarcorp.com/diesel-mo...a/coach-specs/

Mine is 15
https://www.newmarcorp.com/diesel-mo...r/coach-specs/
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Old 11-25-2017, 06:16 PM   #8
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The 34xx and 37xx series Ventana have a 10-gallon DEF tank, The 40xx and 43xx series have a 13-gallon tank.
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Old 11-25-2017, 06:46 PM   #9
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Quote:
Originally Posted by Tranquil Jim View Post
The 34xx and 37xx series Ventana have a 10-gallon DEF tank, The 40xx and 43xx series have a 13-gallon tank.


Ten gallons sounds about right for our '15 3636 VTDP.
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Old 11-25-2017, 07:16 PM   #10
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Ours will take 12 when the red light comes on.
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Old 11-26-2017, 02:43 AM   #11
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Do you have access to to your Newgle account?

If so, you can find such detailed info on your particular motorhome by going to it.
A quick search under DEF in Newgle produced the following (link) which indicates the 2017 XCR Ventana has a DEF capacity of 13-gals.

Click image for larger version

Name:	Ventana.jpg
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https://newgle.newmarcorp.com/@api/d...g_2017_xcr.pdf
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Old 11-26-2017, 06:02 AM   #12
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Thanks, everyone! I had looked in Newgle, but was only coming up with the capacity for diesel.

Susan
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