How Many Gallons?
Tuned
Joined: Sep 2010
Posts: 348
Likes: 22
From: Creston, NC
Per the 2020 Build Guide the fuel tanks are as follows.
29 Gallon (Diesel Engine) – 142"or 148” Wheelbase XL and XLT only
34 Gallon (Diesel Engine) – 160" or 164" Wheelbase All Trim Levels
34 Gallon (Gas Engine) – NA 176” Wheelbase All Trim Levels but not on Limited
48 Gallon (Gas Engine) – 176” Wheelbase All Trim Levels but not on Limited
48 Gallon (Diesel Engine) – 176" Wheelbase All Trim Levels
29 Gallon (Diesel Engine) – 142"or 148” Wheelbase XL and XLT only
34 Gallon (Diesel Engine) – 160" or 164" Wheelbase All Trim Levels
34 Gallon (Gas Engine) – NA 176” Wheelbase All Trim Levels but not on Limited
48 Gallon (Gas Engine) – 176” Wheelbase All Trim Levels but not on Limited
48 Gallon (Diesel Engine) – 176" Wheelbase All Trim Levels
Laughing Gas
Joined: Dec 2019
Posts: 863
Likes: 35
From: MA
I have other reasons for the 8' bed, sheet goods at the lumber yard. I would love 48 gallon tank but didn't want the crew cab.
I wonder if the 48 gallon can fit in a super cab chassis.
I wonder if the 48 gallon can fit in a super cab chassis.
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Senior User
Joined: Aug 2017
Posts: 175
Likes: 6
From: Chicago Suburbs
This is the #1 reason I traded my 2017 6.2. The range on my SCLB was so bad when towing my travel trailer. 48 gals only with crew cab and long bed.
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Tuned
Joined: Oct 2003
Posts: 463
Likes: 43
From: COLORADO, USA
Yea if you tow any decent amount with these trucks and you have a gas engine the 8' bed is a must. I was towing my camper from IA to CO and had a nasty head wind. I was filling up every 200 miles or so. I couldn't have even imagined if I had the smaller tank at the time. That trip alone made my mind up to go back to the diesel.
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