Diesel consumption of the "new" 6.0 liter Ford turbo diesel (with the 3.55 dif.)

Hi to you all
I looking for fuel consumption on the "new" Ford 6.0 litre turbo diesel engine 5 speed auto and with the 3.55 dif. (lock or not)
Could be an F-350 or E-350
I would like to receive maybe the amount of fuel that was put in for 20 fill up and the amount of distance that was travel for those fill up
Please be specific If you're talking of liter or gallon and if it's gallon that they are US or IMP gallon And if your talking of distance if it is in Mile or Km Finally if you could tell me if the truck is usually loaded (heavily mildley or not at all) would also be a bonus
Thank's to all who will answer ! Have a nice day

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