Fuel Mileage on 2005 5.9 TD 3500 Dually
07-18-2011, 06:05 PM
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4x4 or 2x4? Automatic trans or manual? Regular cab or quad cab? Rear end gear ratio? All of these things make a difference! Impossible to answer your question without more info. 
07-18-2011, 06:49 PM
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07-19-2011, 04:33 PM
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my 2 cents
if it has 3.73 gears, then around 15 to 16 city and around 18-20 hwy
if it has 3.42 gears it will get slightly better mpg, if it has 4.11 or deeper gears it will get substantially less. Driving it like grandma will help a little bit, but not much.
Obviously, when you are towing, mileage will decrease substantially, depending on amount towed and if you are driving up some hills.
if it has 3.42 gears it will get slightly better mpg, if it has 4.11 or deeper gears it will get substantially less. Driving it like grandma will help a little bit, but not much.
Obviously, when you are towing, mileage will decrease substantially, depending on amount towed and if you are driving up some hills.
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