F450 Economy - Ford Powerstroke Diesel Forum
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post #1 of 9 Old 09-07-2013, 05:57 PM Thread Starter
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F450 Economy

Greetings,

New member here. I've had 2, 7.3's; an 89 and a 96. My current truck is a 2004 F350 6.0 Chassis Cab (regular cab) with a 8 x 12 aluminum bed. It has a 6 speed manual and 3.73 gears. I use it mostly to haul honey bee hives and also to tow a boat (8,000 lbs) from North Dakota to Louisiana each year.

I'm looking to get one of the new F450's (Supercab) with an 186 inch frame so I can have the same or similar 8x 12 aluminum bed. I plan to get the Lariat with 4:10 gears (as high as they go apparently?). Any of you great members have any guess what kind of mileage I might get? I had hoped to get a 350 but I can't get a Supercab with the wheel base needed for the bed I need. I get along just fine with 3.73 gears in my old truck but I did had to beef the springs up to support the weight I haul. The 450 shouldn't require any modification.

I thank you in advance for the sage advice of the forum members

Chip Euliss
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post #2 of 9 Old 09-07-2013, 06:15 PM
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4:10 will cut your fuel mileage , hard to say how much,at least 1 mpg

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post #3 of 9 Old 09-07-2013, 07:39 PM
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Mileage is bad. Empty 12 loaded 9-10.
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post #4 of 9 Old 09-08-2013, 02:37 PM
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My 2012 F450 crew cab with 8 foot bed and 430 gears will do about 13 empty, , , 14 if you let the cruise control go at 60mph. Pulling a 38 foot toy hauler weighing around 16k will bring that down to between 6.5 and 7.5 mpg depending on speed.

I gotta ask - - why would you even be concerned with fuel mileage on a truck this size?? Sorry, had to ask.


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7.4 mpg as shown @ 70mph and 25740 lbs gross!!

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post #5 of 9 Old 09-08-2013, 03:09 PM
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Would backing down to a F250 with 3.55's and a good trailer work for you?
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post #6 of 9 Old 09-08-2013, 05:11 PM Thread Starter
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Smile

Not really concerned about the mileage, more curious than anything about how it would compare with my 350 and 3.73 gears. I get about 13 unloaded and 9-10 pulling an 8,000 lb boat. Most of my miles are written off as a business expense. A load of honey will weigh in about 7,000 lbs but I don't have to haul it more than 10 miles or so. I had to beef up the springs in the 350 but I'd think the 450 would carry the load fine. A load of bees is less, maybe 5,000 lbs or so. A trailer wouldn't work for me since I pull a trailer with an all terrain forklift when hauling bees from place-to-place.
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post #7 of 9 Old 09-08-2013, 05:13 PM
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Quote:
Originally Posted by claws314 View Post
Would backing down to a F250 with 3.55's and a good trailer work for you?
That would be a recipe for overloading the truck.



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post #8 of 9 Old 09-08-2013, 06:11 PM
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How is 7000lbs on a trailer going to overload the truck?
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post #9 of 9 Old 09-08-2013, 06:23 PM
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Quote:
Originally Posted by claws314 View Post
How is 7000lbs on a trailer going to overload the truck?
I'm saying getting a smaller truck and axle ratio and a large enough trailer, that is easier to overload.



2000 F-350 Lariat Super Duty, Dually, CCLB, 7.3L
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