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 > best ever fuel mileage 2009 6.4L

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specta

utah

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Posted: 08/04/20 05:50pm Link  |  Quote  |  Print  |  Notify Moderator

[image]

2009 F-450 6.4L 4.88 gears.
Empty. Never driven over 70 mph.
45 mph brought it up .2 mpg from its overall average of 9.3 mpg.

[image]

Loaded 4.5 mpg. The snowcat weighs 10,000 lbs. Not sure how much the trailer weighs.

I would have thought that it would do better.


Kenny
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Lwiddis

Near Annett’s Mono Village, Bridgeport, CA

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Posted: 08/04/20 06:00pm Link  |  Quote  |  Print  |  Notify Moderator

Empty 9.3 to 9.5 MPG isn’t very good IMO.


Winnebago 2101DS TT & 2020 Chevy Silverado 1500 LTZ Z71, 300 watts solar-parallel & MPPT, Trojan T-125s. TALL pole for flags. Prefer USFS, COE, BLM, NPS, TVA, USF&WS, state & county camps. Bicyclist! 14 year Army vet - 11B40 then 11A - (MOS 1542 & 1560)


Cummins12V98

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Posted: 08/04/20 06:46pm Link  |  Quote  |  Print  |  Notify Moderator

From what I have read that engine Love’s to drink Diesel.


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rjstractor

Maple Valley, WA

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Posted: 08/04/20 07:36pm Link  |  Quote  |  Print  |  Notify Moderator

Cummins12V98 wrote:

From what I have read that engine Love’s to drink Diesel.


They sure do. My fire department's rescue team has one, an F550 sitting at about 18,000, plus towing a 7K trailer. It's got plenty of power, but 5-6 mpg is typical.

specta

utah

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Posted: 08/04/20 07:43pm Link  |  Quote  |  Print  |  Notify Moderator

Not too impressive for a diesel is it?

NRALIFR

Truck Camping Out West

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Posted: 08/04/20 07:52pm Link  |  Quote  |  Print  |  Notify Moderator

Can you tell how often it regen’s (DPF clean)?

The 2010 F450 I had would regen as often as every 75 miles. That will kill your fuel mileage for sure, but with 4.88 rear axle it’s never going to be great.

Sorry, but I learned to hate that engine.

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2001 Lance 1121 on a 2016 F450


FishOnOne

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Posted: 08/04/20 09:32pm Link  |  Quote  |  Print  |  Notify Moderator

Cummins12V98 wrote:

From what I have read that engine Love’s to drink Diesel.


And it loves to drink the cash from your wallet.


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specta

utah

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Posted: 08/04/20 09:52pm Link  |  Quote  |  Print  |  Notify Moderator

FishOnOne wrote:

Cummins12V98 wrote:

From what I have read that engine Love’s to drink Diesel.


And it loves to drink the cash from your wallet.


The engine has been replace twice with new factory engines at the dealership.

In the last 12 months its had close to $10,000 sunk into it. Some of it was AC work.

Its a lease vehicle so they just keep dumping money into it.

In all reality its a slug.

I towed that same snowcat with a 2007 Chevy 3500 regular cab with the 8.1 gasser.

It climbed the mountain grades just as fast, got 4.5 mpg towing and 12 mpg empty.

I would have to think the V-10 would out perform these 6.4s.

Being a 450 with a tad longer wheel base it handle the cat a lot better than the Chevy did and this one has a limited slip which helps a lot when the going gets bad in the storms.

And with the gearing it doesn't labor as hard from a dead stop as the gasser did.

Grit dog

Black Diamond, WA

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Posted: 08/05/20 12:21am Link  |  Quote  |  Print  |  Notify Moderator

Aside from being an engine eating turd, it’s a lease for 11 years?
And the lessee picks up the major repair bills?
I should lease vehicles to the government for a living!


"Yes Sir, Oct 10 1888, Those poor school children froze to death in their tracks. They did not even find them until Spring. Especially hard hit were the ones who had to trek uphill to school both ways, with no shoes." -Bert A.

noteven

Turtle Island

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Posted: 08/05/20 11:10am Link  |  Quote  |  Print  |  Notify Moderator

Be a nice candidate for a Cummins swap next time it breaks down.

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