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Old 08-20-2015, 06:53 PM   #1
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Ford 6.4 liter diesel

I found a ford 450 with a 6.4 liter diesel. Is this a good engine or should I keep looking. Don`t remember the mileage. One owner truck . Thanks

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Old 08-20-2015, 07:04 PM   #2
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2010 was the last year for the 6.4 and the last non DEF engine.
2011 was the first year for the 6.7 with a 6 speed transmission, between a slightly lighter engine and the 6 speed the fuel mileage went up greatly.

So the trade off it 6.4 no DEF and lower mileage or the 6.7 and better mileage but needs DEF unless you delete.

Just under 40k on mine with no problems.

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Old 08-20-2015, 07:16 PM   #3
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Most people will bash this 6.4 but honestly mine was a power house with zero issues. It was the first generation with regen and had some bugs and poor fuel mileage but a great truck. I just upgraded last fall for a new 6.7. They do need religious maintenance and pay attention to your coolant level closely, and let it finish a started regen. Aside from that I wouldn't hesitate to buy another.
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Old 08-20-2015, 07:31 PM   #4
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Ah the joyes of owning a diesel. Would not own one myself. Could not justify the cost of it over a gas. Later RJD
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Old 08-20-2015, 08:00 PM   #5
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As others will note...some 6.4's were great and some were horrible, due your homework on getting the engine inspected and look over closely past issues/maintenance.

Diesels are great tow vehicles...far exceed their gasser counterparts!

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Old 08-20-2015, 08:42 PM   #6
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I have a 6.7 and so far it's a great engine, and surprisingly quick. Pulls awesome. I have a friend with the same engine and over 150k miles. Still going strong. Another buddy has a 2009 f350 dually with the 6.4. He had it deleted and tuned. He now gets better fuel mileage than mine, and runs like a bat out of heck. Before he deleted it, I could leave him in my dust, now it's reversed.
IF I were to acquire a truck with the 6.4, and IF it were in great condition, I would find a shop to delete, and bullet proof it.

My bud with the 6.4 runs a hotshot service to the oil fields in N. Dakota from south Louisiana, usually through Houston. He has over 450k miles on it now, almost all highway...still running strong. He tells me that when it starts giving him trouble, he will buy another 6.4 and drop in. He finally had to replace the ceiling liner and the drivers bucket seat at around 300k miles. I think he's on his 11th set of tires. He put a transmission in at around the same time. I recall him being somewhere in Oklahoma when it crashed on him pulling a load of pipe.

It's a good engine, but it needs a little tweaking.
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Old 08-20-2015, 09:08 PM   #7
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Originally Posted by aceinspp View Post
Ah the joyes of owning a diesel. Would not own one myself. Could not justify the cost of it over a gas. Later RJD
What a helpful post.
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Old 08-21-2015, 01:49 PM   #8
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I have had many gas engines in past trucks. Nothing compares to the 6.4 in my 2008 f250 Superduty. It's my first FORD as all the rest were GMC or Chev.

Excellent engine in my book. Gas engines can't tow like it.
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Old 08-21-2015, 02:02 PM   #9
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What does delete mean please
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Old 08-21-2015, 02:09 PM   #10
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The 6.4L was still a contract built motor from IH. While a step up from the 6.0L debackle it is not as good as the 6.7, and fuel economy can be horrible. Last place I worked bought one in flat bed configuration. Fuel economy was about 10MPG on a good day. The truck was rarely loaded, so IMHO with a fiver hitched you would be lucky on a good day to see 10.

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diesel, ford

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