Why no heavy duty Chevy pickup?

[Sawyer Rob]

I think they de-rate them because they are carrying much heavier loads for longer periods of time, and the rest of the drive line (read tranny) has to take those extra loads for longer periods too...

Generally, the duty cycle is much higher when you climb the latter of HD trucks.

SR

 

[aczlan]

This is just speculation, but I believe that's because they expect the med and (true) heavy duty trucks to be driven all day every day and rack up a half million miles in no time. De-rating the engine will make it last longer, and that's extremely important to a fleet manager.

They design them to handle being loaded to the max weight rating all day, every day by people who's driving style is to put the skinny pedal on the floor as soon as the light turns green and keep it there until something breaks...

Aaron Z

 

[dnw64]

I think they de-rate them because they are carrying much heavier loads for longer periods of time, and the rest of the drive line (read tranny) has to take those extra loads for longer periods too...

Generally, the duty cycle is much higher when you climb the latter of HD trucks.

SR

That makes sense.

 

[ddbackhoe]

Dont know why you guys in America insist that diesels have higher maintenance cost, in Europe its the other way around: no spark plugs or coils, filters arent any different, and gassers with hydraulic valve tappets need synthetic oil as much as diesels with hydraulic valve tappets. And they hold a bit more oil, which is a fraction of the fuel savings made. Reliability issues with DPF and EGR were never really an issue in Europe, because our smaller engines maintain a proper exhaust gas temperature at light loads for the DPF to function.

A 6.7 just isnt the engine to get some groceries, for most diesel drivers a 300hp ISB 4.5 would be a far smarter choice, for mixed application driving with and without trailer.

My take is that people who complain about diesel maintenance, simply bought more engine than their needs can justify.

Yes, some good points. Quite a few of these type things (in the US) that I read turn out to be HP related. Where someone bought a 6.0 and added a tuner and bigger injectors and now the head gaskets blow out. Someone buys a 5.9 adds a tuner and injectors, blows a tranny. Most of the stories really end up being about going faster, hauling heavy and not bothering to see what can be done before doing it.
Funny part to me, the griping that goes on about what a POS such and such is. One of the guys couldnt come to work because his alternator blew out 3 times. Ended up feeling bad for him and drove over there. After doing some checking found a 90 amp fuse, whats this, oh thats for my stereo. Turns out the alternator would poop out when he was night driving and cranking up the stereo.

 

[Snobdds]

I love the people that dog the 6.0. It makes them cheap.

The 6.0 has far and away the best bottom end on any diesel. Go look at the girdle on that engine and tell me it's not built like a tank. I have never seen a bottom end failure on a 6.0.

Yes the top end had some problems, but it was because Ford choose to use a differnt coolant than IH. It plugged up the oil cooler, then that takes out the EGR, which then leaked into the intake and blew head gaskets. All it needed was a change from the Ford gold coolant or just change the coolant every 3 years.

My dads construction business has had them all...The best were the 6.0 that received yearly fluid maintenance. Not once problem form those trucks.

I bought a mint 06 off a guy that read too much internet talk about how bad they were. He almost gave it to me. I brought it up to speed and It's been a very reliable truck.

So I love guys that don't know what there taking about with the 6.0...just keep on preaching.

 

[atsah]

Looked at an 07 F-350 dump for my brother, I said to the guy does this thing run okay, because I have heard bad things about these 6.0's, he said it seems to run but I know they aren't known for reliability, if you want to take a chance I'll take a few grand off, I said Okay, it has been a very reliable stock truck for a few years now..

He puts ELC in it every two years.

 

[Rustyiron]

A 6.7 just isnt the engine to get some groceries, for most diesel drivers a 300hp ISB 4.5 would be a far smarter choice, for mixed application driving with and without trailer.

My take is that people who complain about diesel maintenance, simply bought more engine than their needs can justify.

I agree and would love to have some more mpg's at the sacrifice of a 100-150 hp but I think that's contrary to their marketing dept.
Are you guy's "over there" subject to all the pollution equipment requirements that we've got here?
What the epa did to gas motors in the late 70's pushed me into the diesels when they came out with a real one made by IH and put in the Ford pickups. Now between my requirements changing and the diesels ending up more convoluted than the gassers of the 70-80's I'm back into gas. They have perfected them imho in terms of longevity and reliability.

 

[dnw64]

...for most diesel drivers a 300hp ISB 4.5 would be a far smarter choice, for mixed application driving with and without trailer.

Sounds cool. What vehicle(s) is it available in? My (quick) internet search only showed it available in a London "New Bus" New Routemaster - Wikipedia

 

[ddbackhoe]

I love the people that dog the 6.0. It makes them cheap.

The 6.0 has far and away the best bottom end on any diesel. Go look at the girdle on that engine and tell me it's not built like a tank. I have never seen a bottom end failure on a 6.0.

Yes the top end had some problems, but it was because Ford choose to use a differnt coolant than IH. It plugged up the oil cooler, then that takes out the EGR, which then leaked into the intake and blew head gaskets. All it needed was a change from the Ford gold coolant or just change the coolant every 3 years.

My dads construction business has had them all...The best were the 6.0 that received yearly fluid maintenance. Not once problem form those trucks.

I bought a mint 06 off a guy that read too much internet talk about how bad they were. He almost gave it to me. I brought it up to speed and It's been a very reliable truck.

So I love guys that don't know what there taking about with the 6.0...just keep on preaching.

Gotta put in a stud kit and x brand gasket or else the gaskets will blow again. Nope, its not x brand gasket its OEm is best. Nope, dont need a stud kit needs factory bolts .

 

[swines]

My life is telling the truth? Good one Eddie!

No. Your 'life" is telling YOUR interpretation of what YOU think is "the truth." Everyone isn't required to see things exactly the way you do, and their "truth" may be different than yours...and that's "the truth."