2020 GMC Sierra HD

[Ford850]

Here is a million mile diesel duramax. Dude posted when he was 10,000 miles away and then again when he hit it. He uses it to install playground equipment in a multi-state area, so most of the miles are on the highway while towing a trailer.

10,000 left.
99k... Almost There! - Album on Imgur

With the odometer stuck at 999,999. How frustrating would that be!
1,, - Album on Imgur

As others predicted, it didn't make it to 1,000,000 miles.

 

[zing]

As others predicted, it didn't make it to 1,000,000 miles.

lol :thumbsup:

 

[buickanddeere]

Your application could well pay although the use of your truck is the exception to the rule . Instead of the typical duty a diesel pickup is subjected to.
As for wear the higher gasoline rpms will make no discernible difference in wear . Few are the pickup truck engines that will ever see 5000 hours of operation . Last time I looked the old 2003 GMC has 4600 hours and 236,000 miles, not kilometres. It痴 not burning oil and it placed mid pack in the 都tock truck pull .
Engine rpms and hours make a difference in the 10,000+ hour heavy duty applications such as irrigation, baseload power generation or marine propulsion applications . Light duty and medium duty engines are retired from old age instead of wearing out .

 

[deerefan]

Your application could well pay although the use of your truck is the exception to the rule . Instead of the typical duty a diesel pickup is subjected to.
As for wear the higher gasoline rpms will make no discernible difference in wear . Few are the pickup truck engines that will ever see 5000 hours of operation . Last time I looked the old 2003 GMC has 4600 hours and 236,000 miles, not kilometres. It痴 not burning oil and it placed mid pack in the 都tock truck pull .
Engine rpms and hours make a difference in the 10,000+ hour heavy duty applications such as irrigation, baseload power generation or marine propulsion applications . Light duty and medium duty engines are retired from old age instead of wearing out .

I agree, I do see a lot of diesels “cruising” instead of working. I am not sure I agree on the higher rpm wear/not worn thought. A motor is good for a certain amount of miles/rpms then wear sets in. For discussion, let’s say a gas engine begins to wear at 100k miles. Let’s say it takes 1 million revolutions to equal 100k miles. That revolution goal is reached faster at say 3500 rpm vs 1700 rpm. Gas engines make their peak power, commonly, at 3k rpm or higher. By using my math, you should expect twice the life from a diesel. I could be wrong though

 

[3Lfarms]

This life expectancy story is going to have to called for being bogus . If you are thinking about farm tractor engines gas vs diesel or vehicles Up to the 1990’s . Back then the diesel WAS the hands down winner.
The chassis is going to be rusted out , worn out and shook apart before a gas engine wears out . 300,000 on an unleaded burning injected emissions gasser is not unusual .
The million mile stories are the very rare exception or bogus claims . Certainly not typical service of the typical light diesel truck on the road today.
Now let’s leave the past and move back to 2019. As for your Tier IV emissions diesel making 300,000 miles without $$$ service . oh please make us all laugh ourselves until our sides are sore .
The cost to the owner after the factory warranty expires on Tier IV diesel .the cost is prohibitive . For just the cost of a set of diesel injectors , you can purchase an entire new gas crate engine .
Even routine diesel service for filters and oil changes is expensive .
If 355HP or 420HP from a gasser is not enough . You need to look at your driving style . It wasn’t very long ago that a 318 hailed 40 tons of freight cost to coast over tow mountain ranges . And nobody was insulted .

You need to move out West. A truck that isn’t used at a plow/salt truck will last forever if washed once in a while out here. Humidity is less than 10% most of the time.
As far as the 1m mile club dodges, I’ve seen two. One was an 04, other was an 06. Not exactly 1980s pickups. Neither had any internal engine work. The 06 did get a set of injectors at 400k due to water contamination when the driver didn’t bother to drain the water separator when the light came on. The 04s had a problem with the lift pumps failing prematurely because Dodge put it on the fuel canister attached to the engine block. The vibration would cause them to fail between 50 and 100k. That truck had a Fass pump/filter/water seperator installed at 70k. Good filtering is key with the HPCR engines.
Funny thing is the digital odometers stop at 999,999. The only way to fix is to replace the entire instrument cluster.
Cummins powered Dodges have always made too much power for the automatic transmission until they went to the Asin. There is a reason Dodge has always had a manual transmission as an option with the Cummins...low cost of ownership. A new clutch every quarter million miles is about standard.
2WD Dodges also don’t have the front end problems associated with the solid front axles, and better mileage.
That is why I have a 2WD dually with an NV5600 trans. It gets brakes and U-joints about every 80k miles. Zero rust and no issues. It turns in 22MPG empty at 70mph and about 10MPG towing 20K at 65mph. And it will drag that 20k lbs up a 6% grade at 60mph. I don’t know what the speed limit is there, but out here, it’s 80 on all the interstates. 30mph towing up every hill wont win you any friends out here.

In conclusion, there is no reason to think that a new diesel can’t go over 500k without major work. The emission add ons may fail, but when they do, owners just delete it and keep on going. The pumps and injectors aren’t that different than the ones from 10 years ago. The VVTurbos can coke up when used as a soccer mom vehicle, but when used to tow, the failure rate goes down and life expectancy goes up.

 

[swines]

If 355HP or 420HP from a gasser is not enough . You need to look at your driving style.

Has nothing to do with horsepower and everything to do with torque. I pull a flatbed that I use for my tractor and related implements. I also use the truck for hauling a truck camper. I prefer the diesel for both purposes as I never run out of power going up 6%+ grades. I've found the diesel to be far superior to gas for my use, and it makes driving much easier and more relaxing. The diesel rarely gets over 2300 rpm under any load at any time, far better than listening to the hard-working drone of a gas engine laboring at high RPM under the same load.

Lastly, I'm 70 years old and I'll buy whatever I want without your approval. I can afford the truck and the fuel cost - and, after driving diesels for the past 35 years, I've never found the maintenance to be as onerous as the make believe scenarios found on Internet know-it-all forums.

 

[buickanddeere]

Diesels, four strikes in particular can not rev because the cam duration is so short .
Doesn’t matter the amount of torque . 300Hp takes the load to the top
Of the hill of the hill before 200HP does . Simple laws of physics . Power (physics) - Wikipedia

 

[deserteagle71]

Diesels, four strikes in particular can not rev because the cam duration is so short .
Doesn稚 matter the amount of torque . 300Hp takes the load to the top
Of the hill of the hill before 200HP does . Simple laws of physics . Power (physics) - Wikipedia

Guess all those 18 wheeler heavy haulers better start changing out those low-rpm, high torque diesels for screaming little high-rpm, no torque V-6s.......WOW! Who knew they had it all wrong all these years?

 

[ovrszd]

Guess all those 18 wheeler heavy haulers better start changing out those low-rpm, high torque diesels for screaming little high-rpm, no torque V-6s.......WOW! Who knew they had it all wrong all these years?

Yeah, what a bunch of idiots.

 

[deezler]

Guess all those 18 wheeler heavy haulers better start changing out those low-rpm, high torque diesels for screaming little high-rpm, no torque V-6s.......WOW! Who knew they had it all wrong all these years?

They don't have it wrong, but HP is still what does the work. Having more torque just means the HP is accessible at a lower RPM, which is nice for calmer driving, engine longevity, and fuel consumption, among other reasons. Diesel engines lend themselves to power at lower RPM, which means high torque figures. But truck fleet operators don't choose diesel engines for the torque rating.