How many miles does the average Cummins last?

The Cummins brand is extremely reliable and prides itself on long-lasting engines. The 5.9-liter engine can expect to churn out 300,000 to 400,000 miles. The 6.7-liter engine ranges in the middle of that at 350,000 with no modifications and proper services. Diesel engines are made to be powerful and give high output.
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How long do Cummings engines last?

Generally speaking, the 6.7 Cummins engine in the Ram 2500 should last at least 350,000 miles. Nonetheless, some consumers have said that they have got over 500,000 miles on their Cummins engine. But, of course, the lifespan of any engine will vary depending on regular maintenance and driving behavior.
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What is a lot of miles for a Cummins?

Cummins is the brand of engine found in the Dodge diesel and Ram diesel truck lines. Like the Duramax, Cummins diesel engines can be expected to last a long time. Between 350,000 and 500,000 miles is usually considered high mileage on a Cummins diesel.
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How reliable is a Cummins diesel?

The Cummins engine is durable, reliable, and powerful. Cummins was originally built for heavy-duty, commercial work. It's based on the needs of the most grueling and demanding work, and that delivers benefits for all other Cummins engine designs and applications.
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What is the life expectancy of a 6.7 Cummins?

The life expectancy of a 6.7 Cummins engine generally ranges between 250,000 and 350,000 miles. There's more to the longevity of a Cummins engine than its mileage, though. The mileage of a 6.7 Cummins will specifically depend on the kind of driving you do, not to mention the state of your truck.
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High VS Low Mile Diesel Trucks | What Should YOU Buy?



How many miles will 6.7 Cummins last?

Ram claims the Cummins 6.7 engine to be good for 350,000 miles. The mileage is guaranteed if the scheduled services have been carried out timeously and no performance modifications have been done to the engine.
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Should I buy a diesel with 300k miles?

As for what's considered high mileage for specific diesel engines? According to Prosource Diesel, anything over 350,000-miles is considered high mileage for a used diesel pickup with a Cummins or Duramax engine under its hood. Anything over 350,000-miles is also regarded as high mileage for a Powerstroke diesel engine.
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Is 140k miles alot for a diesel?

To be clear - avoid diesel cars with over 100,000 miles on the clock. Just avoid them. Really. They will cost you money, time and hassle.
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How can I make my Cummins last longer?

The tips offered below will give you and your compression-ignition companion the best chance of hanging in there for the long-haul.
  1. Stick With Factory Parts. ...
  2. Run Quality Fuel. ...
  3. Don't Put Off Fuel Filter Changes. ...
  4. Perform Regular Oil Changes. ...
  5. Maintain A Clean Air Filter—Your Turbo Depends On It. ...
  6. The Emissions Question.
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How many miles can you get out of a 5.9 Cummins?

The Cummins brand is extremely reliable and prides itself on long-lasting engines. The 5.9-liter engine can expect to churn out 300,000 to 400,000 miles.
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Is a 5.9 or 6.7 Cummins better?

To sum up, the more simplistic 5.9 fixed geometry turbo means that while it tends to be more reliable, the more advanced 6.7 variable geometry turbo gives better performance. The Exhaust Brake is a big part of why the 6.7 Cummins is such a powerful towing machine.
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Are 6.7 Cummins reliable?

That said, the 6.7 Cummins is a fairly reliable engine overall. This is especially true if you opt to delete some of the emissions equipment like the DPF and EGR systems. Beware of potential emissions or legal implications, though.
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What is high mileage for a 6.7 Cummins diesel?

But most diesel truck engines do not last that long, not without major work. To be more precise, Ram claims its 6.7L Cummins engine will last for 350,000 miles. For this reason, a Cummins-powered Ram 2500 with good service records is considered high mileage between 350,000 and 500,000 miles.
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What is high mileage for a 5.9 Cummins?

According to Consumer Reports, a properly maintained Cummins engine can last 300,000-350,000 miles. But a poorly-treated truck can wear out much sooner.
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How many miles will a 24v Cummins last?

The lifespan of the 24 Valve Cummins diesel can vary depending on how it is cared for. However, consumers report that you can expect an average lifespan of 300-350,000 miles. Nonetheless, there have been consumers who report exceeding 500,000 miles on their 24 Valve Cummins engine.
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How long does a turbo last on a diesel?

Turbos are designed to last the lifetime of the vehicle (or around 150,000 miles); however, it's possible for them to wear out over time depending on how hard you drive the car and the original build quality of the turbo.
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Is 60000 miles alot for a diesel?

60k isn't a high mileage at all, especially for a diesel. They can last for 250k +, IF (and a big IF) they are looked after properly. When buying any car, try to look past the mileage and age to a certain extent and focus on if the car has been maintained well.
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Why do diesels last longer?

Diesel fuel is a type of distillate fuel that is essentially produced from crude oil, which gives diesel engines slower cylinder wear than gasoline engines. This gives diesel fuel lubrication properties that extend the overall lifespan of the engine.
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Should I buy a diesel truck as a daily driver?

Gas Trucks Answered. Is a diesel truck good for a daily driver?: Diesel trucks make great daily drivers, especially if you have easy access to diesel fuel nearby and are looking for a truck that's torquier than its gas counterparts.
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How long will a 6.6 Duramax last?

The Duramax™ 6.6L V8 Turbo Diesel Engine is sold with a warranty of 100,000 miles/160,000 kilometers. The Duramax™ has been tested to survive upwards of 200,000 miles/320,000 kilometers.
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How long will a 7.3 Powerstroke last?

Robust, iron parts, conservative power and low engine speed are the key ingredients for any diesel engine lasting forever—and if a 7.3L has gone unmodified yet been well maintained its entire life, 400,000 to 500,000 miles is virtually guaranteed.
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Which year Dodge Cummins is best?

1994-1998 2500 & 3500

As far as performance potential goes, it doesn't get any better than the mechanical P7100 equipped versions of the 12-valve 5.9L Cummins. They're simple, rock-solid reliable, and can easily tick off a half a million miles if properly maintained.
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Is Ram 3500 diesel reliable?

Dodge Ram 3500 Reliability Rating Breakdown. The Dodge Ram 3500 Reliability Rating is 2.0 out of 5.0, which ranks it 16th out of 17 for fullsize trucks.
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Which diesel engine is most reliable?

The 7.3L Powerstroke is still considered one of the most reliable diesel engines ever made. It also has plenty of power for most applications, with 500 pound-feet of torque and 235 horsepower. It was built for the long haul, too with an air-to-air intercooler, oil-based fueling, and durable internal hard parts.
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Is 6.7 Cummins or 6.7 Powerstroke better?

The current version of the 6.7 Powerstroke features close to 450hp with 935 ft-lbs of torque, while the latest 6.7 Cummins puts out about 400hp with 1000 ft-lbs of torque, so on paper, the numbers are very similar, but as the race to become the most popular diesel truck in America continues, it will be fun to see just ...
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