What is the highest mileage Cummins?

Of the highest is a 1996 Dodge Ram with a 5.9-liter Cummins diesel engine that has 3,016,789 miles. Following that is another two 5.9-liter Cummins engines that also have over 3,000,000 miles on them.
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How many miles can a Cummins engine 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.
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How many miles will a 6.7 Cummins go?

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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How long will Ram 2500 Cummins last?

The Ram 2500 is a very durable vehicle and is expected to last between 230,000 to 250,000 miles which is approximately 15 years of service, based on the national average driving mileage. The longevity of this truck is dependent on regular maintenance and good driving habits.
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How long will a Dodge Cummins diesel last?

Cummins diesel engines can last a long time, as with Duramax engines. Cummins diesel engines typically have a range of 350,000 to 500,000 miles.
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High VS Low Mile Diesel Trucks | What Should YOU Buy?



Is 200 000 miles alot for a Cummins?

Even when used extensively for towing and hauling, Powerstroke, Cummins and Duramax diesel trucks typically last well beyond 100,000 miles. Because of that, it's not uncommon to see diesel pickups with 200,000 and even 300,000 miles commanding good resale values on the used truck market.
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What is high mileage for a 6.7 Cummins diesel?

The 6.7 Cummins' electronic control system enables the engine to make more power at lower RPMs while burning less fuel. Maintenance may be more expensive than for the 5.9, but the well-cared-for 6.7 can still last 300,000 miles without a major rebuild.
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How many miles can you get out of a 24 valve Cummins?

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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Which year 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 the 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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Is it worth deleting 6.7 Cummins?

There are two primary reasons for deleting the DPF system on the 6.7 Cummins. First is for performance purposes. Since the DPF system is part of the exhaust, it creates a lot of backpressure which detracts from performance potential. Secondly, the DPF system is prone to clogging and costs $2k+ to replace when it clogs.
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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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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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Is 120k 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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What is the best Cummins engine ever made?

#1 – 6.7L Cummins – (Best for Towing)

The 6.7L Cummins turbo-diesel was designed to replace the aging 24-valve 5.9L Cummins, which proved unable to keep up with increasingly stringent emissions standards.
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What is considered high mileage?

Up to 1000 miles a month – or 12,000 miles per year – is seen as average car use, any more than that would be considered high mileage – a two-year-old car with 40,000 miles, say. That said, the term 'high mileage' is usually reserved for cars that have covered 100,000 miles or more.
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Is Dodge dropping Cummins?

The Dodge Cummins lives on in the 2021 Ram pickup truck

Dodge began offering Cummins engines in its heavy-duty Ram trucks in 1989 and never stopped. For the 2010 model year, Dodge Ram trucks spun off into its own brand called Ram.
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Who makes the most reliable diesel truck?

What is the Most Reliable Diesel Truck?
  • Ford 1999 – 2003 Super Duty with 7.3-liter Powerstroke.
  • Ford 2008 – 2010 F-250 and F-350 with 6.4-liter Powerstroke.
  • Chevy 2001 – 2004 Silverado 2500 HD with LB7 Duramax.
  • Dodge 2003 – 2007 2500 with 5.9-liter Cummins.
  • Dodge 1991 ½ – 1993 with 5.9-liter 12-Valve Cummins.
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What year is the best 12-valve Cummins?

Among its strong suits are;
  • P7100 (The Holy Grail) While the 12-valve was built from 1989 to 1998, most people look for the 1994-98 model. ...
  • Affordable Injector Upgrades. ...
  • Simple Designs. ...
  • HX35: ...
  • Free Horsepower.
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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 Cummins a million mile engine?

With a list of over 6,700 vehicles, 90 of them have over one million miles on their odometers! Of the highest is a 1996 Dodge Ram with a 5.9-liter Cummins diesel engine that has 3,016,789 miles. Following that is another two 5.9-liter Cummins engines that also have over 3,000,000 miles on them.
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Is a 12 or 24 valve Cummins better?

When it comes to serious power and performance the 12v 5.9 Cummins takes the win. These engines are known to hold up better at extreme power levels when compared to the 24v engines.
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How many miles will a Cummins 5.9 last?

The Cummins engine is design for initial overhaul between 400,000 and 500,000 miles.
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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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Who makes the most reliable diesel engine?

7.3L Ford Power Stroke (#1 Reliable Diesel Engine)

After several decades, the 7.3L Powerstroke is regarded as the most reliable diesel engine among its sophisticated counterparts. This diesel engine was a product of the joint venture between International Navistar (now Navistar International) and Ford.
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