What is the most reliable Cummins engine?

The 6.7L Cummins has proven itself as one of the best in the game for pickups that pull or haul heavy loads (with factory ratings up to 30,000 pounds). And, for those who race pickups, the 6.7L is the preferred engine of many heavy-hitters at our own Diesel Power Challenge events.
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Whats the most reliable Cummins?

Dodge 2003 – 2007 2500 with 5.9-liter Cummins

This model year range of Dodge Ram trucks was one of the most reliable, both in terms of the 5.9L Cummins and the truck built around it. This truck was born to tow and haul heavy loads.
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What Cummins engine is the best?

The Cummins 6.7L Turbo Diesel is the most powerful engine option for RAM 2500 and 3500 pickup trucks. Producing up to 400 horsepower and 1,000 pound-feet of clean diesel torque, this powerhouse helps RAM deliver best-in-class towing.
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Is 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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Which diesel engine is the most reliable?

The most reliable diesel engine is the powerful 7.3L Powerstroke. The engine comes with sophisticated features that make it outstanding among other diesel engines. Its features include 235 horsepower and 500 pound-feet of torque.
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RAM 2500 Cummins Diesel **HEAVY DUTY Mechanic Review** | Is CUMMINS The BEST?



What 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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Which diesel engine lasts longest?

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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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 many miles will a 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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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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Is 12 valve 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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Are 5.9 Cummins reliable?

Cummins 5.9 24v Reliability

Outside of the fuel system, the 5.9 24v is a very reliable engine. The engine internals such as the pistons, rod, and crankshaft will last a lifetime and can hold up beyond 500,000 miles.
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Is Duramax better than Cummins?

The Duramax leads with horsepower, but the Cummins is the king of torque with numbers up to 1,000 ft-lbs depending on the truck.
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Is the 5.0 Cummins a good engine?

While we do believe that the 5.0 Cummins engine itself is a very durable and strong engine, the 5.0 inside the Titan XD cannot be considered reliable. We have faith in the block, heads, internals, etc. all lasting upwards of 300,000 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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Which is better Cummins or Caterpillar?

In terms of fuel efficiency, Cummins' engines are 6% better than Caterpillar . That's not the only area where CMI's coming out on top. It's taking share from CAT in other heavy-duty engines as well. Cummins is taking share from all its competitors, actually, as it's now the largest supplier to Paccar .
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Should I delete my 6.7 Cummins?

6.7 Cummins DPF Delete Summary

Overall, deleting the DPF and other emissions systems sounds like a really good idea. It prevents clogged filters, reduces maintenance costs, improves performance, and increases gas mileage.
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How many miles per gallon does a 6.7 Cummins get?

The 2022 RAM 2500 comes equipped with a 6.7-liter Cummins® Turbo Diesel Inline-6 and 6.4-liter HEMI® V8 engine that produces up to 410 hp and 429 lb. -ft. of torque in 4×4 configuration. The engine is rated to do up to 12 city/18 highway/15 combined MPG on the fuel economy when running in the four-wheel drive mode.
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Is Dodge dropping Cummins?

Cummins is apparently splitting from Dodge, now partnering with Nissan for a diesel Titan. Likely has nothing to do with it. There will still be Cummins in Rams. Likewise Ford will still offer super duties with their own engines and with navistar engines.
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Is Cummins the best diesel engine?

Cummins diesel trucks, or trucks that use a Cummins engine, are widely regarded as the best in the industry, and for good reason. The company behind Cummins engines, Cummins Inc., is focused on designing strong, durable engines for industrial use.
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Which is better f250 or Ram 2500?

When it comes to trailering, the Ram 2500 can tow up to 20,000 pounds when equipped with an available diesel engine. However, the F-250 does a bit better, with a maximum conventional towing capacity of 24,200 pounds to help you move even more of your work materials from place to place.
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How many miles can a Cummins last?

How long does a Dodge Cummins last? 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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What is the most reliable truck engine?

Toyota UR 5.7L V8

Even in the last decade, no other pickup truck has been nominated as the most reliable and cost-effective over two times like Tundra, which houses this massive engine. This engine has won eight times and that makes it one of the reliable and best pickup truck engines for you.
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What truck has the longest lasting engine?

The 5 Longest-Lasting Used Trucks
  • Honda Ridgeline. The Honda Ridgeline comes in at first place in the category of trucks most likely to last 200,000 miles. ...
  • Toyota Tacoma. The Toyota Tacoma is another midsize truck that can provide reliability and longevity. ...
  • Toyota Tundra. ...
  • Chevrolet Silverado 1500. ...
  • Ford F-150.
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