How Many Miles Can A Cummins Diesel Last?

How many miles is too many for a used diesel truck?

High Mileage Generally speaking, diesel trucks are sold with higher mileage than the typical used vehicle.

It is not uncommon to see a used diesel truck for sale with over 200,000 miles on it.

Granted, diesel engines typically have better reliability than a gasoline equivalent, but high mileage remains a concern..

Is it OK to buy high mileage diesel?

Diesel Rule 1: NEVER buy high mileage To be clear – avoid diesel cars with over 100,000 miles on the clock. Just avoid them.

A simple design with unmatched reliability, tremendous performance potential and rugged, million-mile durability sums up the appeal of the 12-valve 5.9L 6BT Cummins. The 12-valve 5.9L 6BT Cummins came out of the box with 230hp, 440 lb-ft of torque and a P7100 inline injection pump.

What are the problems with the 6.7 Cummins?

Common 6.7 Cummins Problems and Issues:Clogged turbocharger.EGR and DPF issues.Exhaust troubles.Usual check-engine light.Head gasket failures.Injectors going bad.

Who makes the most reliable diesel engine?

Best Diesel Engine – 10 Most Reliable Units on the Market6.6L Duramax LB7 – Overall Best Diesel Engine. … 6.7L Power Stroke – Best Ford Diesel Engine. … 7.3L Power Stroke – Best Powerstroke Engine. … 6.6L Duramax LP5 – Best Year Duramax Diesel Engine. … Chrysler 3.0L EcoDiesel – Best Small Diesel Engine. … 6.6l Duramax LBZ.More items…

Do diesels need to be driven hard?

Driving a diesel engine hard will produce less soot per kWh of useful work. … Driving a diesel hard will also use more fuel. Use the torque which is what a diesel is about and let the DPF sort itself out as necessary, it works for most people like that.

Is 5.9 or 6.7 Cummins Engine better?

The common-rail 5.9L Cummins was produced from 2003-2007 and featured a fixed-geometry turbo. … However, the 6.7L’s use of a variable geometry turbocharger makes it much more responsive than the 5.9L at low rpm, not to mention that it incorporates a very effective exhaust brake function.

What year 5.9 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.

What is the best year Dodge Cummins to buy?

1989-1993 Dodge Ram 2500 and 3500 – Timeless Diesel.2003-2008 Dodge Ram 2500 and 3500 Heavy Duty – Best Used Diesel Value.2010-2013 Ram 2500 Heavy Duty – Most Capable Diesel.2020 Ram 3500 Heavy Duty – First 1,000 lb-ft Diesel.1999-2003 Super Duty – Best Budget Diesel.2008-2010 Super Duty – Best Diesel to Modify.More items…•

What is the best Dodge diesel engine?

Our Picks for the Best Diesel Pickup Truck Engines of the Last Two DecadesChrysler. 3.0L EcoDiesel. … Cummins. 5.9L 12-Valve. … 6.7L 24-Valve. Displacement: 6.7L (408ci) … 5.0L. Displacement: 5.0L (305 ci) … Duramax. 6.6L LBZ. … 6.6L LML. Displacement: 6.6L (403ci) … Navistar/Ford. 7.3L Power Stroke. … 6.4L Power Stroke.More items…•

Are Short Trips bad for diesel engines?

“But that’s doesn’t mean you can go 300 days without filling up if you’re just going to the store and back.” Short running times are bad for a diesel engine, and will hurt it’s efficiency and reliability, says Patrick Brown-Harrison, an automotive instructor at SAIT Polytechnic in Calgary.

What is high mileage for a Cummins diesel?

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.

How long will a 5.9 Cummins last?

about 10,000 hoursCummins published figure is an MTBO of 350,000 miles, or about 10,000 hours.

What is the life expectancy of a 6.7 Cummins?

So, the general consensus seems that a Cummins engine’s life expectancy is from 300k-400k miles, but if you follow the correct steps, you could, and should have some sort of control over the life span of your engine, and we don’t think crossing your fingers will really suffice.

How many MPG does a 5.9 Cummins get?

29 MPGWe own five Dodge 4×4 pickups with the 5.9L Cummins, and we are thrilled with all the trucks. All five trucks we own average 29 MPG highway, and 24 MPG in town. Cummins 5.9L has the fuel economy, speed, and the power to pull. We only drive Cummins 5.9L, and we could not be happier with the superior performance!

Is the 5.9 Cummins a good engine?

But undeniably, of all Cummins pickup truck engines, the 12-valve 5.9-liter is the king. Cooper from Diesel Power Products says “It’s probably the most reliable platform ever made on any diesel truck.”

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.

Is Duramax better than Cummins?

While the 6.7L Cummins and the 6.7L Power Stroke share the same displacement, the 6.6L Duramax is a pretty close match. … Horsepower and torque numbers are similar between the three diesel engines, but the Cummins engine leads the pack with its torque rating breaching the four-figure threshold.

Is the 6.7 Cummins a good motor?

Ford’s new 6.7 seems to be a pretty good engine (I drive one some as part of my work and I really like it) and Ford’s 6-speed automatic that it is mated to seems to be a very smooth transmission.

What is wrong with EcoDiesel?

Fiat Chrysler Automobiles (FCA) has recalled 107,898 Ram EcoDiesel pickup trucks in the U.S. from 2014 through 2019 model years due to a potential for coolant to leak into the engine and cause a fire, according to a statement from FCA. The recall does not include the 2020 model year or any gasoline-powered trucks.

What is the most reliable diesel truck?

Best Diesel Trucks of 20202020 Ram 1500.2019 Ford F-150.2020 Chevrolet Silverado 1500.2020 GMC Sierra 1500.2020 GMC Canyon.2020 Chevrolet Colorado.2020 Ram 2500/3500 HD.2020 Ford Super Duty.More items…•