Question: How Do You Take Care Of A Cummins Diesel?

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..

Does Cummins make the best diesel engine?

A Cummins diesel engine is recognized around the world as a superior truck engine not only because a Cummins engine will have the horsepower and torque a work truck needs to tow a hefty load, but these engines are also noted for unmatched durability.

Is 100k high mileage for a diesel?

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

How long do Duramax engines last?

Most reputable organizations, such as the Association of Diesel Specialists, would agree that the 6.6l Duramax is one of the most reliable diesel motors available today. Provided proper maintenance, it can easily hit the 350,000 mile mark, with some users claiming 400-500,000 miles is the norm.

Are Short Trips bad for diesel engines?

A diesel engine won’t save you money on fuel if you’re only taking short trips to the store, and it will end up costing you more than a gasoline engine in the long run. … “They’re quiet, they have great acceleration and extremely good fuel efficiency.

What happens if I run out of diesel?

When a diesel engine draws in air instead of fuel, both the fuel pump and fuel injectors can become damaged. … As well as this, when you run out of fuel in a diesel engine you might need to bleed the system to get rid of the air before you can top it up again with diesel, which is a job for a specialist.

Will diesels be banned?

A ban on selling new petrol, diesel or hybrid cars in the UK will be brought forward from 2040 to 2035 at the latest, under government plans. The change comes after experts said 2040 would be too late if the UK wants to achieve its target of emitting virtually zero carbon by 2050.

What’s high mileage for a Cummins?

100,000 milesFor those of you who’ve reached 100,000 miles or more on your Cummins engine, Cummins has an exclusive club just for you! As a Cummins owner, you are one of our most loyal, enthusiastic customers, and we want to reward you for your dedication to making a great thing last.

How long will a Cummins diesel last?

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.

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 do you maintain a diesel engine?

Top 5 Maintenance Tips For Diesel EnginesMonitor Your Coolant. Your diesel engine’s coolant is one of its most important maintenance needs. … Keep It Clean. Keeping your diesel engine clean is very important for its preservation. … Fuel Filter Changes. … Effective Air Filters. … Appropriate Oil Changes.

Why did Nissan discontinue the Cummins?

Nissan is discontinuing its diesel-powered Titan XD pickup due to low sales. … Backed by a five-year, 100,000-mile bumper-to-bumper warranty, the 310-horsepower, Cummins V-8 XD delivers 310 hp, 555 lb. -ft. of torque, and a maximum towing capacity of 12,830 pounds.

What diesel engine is the most reliable?

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…

Is Cummins better than PowerStroke?

The main reason is that the two main specs of torque and horsepower are very close. The Power Stroke has more horsepower, but slightly less torque, while the Cummins has the opposite.

Can low mileage damage a diesel car?

Diesel Rule 3: Don’t buy diesels for low mileage or inner city life. Driving at low speeds and short distances clogs up your Diesel Particulate Filter (DPF) quickly. The effect of this is much slower if you have a high annual mileage (think 10,000+ miles per year) or drive mainly on motorways.

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.

What is the best year Duramax?

The 2001 – 2004 model years are great on fuel, have the least emissions components, and shouldn’t give you any problems if the injectors were replaced under warranty. Avoid the 2007.5 – 2010 model year trucks if you are concerned with fuel economy.

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.

How reliable are Cummins diesel engines?

I’d have to say that Cummins has always made the most reliable Diesel engine. Sure, they’ve had issues, but not as bad as the other engines and there are more old Dodge Rams with Cummins Turbo Diesel engines driving around in this county than any other diesel truck.

Is it OK to buy a diesel truck with 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.

How long will a 12 valve Cummins last?

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.