Is 5.9 or 6.7 Cummins better?

The 5.9 Cummins offers a fixed geometry turbo, which differs from the 6.7 Cummins variable geometry. … 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.

Subsequently, Which Dodge Cummins Engine is best?

Cummins 5.0L V8 TURBO

The Cummins 5.0L V8 TurboDiesel is the best Cummins engine for smaller trucks and drivers who don’t need as much pulling power. It utilizes a compacted graphite iron block for a durable construction that is still light enough for smaller applications.

then, What are the problems with the 6.7 Cummins?

A few issues that may occur with the 6.7 Cummins turbo include: Leaking oil seals . Worn bearings (too much shaft play) Sticking VGT parts.
…
Dodge, Ram 6.7 Diesel Turbo Failure Symptoms

Slow spool.
Poor performance.
Excessive smoke from exhaust.
Whining sounds.

Thereof How many MPG does a 5.9 Cummins get? We 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.

Why are Cummins engines so good?

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.

17 Related Questions Answers Found

Which is better Hemi or Cummins?

Overall, the gas HEMI engine provides the best gas horsepower among 250/2500 pickups — and more payload capacity than the Cummins — but the turbo diesel outperforms it with mountains of torque and more maximum towing capacity.

Is 24v better than 12v Cummins?

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. P7100 injection pumps on the 6BT are easier to mod and support the extra power.

Which is better Duramax or Cummins?

More horsepower means faster acceleration whether you’re towing or not. The current Duramax 6.6L L5P diesel wins this category with 445 horsepower. The current 6.7L 24V Ram Cummins diesel engines produce 400 horsepower. Historically, horsepower has swayed slightly in favor of the Duramax versus the Cummins line.

Is deleting a 6.7 Cummins worth it?

To put it bluntly, no, you should not remove the emissions equipment from any diesel pickup. Removing emissions equipment also voids the vehicle’s factory warranty. …

How many hours will a Cummins 6.7 last?

The engines usually last 20,000 hrs, or more with decent maintenance. A cummins with 5000 hrs is nothing, and in equipment they can do a lot of idling.

How many miles can a Cummins diesel last?

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.

How many MPG does a 12v Cummins get?

The ¾-ton and 1-ton Dodge Rams they grace can be made to produce 500 rwhp with relative ease, rack up more than 20 mpg on the highway and easily last more than a half a million miles.

How many miles per gallon does a Dodge 2500 Diesel get?

The Ram 2500 comes with a 6.7-liter Cummins inline-six turbodiesel that is known for its massive amount of torque. It’s paired with a six-speed automatic transmission. As tested in a four-door Laramie trim, the Ram 2500 manages 14 MPG overall.

Is powerstroke better than Cummins?

The Power Stroke has more horsepower, but slightly less torque, while the Cummins has the opposite. However, as noted by AutoWise, the Power Stroke ultimately produces more horsepower, which is a better indicator of engine strength in real driving situations.

Why did Nissan get rid of Cummins?

But the decision to ax the diesel motor is telling: An oil-burner from a brand like Cummins was supposed to be a coup for Nissan, a way for it to make headway in a market that heavily favors trucks built by American manufacturers.

Is it bad to let a diesel engine idle?

Most engine manufacturers recommend that newer diesel engines idle for no more than 3 minutes before driving. … Letting an engine idle actually does more damage to the engine than starting and stopping. Running an engine at idle causes twice the wear on internal parts com- pared to driving at highway speeds.

What fuel mileage does a 6.7 Cummins get?

Why is the Hemi so good?

A HEMI® engine is composed of a hemispherical combustion chamber with dome shaped cylinders and matching piston tops. This creates less surface area than traditional engine which means that less heat and energy lost, and more power is produced.

Are Hemis reliable?

Again, the Chrysler 5.7 HEMI is a pretty reliable engine. Problems can and will occur at some point in the engines life. However, it’s a risk we take with all engines and the best we can do is maintain them as well as possible. 5.7L HEMI longevity should be north of 200,000 miles if well maintained.

How long will a 12 valve Cummins 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.

How reliable is a 12 valve Cummins?

5.9L 12v Cummins 6BT Reliability

The Cummins 12v/6BT is widely regarded as the best and most reliable diesel engine ever produced. … The engine and its components such as the P7100 P-pump will easily make it to the 500,000 mile mark with adequate maintenance.

What year is the best 12 valve Cummins?

1996-1998 has the best injection pumps (perhaps ignoring the 1989-1993 VE) and stronger automatics compared to earlier years. Look at the buyers guide section in the thread below. The 1998 12 valve trucks were only built in 1997.