Quick Answer

Your Question Is the 2008 6.7 Cummins a good engine?

Dodge and Ram trucks with the 6.7 Cummins engine are pretty reliable, overall. Sure, it doesn’t have the same legendary reputation as older diesels like the 7.3 PS or 5.9 Cummins. Unfortunately, the emissions parts of the modern day work against reliability in many ways.

How much horsepower does a 2008 6.7 Cummins have?

The new Cummins is almost 1.0 liter larger, now displacing 6.7 liters in its trademark inline-six configuration. Horsepower is increased significantly to 350 (up 25 from the previous 5.9-liter I-6), and torque is now 650 pound-feet at 1600 rpm, up from 610.

What Cummins is in a 2008 Dodge?

The 6.7-liter Cummins turbo diesel is the cleanest running diesel in the segment.

What engine is in a 2008 Cummins?

The new Cummins 6.7l engine from 2007.5 to 2015 had 350-385 HP and 865 lb-ft of torque. In 2016 Cummins broke the 900 lb-ft torque mark. For both 2015 and 2016 Cummins had broken the torque records for any massed produced road worthy vehicle in the United States.

Is it worth deleting 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.

What year Cummins is most reliable?


  • #1 Best Year: 2019 Dodge Cummins.
  • #2 Best Year: 2018 Dodge Cummins.
  • #3 Best Year: 2020 Dodge Cummins.
  • #4 Best Year: 2017 Dodge Cummins.
  • #5 Best Year: 1989 Dodge Cummins.
  • #6 Best Year: 1990 Dodge Cummins.
  • #7 Best Year: 1994 Dodge Cummins.
  • #8 Best Year: 1995 Dodge Cummins.

What is considered high mileage on a 6.7 Cummins?

But most diesel truck engines do not last that long, not without major work. To be more precise, Ram claims its 6.7L Cummins engine will last for 350,000 miles. For this reason, a Cummins-powered Ram 2500 with good service records is considered high mileage between 350,000 and 500,000 miles.

What is the life expectancy of a 6.7 Cummins?

The life expectancy of a 6.7 Cummins engine generally ranges between 250,000 and 350,000 miles. There’s more to the longevity of a Cummins engine than its mileage, though. The mileage of a 6.7 Cummins will specifically depend on the kind of driving you do, not to mention the state of your truck.

Is 5.9 or 6.7 Cummins Engine 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.

How much can a 2008 Ram 2500 Cummins tow?

“Properly equipped,” writes J.D. Power, “a Ram 2500 can tote up to 3230 pounds of payload and tow up to 13,700 pounds, while a Ram 3500 can haul up to 5110 pounds of payload and tow up to 16,850 pounds.”

What transmission is in 2008 Cummins?

6.7 Cummins | 2007.5-2009 Dodge Ram | 68RFE Automatic Transmission.

What transmission does a 2008 Cummins have?

2008 Dodge 4×4 2500 6.7 liter Diesel, It has the 6 speed auto trans. it has the shift on demand on the gear shift and jumps to 4th gear and it won’t change gears, it will reset when you turn the truck all the way off but does it withing 3 or 4 miles of driving.

Are 24v 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.

How many miles will a 5.9 Cummins 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.

What is high mileage for a Cummins diesel?

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. Therefore, a diesel truck with proper service records or even one that received precise “fleet” maintenance commands a premium.

Is DEF delete illegal?

Can You Get In Trouble For Deleting Def? It is illegal to tampering with DEF, but it happens anyway. Operators were prompted to get rid of the DEF systems or to use DEF delete kits to avoid using them. It’s not just the risk of putting someone in jail if you violate a DEF system that’s worth taking.

Is DEF delete illegal in Texas?

Can You Legally Delete Def? The first myth is that tuning or Deleting a truck is legal. It isn’t a state law (although there are some, as well). It is legal to remove your emission system from your vehicle, but you must have the manufacturer certify that it has been recertified and issued a new emission label.

Is it illegal to delete a diesel?

Is Deleting A Diesel A Felony? Well, according to Section 203 of The Clean Air Act, tampering with, removing, or intentionally weakening the DPF system in a truck is illegal. In other words, you could be subject to penalties for both the procedure itself as well as the alteration.

Is 24v better than 12v Cummins?

In summary, those looking to keep things stock or modest the 24v is the better street engine. If you’re looking for extreme power and performance the older 12v Cummins engine is likely the better choice.

What year did RAM start using DEF?

Selective catalytic reduction (SCR) became standard in 2013 when Ram/Cummins launched more powerful versions of the 6.7L Cummins. The SCR system requires the use of diesel exhaust fluid (DEF), a urea based substance, to further cut nitrous oxide emissions (NOx).

What is the most reliable Cummins engine?

The most reliable diesel engine ever made was the 5.9L Cummins 12-Valve 6BT. The 5.9L 12-Valve has million-mile durability. It came factory with a 230hp, 440lb/ft of torque and an inline P7100 injection pump.

Should I buy a diesel with 200k miles?

Diesel trucks such as Powerstroke, Cummins, and Duramax typically last well beyond 100,000 miles even when used extensively for towing and hauling. As a result, diesel trucks with 200,000 and even 300,000 miles are often very valuable on the used truck market because of their resale value.

How often should you change the oil in a 6.7 Cummins?

Straight out of the gate we recommend 6000 km (3700 mile) oil changes if you are running conventional oil 15W/40. This should be a safe interval for city driving, stop and go driving, and idling.

How many MPG 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.

How much does it cost to rebuild a Cummins engine?

The average cost of a rebuilt Cummins ISX diesel engine is $11,250 before labor or parts kits. By comparison, a Cummins ISX in-frame kit is about $3,189.

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.

How do I get better fuel mileage out of my 6.7 Cummins?

Drive mindfully

  1. Drive your truck with fuel economy in mind.
  2. Schedule regular maintenance for your 6.7-liter diesel engine.
  3. Replace the manufacturer’s air filter and intake with a diesel performance air filter and intake.

Can you sleeve a 6.7 Cummins?

The Cummins cylinder block repair sleeve makes cylinder block repairs simpler and easier than ever before.

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.

Does 6.7 Cummins have glow plugs?

Cummins engines do not have glow plugs. Instead of glow plugs, Cummins engines are equipped with a single heater grid as their heat aid. These grids are more reliable and work by heating all the heat coming into the air intake. Both the 5.9L and 6.7L Cummins engines come with a grid heat system.