Dodge states that the Cummins is good for 350,000 miles before major overhaul. Chevy and Ford say 250,000 miles for their diesels.
How many miles can a 5.9 Cummins go?
The Cummins engine is design for initial overhaul between 400,000 and 500,000 miles.
Is a 12 or 24 valve Cummins better?
While the 12-valve is a little bit more reliably with the mechanical P7100 pump, tuning it requires modified parts of the injection pump. The 24-valve might not be as insanely reliable, but it’s still very reliable and can easily be tuned with a handheld tuner.
Are 24 valve Cummins good?
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 is too much for a Cummins?
Ram claims the Cummins 6.7 engine to be good for 350,000 miles. The mileage is guaranteed if the scheduled services has been carried out timeously and no performance modifications have been done to the engine.
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. …
- 1999-2003 Super Duty – Best Budget Diesel. …
- 2008-2010 Super Duty – Best Diesel to Modify.
Is a 5.9 or 6.7 Cummins 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.
Which Cummins Engine is the best?
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.
How many miles will a 12 valve Cummins last?
You can easily get 300k miles on even a modified cummins. Fix the killer dowel pin before you put it in, and it will be fine for a long time.
How much horsepower can you get out of a 12 valve Cummins?
Adding a P7100 to the first generation 12-valve engine effectively takes the truck’s horsepower capability from 350 rwhp to 600 rwhp. For those kinds of gains it’s definitely worth the hassle of hunting down all the conversion parts you need.
What are the problems with the 5.9 Cummins?
5.9L Cummins Fuel Pump, Injection Pump, & Injector Failures
One reason that the earlier pumps are more susceptible to premature failure is they absorb a tremendous amount of heat from the engine block. Another issue with the pump location is that the fuel pump must draw fuel a significant distance from the fuel tank.
Why is the 5.9 Cummins so good?
So, what makes the (5.9L) 6BT so special? It’s incredible reliability for a start, matched by its massive performance potential and ability to power across the most rugged of terrains. The engine originally put out 160 HP but it was its unsurpassed 400 ft-lb of torque that put the 5.9 L in a category all its own.
How much horsepower does a 24 valve Cummins have?
5.9L Cummins 24v Specs
|Production Years:||1998 – 2007|
|Oil Capacity:||12 qts w/ filter|
|Governed Speed:||3,200 rpm|
|Horsepower:||235 – 325 HP @ 2,900 rpm|
|Torque:||460 – 610 lb-ft @ 1,600 rpm|
Is deleting a 6.7 Cummins worth it?
Should I Delete My 6.7L Cummins? 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. And before you say it, there is no way to keep a dealer from knowing that emissions equipment was removed.
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.
- Compressor or turbine wheel damage.
How often do you change the oil on a Cummins?
Most car engines, in addition to diesel engines, carry recommendations of an oil change every 7,500 miles or at a minimum of every year. Check the owner’s manual for your Ford Power Stroke, Chevy Duramax, or Dodge Cummins and see what interval your truck’s manufacturer recommends for a diesel oil change.