The Cummins engine is design for initial overhaul between 400,000 and 500,000 miles.
How many miles can a Dodge Cummins last?
The engine may last forever. The DODGE (or maybe Cummins) website speaks about the TD lasting 350,000 miles (mean) between overhauls, 100,000 miles longer than the GM or FORD.
How many miles is too much for a Cummins diesel?
Dodge states that the Cummins is good for 350,000 miles before major overhaul. Chevy and Ford say 250,000 miles for their diesels.
Are 5.9 Cummins reliable?
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.
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?
6.7L Pros & Cons
Larger displacement and longer stroke than the 5.9L means more low-end torque and better ability to spool a larger turbo. 350hp to 385hp stock (depending on model year and transmission) 650 lb-ft to 900 lb-ft of torque stock (depending on model year and transmission)
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.
Is 12 valve or 24 valve Cummins better?
The 12 Valve engine is hands down more reliable than the 24 Valve. Even guys who have spent the money to get an aftermarket lift pump (a must with a 24 Valve, along with a fuel pressure gauge) have gone through multiple pumps.
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.
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.
Is it bad to idle a 5.9 Cummins?
Idling for longer than 15 minutes should be avoided. Do not operate at full speed or load until the coolant reaches normal operating range. Do not operate above low idle until oil pressure is indicated.
How much HP can a stock 5.9 Cummins handle?
The 5.9L inline-six mill’s factory rotating assembly from ’89 to ’02 is capable of handling 800 hp (1,400 to 1,600 lb-ft of torque) without breaking a sweat, and is often pushed into four-digit territory before aftermarket rods become a consideration.
Which Dodge Cummins Engine is best?
The Cummins 6.7L Turbo Diesel is the most powerful engine option for RAM 2500 and 3500 pickup trucks. Producing up to 400 horsepower and 1,000 pound-feet of clean diesel torque, this powerhouse helps RAM deliver best-in-class towing.
Is Duramax better than 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.
What are the worst diesel engines?
Ford Super Duty 6.0L (2003-2007)
Introduced mid-2003, the Ford 6.0L turbo is by far the worst modern diesel engine. It’s so bad, in fact, that Navistar (Powerstroke’s parent company) and Ford had a legal battle over it. The list of issues ranges from head gasket problems to catastrophic fuel system failures.