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, How long 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.
then, What is high mileage for a 6.7 Cummins?
Cummins is the brand of engine found in the Dodge diesel and Ram diesel truck lines. 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.
Thereof How many miles is a 6.7 Cummins good for? 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 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.
16 Related Questions Answers Found
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.
What is high mileage for a Cummins diesel?
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 reliable are 5.9 Cummins?
If you don’t consider the fuel system, the 5.9 Cummins is a very reliable engine. The internal parts like the pistons, rods, and crank will last for a zillion miles even with some abuse. … If you don’t consider the fuel system, the 5.9 Cummins is a very reliable engine.
What is high mileage for a diesel truck?
According to Prosource Diesel, anything over 350,000-miles is considered high mileage for a used diesel pickup with a Cummins or Duramax engine under its hood. Anything over 350,000-miles is also regarded as high mileage for a Powerstroke diesel engine.
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. …
What is considered high mileage for a diesel van?
Today’s modern vans are engineered to last – and 100,000 miles showing on the clock is commonplace. There’s even stories of Transits reaching 200,000 and beyond – but if you are considering spending your hard-earned cash purchasing a ‘High Miler’, it can be a case of ‘buyer beware’.
What is considered high mileage for a diesel truck?
According to Prosource Diesel, anything over 350,000-miles is considered high mileage for a used diesel pickup with a Cummins or Duramax engine under its hood. Anything over 350,000-miles is also regarded as high mileage for a Powerstroke diesel engine.
How often should you change the oil in a 6.7 Cummins?
6.7L Cummins Maintenance Schedule
| Service Procedure | Interval(s) | |
|---|---|---|
| Change engine oil & oil filter | 2007.5 – 2012 | 7,500 miles/6 months |
| 2013 – 2019 | 15,000 miles/6 months/500 hours | |
| Replace crankcase ventilation (CCV) filter | 2007.5 – 2018 | 67,500 miles/54 months |
| 2019+ | 75,000 miles/60 months |
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.
What Dodge Cummins Engine is the 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.
How can I make my 5.9 Cummins more fuel efficient?
To restore your truck’s fuel mileage, you must change the “peak efficiency” of the motor to match your driving/towing RPM speed. Increase the low-end torque rise of your motor significantly improves fuel economy because the engine now does more work with less effort.
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.
Is 100k high mileage for a diesel?
According to Prosource Diesel, anything over 350,000-miles is considered high mileage for a used diesel pickup with a Cummins or Duramax engine under its hood. Anything over 350,000-miles is also regarded as high mileage for a Powerstroke diesel engine.
What’s the most reliable diesel engine?
What is the Most Reliable Diesel Engine Ever? 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.
How long do Ram 2500 diesels last?
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.
How do I know if my 5.9 Cummins turbo is bad?
If you can move the compressor wheel in or out from the housing at all the turbo is bad. If you can move the compressor up and down a little bit is fine as long as the compressor wheel cannot make contact with the housing (rub). If you see any rub marks then the turbo is done.
What problems does the 5.9 Cummins have?
4 Most Common Cummins 24v 5.9L Engine Problems
- Fuel Lift Pump Failure.
- Leaking Fuel Injectors.
- Exhaust Manifold Leaks.
- Accelerator Pedal Position Sensor Failure.
- Bonus: Engine Block #53 Cracking.
How do I know if my 5.9 Cummins has bad injectors?
A few signs that your injector is going bad include:
- Poor engine performance or misfires.
- A check engine light comes on.
- Hard starting or poor idle – especially after the vehicle has been sitting overnight.
- Black smoke from tailpipes.
- Foul odor from tailpipes.
- You notice a decrease in fuel efficiency.
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