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, 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.
then, What fuel mileage does a 6.7 Cummins 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.
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.
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.
17 Related Questions Answers Found
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 the life expectancy of a 6.7 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.
How much boost can a 6.7 Cummins handle?
How much boost can a stock 6.7 Cummins handle? The stock head bolts should be good up to about 45psi back pressure, and 38 psi boost.
How many MPG does a 2021 Ram 2500 diesel get?
Performance and Fuel Economy
The EPA doesn’t evaluate fuel economy for heavy-duty trucks but when our RealMPG team tested a Ram 2500HD Power Wagon with 4WD and the Crew Cab body style, it returned 10.2/15.3 mpg city/highway.
What is the best Cummins Diesel?
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 MPG does a 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 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’.
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.
What is a lot of hours for a diesel truck?
For a MD truck, we figure 30 MPH average and most medium diesels have a “b10” life of around 12,000 hours.
Is it worth deleting a diesel truck?
While your exhaust might be a smidge dirtier, if you opt for a DPF delete kit, it might be worth the tradeoff. Deleting your DPF can help boost fuel economy AND give you more horses to the wheels. … This factory-installed system helps to reduce exhaust emissions by recirculating exhaust back into your engine for reuse.
Are DPF Delete Kits illegal?
Well, according to Section 203 of The Clean Air Act, it is illegal to tamper with, remove or be involved in the deletion knowingly or unknowingly of the DPF system of a truck. … Furthermore, it is also illegal to use a DPF removal service provider to do this for you.
Is DPF Delete worth it?
Removing the DPF itself will improve turbocharger efficiency (less back pressure) and of course there will be no more regens required. Long term, you won’t be facing DPF clogging problems which can be expensive post warranty.
Why Cummins is better than Duramax?
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.
How many miles is too many for a Cummins?
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 often should you change oil in a 6.7 Cummins?
6.7L Cummins Maintenance Schedule
| Service Procedure | Interval(s) | |
|---|---|---|
| Replace engine air filter | 30,000 miles/24 months | |
| 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 |
How much HP can the 68RFE handle?
This kit re-works the valvebody and TCM to where the 68RFE can live at 500 to 550 hp, but any more than that and the truck owner will have to start delving deep into the transmission. As of press time, there are 68RFEs that are handling nearly 1,000 hp, but we can tell you they’re not cheap to buy—or build.
Which is better 68RFE or Aisin?
The 68RFE is not nearly as robust as the Aisin in any way, shape, or form. They are two totally different transmissions. … The difference is the Aisin has a much deeper First (3.75:1) and Second (2.0:1) to maximize the 6.7L’s torque delivery for more low-end pulling power.
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