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.
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 diesel engine lasts the longest?
Diesel pickup trucks often get higher mileage than gas trucks thanks to having more durable engines that can withstand higher compression ratios. Even when used extensively for towing and hauling, Powerstroke, Cummins and
Duramax
diesel trucks typically last well beyond 100,000 miles.
What is considered the best diesel engine?
- The Cummins B-Series. The One That Paved the Way. …
- International DT466. Everything You Own Has Probably Been Moved by One. …
- Wartsila-Sulzer RTA96-C. …
- Caterpillar C12 Super Truck Racing Engine. …
- GM 6.6L Duramax. …
- International 7.3L Power Stroke. …
- MTU 16V-4000. …
- VW 5.0L V-10.
Which diesel engine has least problems?
Current Duramax engines
have no such issues. They're highly capable and reliable diesel workhorse engines able to yield as much as 400 hp and 765 lb-ft of torque.
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 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'.
How long will a Cummins diesel 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
. The 6.7-liter engine ranges in the middle of that at 350,000 with no modifications and proper services. Diesel engines are made to be powerful and give high output.
Is Cummins the best diesel engine?
A
Cummins diesel engine
is recognized around the world as a superior truck engine not only because a Cummins engine will have the horsepower and torque a work truck needs to tow a hefty load, but these engines are also noted for unmatched durability.
What are the problems with the 6.7 Cummins?
- Slow spool.
- Poor performance.
- Excessive smoke from exhaust.
- Whining sounds.
Is it bad to idle diesel engines?
Most engine manufacturers recommend that newer diesel engines
idle for no more than 3 minutes before driving
. … Letting an engine idle actually does more damage to the engine than starting and stopping. Running an engine at idle causes twice the wear on internal parts com- pared to driving at highway speeds.
What year Dodge diesel is the best?
The best years for Dodge diesel trucks are
1996-1998, 2006-2007, and 2010-2011
. These years of the Dodge Ram have the fewest complaints and the most capabilities among Dodge diesel trucks. Owners give these trucks the highest reviews for their hauling capacity and reliability.
What's better 12V or 24v 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.
What years are Ford diesel engines to avoid?
Cons: 2011-2014 models suffer from common turbo failure, emissions systems add multiple failure points, EGR failures are common between 70,000-90,000 miles. Best years:
2015 and up
have an updated supercharger and more power, even more on 2018+ and 2020 models.
Is the 6.9 diesel a good engine?
The 6.9 was known for
being simple in design & making great power at
a low RPM (peak torque @ 1,400 RPM from a V-8 diesel). Though the performance of the 6.9 is far from today's standards, it was a solid performer of its time and has a history of reliability & dependability.
Do diesels need to be driven hard?
Driving an old diesel hard may well have shifted any
soot build
up but to clear any build up in the DPF a regeneration is required, it simply cannot be blown out even though some maintain it can, its an urban myth. Regens take place when required and are controlled by the ECU, you cannot force one yourself.
