Quick Answer: Why Is The 5.9 Cummins Reliable?

A simple design with unmatched reliability, tremendous performance potential and rugged, million-mile durability sums up the appeal of the 12-valve 5.9L 6BT Cummins.

The 12-valve 5.9L 6BT Cummins came out of the box with 230hp, 440 lb-ft of torque and a P7100 inline injection pump..

How many miles will a Dodge Cummins last?

350,000 milesThe 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.

Is Duramax better than Cummins?

While the 6.7L Cummins and the 6.7L Power Stroke share the same displacement, the 6.6L Duramax is a pretty close match. … Horsepower and torque numbers are similar between the three diesel engines, but the Cummins engine leads the pack with its torque rating breaching the four-figure threshold.

How much weight can a 5.9 Cummins pull?

13,000 poundsTowing capacity maxes out at 13,000 pounds. Or you can go all the way with a Cummins’s 5.9-liter I6 Turbo Diesel. It churns 325 horsepower, but 610 pound-feet of torque, for a Mega trailer tow rate of 15,900 pounds.

What year is the best 24 valve Cummins?

2003 – 2007 1/2 Dodge Ram (24v Cummins) The VP44 mechanical injection pump was replaced by a high pressure common rail system, making these model years extremely popular.

How many miles will a 5.9 Cummins last?

The longevity of a cummins depends on preventive maintenance. The more you take care of it the longer it will last. They hold power well and if monitored properly will last longer than you will. Average mileage is between 17-22 depending on configuration and how you drive.

What year 5.9 Cummins is best?

1994-1998 2500 & 3500 As far as performance potential goes, it doesn’t get any better than the mechanical P7100 equipped versions of the 12-valve 5.9L Cummins. They’re simple, rock-solid reliable, and can easily tick off a half a million miles if properly maintained.

Which Cummins Engine is the best?

The 6.7L Cummins has proven itself as one of the best in the game for pickups that pull or haul heavy loads (with factory ratings up to 30,000 pounds). And, for those who race pickups, the 6.7L is the preferred engine of many heavy-hitters at our own Diesel Power Challenge events.

Is 100k high mileage for a diesel?

Diesel Rule 1: NEVER buy high mileage To be clear – avoid diesel cars with over 100,000 miles on the clock.

Should I buy Hemi or EcoDiesel?

The Hemi also offers impressive power, 395 horsepower, and 410 pound-feet of torque. The EcoDiesel has 70 more pound-feet of torque but 125 fewer ponies under the hood. … Diesel fuel tends to cost more at the pump, but the EcoDiesel should get significantly better fuel economy — 30-plus percent better.

How much HP can a stock Cummins handle?

The forged steel connecting rod found in ’89-02 5.9L Cummins mills is stout to say the least. They’re known to be capable of handling in excess of 1,000 hp at near-stock compression ratios before bending, and we’ve even seen the block split before the rods failed in several engines.

Is a 12 valve Cummins better than a 24 valve?

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.

Which is better a 12v or 24v Cummins?

12V- More reliable injection pump, no electronics, better lift pump, quieter, easy to modify. 24V- Slightly more power stock, ability to be chipped, rear doors on quad cabs, rear discs(not a problem for all 12vers).

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.2020 Ram 3500 Heavy Duty – First 1,000 lb-ft Diesel.1999-2003 Super Duty – Best Budget Diesel.2008-2010 Super Duty – Best Diesel to Modify.More items…•

How much HP can a 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.

What is high mileage for a Cummins diesel?

Of the highest is a 1996 Dodge Ram with a 5.9-liter Cummins diesel engine that has 3,016,789 miles. Following that is another two 5.9-liter Cummins engines that also have over 3,000,000 miles on them.

Is the 5.9 Cummins a good engine?

But undeniably, of all Cummins pickup truck engines, the 12-valve 5.9-liter is the king. Cooper from Diesel Power Products says “It’s probably the most reliable platform ever made on any diesel truck.”

Is 5.9 or 6.7 Cummins better?

The brand new, 6.7L Cummins came with exhaust gas recirculation (EGR) and a diesel particulate filter (DPF). … 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.