Why Is The 5.9 Cummins So Popular?

Are all 5.9 Cummins blocks the same?

From ’94-’97, all 5.9L Cummins engines shared the same cast-iron block, crankshaft, main cap bolts and cylinder head found on the ’89-’93 mills.

As the 24-valve would utilize 12mm bolts to secure the main cap (vs..

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.More items…•

How much power 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.

How much power can you get out of a 12 valve Cummins?

Photo 18/18 | Without turning up the air (with a bigger turbo) or fuel (injectors), we didn’t expect record gains from the Dodge Ram’s 5.9L 12-valve Cummins engine. Still, the basic-upgraded powerplant managed to generate 200 hp, which is impressive, given its 215 flywheel-horsepower rating from the factory.

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.

How long will a 12 valve Cummins last?

Cummins recommends a rebuild at 300k when the 12 valve is used in other applications such as tractors. gensets, etc but makes no recommendations when it’s in a Dodge pickup.

How many miles can a 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.

When did they stop making 5.9 Cummins?

The last generation 5.9l Cummins engines from 2003 to 2007 used HPCR pump and 24 valves. They have 305-325 HP and 600-650 lb-ft of torque. Cummins made a displacement change in 2007.5 to the 6.7l Cummins diesel.

Is a 12 or 24 valve Cummins better?

The 12-valve went away in 1998, replaced by a 24 valve which offered better breathing. … 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.”

What is high mileage for a Cummins diesel?

If your Cummins-powered RAM, TITAN XD pickup, Cummins Repower, or other Cummins powered vehicle has surpassed the 100,000-mile mark, we’d be honored to have you in the Cummins High Mileage Club.

How many miles will a Cummins 5.9 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.

How many MPG does a 5.9 Cummins get?

29 MPG highwayWe 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.

How do I know if my injector is bad on my 5.9 Cummins?

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.

Why is the 5.9 Cummins reliable?

5.9L Pros & Cons Fixed geometry turbo is more reliable than the 6.7L’s variable geometry unit. No emissions equipment other than catalytic converter. More sealing area + less cylinder pressure than the 6.7L (torque) = fewer head gasket failures.

Is a 5.9 or 6.7 Cummins better?

Since the 5.9l is an older engine, you would expect it to be somewhat less efficient. However, due to the more stringent EPA emission rules, the 6.7l has additional filters and redactors. This makes it cleaner, sure, but the tradeoff is a noticeably lower fuel economy.