How many miles will a Cummins 5.9 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.

In respect to this, Is a 5.9 or 6.7 Cummins better?

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.

Furthermore, 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.

Additionally, How much horsepower 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 many miles can you put on a 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.

20 Related Questions Answers Found

Is the Dodge 5.9 a good engine?

Dodge 5.9 Magnum Reliability

Overall the 5.9 Magnum can be a reliable engine with proper maintenance and care. Reliability reviews tend to be mixed, with a lot of people reporting no issues at all.

Which Dodge Cummins Engine is 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.

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.

Is it bad to idle a 5.9 Cummins?

Idling for longer than 15 minutes should be avoided. Do not operate at full speed or load until the coolant reaches normal operating range. Do not operate above low idle until oil pressure is indicated.

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.

How much horsepower can a stock 24 valve Cummins handle?

Consequently it won’t handle it very long. So upgrading to a good aftermarket intercooler is necessary. Most will support around 1200 hp while only having a minimal pressure drop between the inlet and outlet.

How much HP can a stock Cummins block 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.

How many miles is too many on a Dodge 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 long will a 24v Cummins last?

Cummins 5.9 24v Reliability

Outside of the fuel system, the 5.9 24v is a very reliable engine. The engine internals such as the pistons, rod, and crankshaft will last a lifetime and can hold up beyond 500,000 miles.

Is it better to let a diesel engine idle?

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.

How long will a Dodge 360 engine last?

I had 180,000 miles on mine before the accident. The motor will easily go 250,000 miles.

How much HP can a 5.9 L Magnum handle?

The 360ci (5.9L) Magnum had a rated output between 230 and 250 hp.

How much HP can a 5.9 Magnum handle?

Magnum 5.9 engines commonly carried a rating of 245 horsepower, with the tiny factory hydraulic roller camshafts delivering a hair over .

Which is better Hemi or Cummins?

Overall, the gas HEMI engine provides the best gas horsepower among 250/2500 pickups — and more payload capacity than the Cummins — but the turbo diesel outperforms it with mountains of torque and more maximum towing capacity.

How many miles will a 24V Cummins last?

Dodge states that the Cummins is good for 350,000 miles before major overhaul. Chevy and Ford say 250,000 miles for their diesels.

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 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.

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.