Is 5 9 or 6 7 Cummins Engine 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.

Which Dodge Cummins engine is best?

Cummins 6.7L Turbo Diesel

The Cummins 6.7L Turbo Diesel is the current incarnation of this legendary diesel engine. It is packed with features that make it the best Cummins engine that is currently on the market.

Is the 5.9 Cummins a good motor?

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. Outside of the fuel system components, you should expect to replace common items like water pumps, hoses, belts, etc.

Is the Cummins 6.7 a good engine?

Dodge and Ram trucks with the 6.7 Cummins engine are pretty reliable, overall. Sure, it doesn’t have the same legendary reputation as older diesels like the 7.3 PS or 5.9 Cummins. Unfortunately, the emissions parts of the modern day work against reliability in many ways.

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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.

What are the worst diesel engines?

Introduced mid-2003, the Ford 6.0L turbo is by far the worst modern diesel engine. It’s so bad, in fact, that Navistar (Powerstroke’s parent company) and Ford had a legal battle over it. The list of issues ranges from head gasket problems to catastrophic fuel system failures.

What year Cummins is best?

Known for its reliable Cummins engine and its power, Rams have been the favorite truck of diesel drivers since the 1980s. The truck has gone through many changes over the last 50 years, with some years being better than others. The best years for Dodge diesel trucks are 1996-1998, 2006-2007, and 2010-2011.

Is it bad to idle a 5.9 Cummins?

The intake manifold heater may ignite the ether in the manifold and cause an explosion. 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 long do injectors last on 5.9 Cummins?

Fuel injectors for the Dodge Cummins 5.9L should last between 200,000 and 300,000 kms when properly treated. This means running good quality clean diesel fuel.

When did they stop making the 5.9 Cummins?

2006 and 2007 would be the final years of the 5.9L Cummins. With a growing movement for emissions and more power, Cummins would introduce the 6.7 halfway through 2007. At the start of 2003, the truck rated at 235 RWHP / 460 ft-lb of torque, not bad at all.

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Is it worth deleting 6.7 Cummins?

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. … And before you say it, there is no way to keep a dealer from knowing that emissions equipment was removed.

Is the 6.7 Cummins a million-mile engine?

When it first arrived on the scene for ‘07.5 model year Dodge Rams, the 6.7L Cummins had a lot to live up to. After all, the 5.9L it replaced was highly revered for its million-mile durability, vast performance potential, and an endless supply of aftermarket parts and support.

Is 200 000 miles alot for a Cummins?

Even when used extensively for towing and hauling, Powerstroke, Cummins and Duramax diesel trucks typically last well beyond 100,000 miles. Because of that, it’s not uncommon to see diesel pickups with 200,000 and even 300,000 miles commanding good resale values on the used truck market.

How many miles will 5.9 Cummins go?

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.

What is the most miles on a 5.9 Cummins?

Of the highest is a 1996 Dodge Ram with a 5.9-liter Cummins diesel engine that has 3,016,789 miles.