How Much Does a Duramax Engine Weigh? [12 Engine Models Weight]

If you’re in the market for a heavy-duty truck, chances are you’ve come across the term “Duramax engine.” These powerful engines are known for their reliability and performance, but one question that often comes up is: how much does a Duramax Engine weigh? To answer this question, we’ve compiled a list of 12 different Duramax engine models and their respective weights. Whether you’re a truck enthusiast looking to compare engine sizes or someone simply curious about the inner workings of these impressive machines, read on to find out just how much a Duramax engine weighs.

How Much Does a Duramax Engine Weigh?

With 12 different models manufactured till now, it is essential to know how much these engines weigh before making your purchase.

The weight of the Duramax engine depends on the model and year of production. The most common model, the L5P, weighs around 835 pounds without any accessories attached. It is worth noting that this weight can vary depending on whether it is a long block or complete assembly with all components included.

Other models such as LB7 weigh around 782 pounds while LML comes in at about 869 pounds due to added features like the diesel particulate filter and selective catalytic reduction system.

How Much Does a Duramax Engine Weigh? [12 Engine Models Weight]

Here is how much all Duramax diesel engines weigh.

  • All 6.6 L V8 Duramax engines weigh 835 pounds or 378.75 kilograms.
  • All Duramax 2.8 L engines weigh 520 pounds or 235.87 kilograms.
  • All 3.0 L Duramax engines weigh 467 pounds or 211.83 kilograms.
  • All Duramax 2.5 L engines weigh 450 pounds or 204.12 kilograms.
  • The Duramax LMK 4.5 L weighs 510 pounds, but it has never been used in any vehicles.

Is It Easy To Pull a Duramax Engine By Myself?

The answer is clear: no, you can’t. The Duramax engine is a powerful and heavy piece of machinery that requires specialized equipment and knowledge to remove safely. Attempting to do so alone or without proper training can lead to serious injury or damage to your vehicle. Not only is the engine itself large and cumbersome, but there are also many components that need to be disconnected before they can be removed.

How Much Does a 6.6 Duramax Engine Weigh?

Duramax LB7, LLY, LBZ, LMM, LML, LGH, and L5P models have 6.6L V8 engines, 

According to the official specifications provided by General Motors, the 6.6 Duramax engine weighs approximately 835 pounds. This weight includes all of the components that make up the engine, including the block, cylinder heads, crankshaft, pistons, and connecting rods.

How Much Does a 2003 Diesel Duramax Engine Weigh?

The answer depends on the configuration and accessories included. On average, an LB7 engine model without transmission weighs around 835 pounds or 379 kilograms. If you include all the necessary components such as the alternator, starter motor, turbocharger assembly, intercooler, exhaust manifolds and other ancillary parts that are attached to it- then the total weight would be closer to 1000 pounds or 453 kilograms.

Final Thoughts

How much does a Duramax Engine weigh? It significantly depends on the model. The lightest engine model is the 2.8-litre LWN, weighing 525 pounds, while the heaviest engine is the 6.6-litre LB7, weighing 835 pounds. It’s important to consult the manufacturer’s specifications before purchasing or installing any engine to ensure that it meets your needs and requirements. 


What is the weight of a diesel engine?

Smaller engines weigh less than larger engines. For example, a small diesel engine used in a tractor or other vehicle might weigh around 200-400 lbs (91-181 kg). On the other hand, large marine diesel engines can weigh up to 10,000 lbs (4536 kg). Additionally, some types of diesel engines may be heavier than others due to the materials used in their construction. 

What are the dimensions of a Duramax engine?

The LB7 version has a cylinder bore of 3.90 inches (99 mm) and a stroke of 4.00 inches (102 mm). This gives it an overall size of 8.80 inches x 9.60 inches (224 x 244 mm). The LLY version has a slightly larger bore of 4.06 inches (103 mm) and a stroke of 3.90 inches (99 mm), giving it an overall size of 8.90 inches x 9.45 inches (226 x 240 mm). Both versions have an overall height of 28 inches (711 mm).

What is the displacement of a Duramax engine?

The displacement of a Duramax engine is 6.6 litres (403 cubic inches). This engine was first introduced in 2001 and has been used in several GMC and Chevrolet vehicles, including the Silverado, Sierra, and Express van. It is a turbo-diesel V8 engine that produces up to 445 horsepower and 910 lb-ft of torque. This engine is known for its durability and reliability, making it an ideal choice for those looking for a powerful yet reliable engine.

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