How many duramax engines are there

This next-generation engine offers more horsepower and torque than ever — an SAE-certified horsepower kW at 2, rpm and lb-ft of torque 1, Nm at 1, rpm — to enable easier, more confident hauling and trailering. Along with a 19 percent increase in max torque over the last Duramax 6. It is also capable of running on B20 biodiesel, a fuel composed of 20 percent biodiesel and 80 percent conventional diesel.

B20 helps lower carbon dioxide emissions and lessen dependence on petroleum. It is a domestically produced, renewable fuel made primarily of plant matter, mostly soybean oil. GM owns 60 percent and Isuzu owns 40 percent of the joint venture. This is not only a significant milestone, but truly speaks to the dedication of our team.

I do recognize that although we made 2 million engines, it could not be achieved without the support of all employees. The most important thing is not that the 2 million engines have been manufactured, but that they have been sold by the effort of the entire team. We have a culture here at DMAX that is based off of teamwork and a family environment.

Source: Truck Trend. The LB7 was the first Duramax engine and was made from — It was produced just as GMC was retiring its 6. It also comes with high-pressure common-rail direct injection along with a composite cylinder head. It is turbocharged and intercooled, and its valvetrain has forged steel rocker arms with bridges to operate two valves. The whole engine weighs in at lbs. The LB7 has steel laminate head gaskets, made of three stainless-steel plates coated with fluorine.

The pistons are high-silicon aluminum alloy manufactured via a gravity casting process , and its connecting rods are made of forge steel with a piston pin diameter of 1.

Some further specifications are listed below:. The cooling system of the LB7 sends coolant to the back end of the engine before directing it around the cylinders towards the front. Coolant passes through a channel in the flywheel at the rear of the engine and is then sent towards the left and right sides of the cylinder block. After that, the coolant goes through a passage at the front of each cylinder head.

Source: Duramax This Duramax engine was introduced in and completely replaced the LB7 after a few months of production. However, it was also the first Duramax engine built to meet the new emissions standards on diesel trucks that were implemented in It does, however, have a noticeably higher peak torque at lb-ft. It was also the last instance of a Duramax engine being available with a manual transmission. However, it was ultimately replaced by emissions-compliant engines such as the LLM see below.

Source: Diesel Experts. The LMM was the first Duramax engine with a DPF diesel particulate filter , which by mid was required by federal emissions standards.

Chevrolet does this by pairing the Duramax 3. Diesel engine technology has changed a lot over the years, erasing the preconceptions that they are loud and rough-riding. And the thoughtful design of the inline 6-cylinder engine offers a smooth, balanced ride. An internal combustion engine invented by Rudolf Diesel that ignites fuel through mechanical compression rather than the spark ignition found in gasoline-powered engines.

A diesel equipped with a turbocharger that uses waste exhaust gas to drive a turbine that forces more air into the intake side of the engine, allowing a smaller engine to produce more power with greater efficiency. Helps to slow a diesel vehicle by closing off the exhaust path from the engine, causing exhaust gases to be compressed in the exhaust manifold and cylinders. Offering rugged capability, ingenious technology and impressive efficiency, the versatile Colorado has everything you need to go from city streets to camping retreats.

The Silverado has six engine choices, eight trim levels and tons of capability. Get the job done with the strongest, most advanced Silverado ever. The All-New Tahoe offers six trims, each carefully refined to help you find your perfect blend of eye-catching design and premium comfort. Comfort and capability without compromise.

If you want to determine whether or not there is a recall on your current vehicle or on a vehicle you are considering, visit www. Whichever comes first.

Silverado 2WD with available Duramax 3. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.

Your range may be less. For comparison purposes only. Express Cargo with 2. Express Cargo or Passenger Van with 2. When properly equipped; includes weight of vehicle, passengers, cargo and equipment.

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