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How much can a 2500HD 6.6 Duramax tow?

The 2500HD 6.6 Duramax diesel engine is a powerful workhorse that can tow impressive amounts of weight. According to the manufacturer, the maximum towing capacity for a 2500HD 6.6 Duramax is 23,500 pounds when properly equipped.


Towing Capacity of the 2500HD 6.6 Duramax


The 2500HD 6.6 Duramax is a heavy-duty pickup truck engine offered by Chevrolet and GMC. It is known for its exceptional towing and hauling capabilities, making it a popular choice for those who need to pull large trailers, campers, or heavy equipment.



  • The maximum towing capacity for a 2500HD 6.6 Duramax is 23,500 pounds.

  • This towing capacity is achieved when the truck is properly equipped with the right towing package, which includes features like a heavy-duty hitch, transmission cooler, and upgraded suspension.

  • The 6.6-liter Duramax diesel engine produces 445 horsepower and 910 lb-ft of torque, providing ample power to haul heavy loads.


It's important to note that the actual towing capacity may vary depending on the specific configuration of the vehicle, including factors like the cab style, bed length, and optional equipment. Owners should always refer to the manufacturer's recommendations and their vehicle's information placard for the most accurate towing capacity.


Factors Affecting Towing Capacity


Several factors can influence the towing capacity of a 2500HD 6.6 Duramax, including:



  • Gross Vehicle Weight Rating (GVWR): This is the maximum weight the vehicle can safely carry, including the truck, passengers, cargo, and the trailer.

  • Gross Combination Weight Rating (GCWR): This is the maximum weight the vehicle and trailer can safely carry combined.

  • Trailer weight: The weight of the trailer itself, as well as the cargo it carries, will impact the towing capacity.

  • Driving conditions: Factors like terrain, weather, and traffic can affect the vehicle's ability to tow heavy loads safely.


It's crucial for 2500HD 6.6 Duramax owners to understand these factors and stay within the recommended towing limits to ensure safe and legal operation of their vehicle.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.