



Hardware updates to the suspension and packaging changes to the wheels helped achieve the new tow rating, which is certified to SAE J2807 standards. For 2021, Chevrolet engineers increased the max towing capacity 500 pounds for an available best-in-class max tow rating of up to 36,000 pounds on Silverado 3500 HD Work Truck, Regular Cab, dual-rear-wheel, two-wheel-drive models equipped with the 6.6L Duramax diesel and 10-speed Allison transmission and Max Tow Package. No trucks work harder than Silverado HD, from moving equipment to the job site to towing a prized possession. 2021 Silverado 3500 HD will boast an available, best-in-class, up to 36,000 pounds of max towing capacity 1ĭETROIT - Building upon the strength of Chevrolet’s heavy-duty truck lineup, the Silverado HD receives significant updates and enhancements for the 2021 model, including an available max tow rating of up to 36,000 pounds 1 and a multitude of trailering technology features to expand its towing leadership.
