The 2021 Chevrolet Silverado 3500HD gets an increased towing capacity, and more available trailering technology spreads to both the 2500 and 3500HD. The Silverado 3500HD boosts max towing capacity by 500 pounds to 36,000 pounds. That number is achieved by the base Work Truck with rear-wheel-drive, dual-rear-wheels, the 6.6-liter turbodiesel …
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