General Motors has redesigned the 2011 Chevrolet Silverado Heavy-Duty trucks with all-new frames and suspensions for maximum capability.

• Up to 20,000-lb. towing and 6,335-lb. payload capacities
• 6.6-liter Duramax engine mated to an Allison 1000 Series six-speed automatic transmission
• B20 biodiesel capable
• Include trailer sway control, integrated trailer brake control, hill start assist and automatic grade braking
• Fully boxed frame assemblies and independent front suspension