For years Chevrolet's been known for building the most dependable longest-lasting full-size pickups on the road. Step up to all new 2011 Silverado Heavy Duty and take on bigger jobs than ever. The all new high strength fully boxed steel frame and wide rear leaf springs allow the Silverado HD to handle more payload than Ford or Dodge at up to 6 635 lbs. Power comes standard with a Vortec 6.0L V8 under the hood! The optional Duramax 6.6L Turbo-Diesel V8 makes the Silverado HD the most powerful heavy duty ever made. At an earth shattering 765 lb.-ft. or torque 397 horsepower and a towing capacity of up to 21 700 lbs it has got numbers that no other full size pickup can beat. Plus it comes coupled with the legendary Allison six-speed transmission. Every truck comes with a removable tailgate two-tier loading capability and four cargo tie-downs. There’s a surprising amount of room inside Silverado Extended Cab. The LT and LTZ model come standard with large full-drop power rear side windows and cavernous storage areas for front seat passengers. The LTZ model offers heated leather-appointed front seats and an exclusive woodgrain appearance instrument panel that’s located down and forward to provide added space and a commanding view of the road! Work or play sometimes the day just calls for a heavy duty pickup. The 2011 Silverado Heavy Duty is always there to back you up.