2009 Chevrolet Silverado 2500 HD Extended Cab Owner's Manual - Page 381

Vehicle 4.3L V6 (c) 4.3L V6 (c) 4.8L V8 (c) 4.8L V8 5.3L V8 4 Speed Automatic 5.3L V8 4 Speed Automatic 5.3L V8 6 Speed Automatic 5.3L V8 6 Speed Automatic, K5L HD Cooling Pkg - Fifth-Wheel Trailer 5.3L V8 6 Speed Automatic, K5L HD Cooling Pkg - Conventional Trailer 6.0L V8 6.0L V8 K5L HD Cooling Pkg - Fifth-Wheel Trailer 6.0L V8 K5L HD Cooling Pkg - Conventional Trailer 6.0L V8 NHT Max Trailering Pkg - Fifth-Wheel Trailer 6.0L V8 NHT Max Trailering Pkg - Conventional Trailer Axle Ratio 3.23 3.73 3.23 3.73 3.42 3.73 3.42 3.42 Maximum Trailer Weight 4,400 lbs (1 996 kg) 4,900 lbs (2 223 kg) 4,700 lbs (2 132 kg) 6,700 lbs (3 039 kg) 6,700 lbs (3 039 kg) 7,700 lbs (3 493 kg) 6,200 lbs (2 812 kg) 9,100 lbs (4 128 kg) GCWR (a) 9,500 lbs (4 309 kg) 10,000 lbs (4 536 kg) 10,000 lbs (4 536 kg) 12,000 lbs (5 443 kg) 12,000 lbs (5 443 kg) 13,000 lbs (5 897 kg) 11,500 lbs (5 216 kg) 15,000 lbs (6 804 kg) 1500 Series 2WD Extended Cab Standard Box (b) 3.42 3.42 3.42 3.42 3.73 3.73 9,700 lbs (4 400 kg) 6,700 lbs (3 039 kg) 8,700 lbs (3 946 kg) 9,700 lbs (4 400 kg) 10,000 lbs (4 536 kg) 10,700 lbs (4 853 kg) 15,000 lbs (6 804 kg) 12,000 lbs (5 443 kg) 15,000 lbs (6 804 kg) 15,000 lbs (6 804 kg) 16,000 lbs (7 257 kg) 16,000 lbs (7 257 kg) 4-53