2008 Chevrolet Silverado 1500 Pickup Owner's Manual - Page 378

C-2500 Regular Cab Long Box HD (2WD)* Maximum Trailer Weight GCWR** Axle Ratio 3.73 10,400 lbs (4 717 kg) 16,000 lbs (7 257 kg) 6.0L V8 4.10 12,900 lbs (5 851 kg) 18,500 lbs (8 391 kg) *Fifth-wheel or gooseneck kingpin tongue weight should be 15 percent to 25 percent of trailer weight up to 3,000 lbs (1 361 kg) maximum. *Trailer ratings above 13,000 lbs (5 897 kg) require a fifth-wheel or gooseneck hitch. **The Gross Combination Weight Rating (GCWR) is the total allowable weight of the completely loaded vehicle and trailer including any passengers, cargo, equipment and conversions. The GCWR for your vehicle should not be exceeded. C-2500 Extended Cab Long Box HD (2WD)* Maximum Trailer Weight GCWR** Axle Ratio 3.73 10,000 lbs (4 536 kg) 16,000 lbs (7 257 kg) 6.0L V8 4.10 12,500 lbs (5 670 kg) 18,500 lbs (8 391 kg) *Fifth-wheel or gooseneck kingpin weight should be 15 percent to 25 percent of trailer weight up to 3,000 lbs (1 361 kg) maximum. *Trailer rating limited to 13,000 lbs (5 897 kg) with weight distributing hitch. **The Gross Combination Weight Rating (GCWR) is the total allowable weight of the completely loaded vehicle and trailer including any passengers, cargo, equipment and conversions. The GCWR for your vehicle should not be exceeded. 4-66