2008 Chevrolet Silverado 1500 Pickup Owner's Manual - Page 373

C-1500 Regular Cab Long Box (2WD)* 4.3L V6 Axle Ratio Maximum Trailer Weight GCWR** 3.23 4,700 lbs (2 132 kg) 9,500 lbs (4 309 kg) 3.73 5,200 lbs (2 359 kg) 10,000 lbs (4 536 kg) 3.23 5,100 lbs (2 313 kg) 10,000 lbs (4 536 kg) 4.8L V8 3.73 7,100 lbs (3 221 kg) 12,000 lbs (5 448 kg) 3.42 7,000 lbs (3 175 kg) 12,000 lbs (5 443 kg) 5.3L V8 3.73 8,000 lbs (3 629 kg) 13,000 lbs (5 896 kg) *Fifth-wheel or gooseneck kingpin weight 15 percent to 25 percent of trailer weight up to 1,500 lbs (680 kg) maximum. **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-1500 Extended Cab Long Box (2WD)* 5.3L V8 Axle Ratio Maximum Trailer Weight GCWR** 3.42 6,500 lbs (2 948 kg) 12,000 lbs (5 443 kg) 3.73 7,500 lbs (3 402 kg) 13,000 lbs (5 897 kg) *Fifth-wheel or gooseneck kingpin weight 15 percent to 25 percent of trailer weight up to 1,500 lbs (680 kg) maximum. **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. 4-61