2009 Chevrolet Silverado 2500 HD Extended Cab Owner's Manual - Page 388

Vehicle Axle Ratio 3.73 4.10 3.73 4.10 3.73 4.10 3.73 4.10 3.73 4.10 3.73 4.10 3.73 4.10 3.73 4.10 3.73 4.10 Maximum Trailer Weight 10,200 lbs (4 627 kg) 12,700 lbs (5 761 kg) 9,800 lbs (4 445 kg) 12,300 lbs (5 579 kg) 9,600 lbs (4 355 kg) 12,100 lbs (5 489 kg) 9,900 lbs (4 491 kg) 12,400 lbs (5 625 kg) 9,500 lbs (4 309 kg) 12,000 lbs (5 443 kg) 9,700 lbs (4 400 kg) 12,200 lbs (5 534 kg) 9,300 lbs (4 218 kg) 11,800 lbs (5 352 kg) 10,000 lbs (4 536 kg) 12,500 lbs (5 670 kg) 9,700 lbs (4 400 kg) 12,200 lbs (5 534 kg) GCWR (a) 16,000 lbs (7 257 kg) 18,500 lbs (8 391 kg) 16,000 lbs (7 257 kg) 18,500 lbs (8 391 kg) 16,000 lbs (7 257 kg) 18,500 lbs (8 391 kg) 16,000 lbs 18,500 lbs 16,000 lbs 18,500 lbs 16,000 lbs 18,500 lbs 16,000 lbs 18,500 lbs 16,000 lbs 18,500 lbs 16,000 lbs 18,500 lbs (7 257 kg) (8 391 kg) (7 257 kg) (8 391 kg) (7 257 kg) (8 391 kg) (7 257 kg) (8 391 kg) (7 257 kg) (8 391 kg) (7 257 kg) (8 391 kg) 2500 Series 4WD Regular Cab Long Box HD (d) 6.0L V8 2500 Series 4WD Extended Cab Long Box HD (d) 6.0L V8 2500 Series 4WD Crew Cab Long Box HD (d) 6.0L V8 3500 Series 2WD Extended Cab (e) 6.0L V8 (Single Rear Wheels) 6.0L V8 (Dual Rear Wheels) 3500 Series 2WD Crew Cab (e) 6.0L V8 (Single Rear Wheels) 6.0L V8 (Dual Rear Wheels) 3500 Series 4WD Regular Cab (e) 6.0L V8 (Single Rear Wheels) 6.0L V8 (Dual Rear Wheels) 4-60