GMC 2012 Sierra Series Owner's Manual page 377

Vehicle
2500 Series 2WD Extended Cab Long Box HD
6.0L V8
6.0L V8 Conventional Trailer
6.0L V8 Fifth-Wheel Trailer
2500 Series 2WD Crew Cab Long Box HD
6.0L V8
6.0L V8 Conventional Trailer
6.0L V8 Fifth-Wheel Trailer
2500 Series 4WD Extended Cab Standard Box HD
6.0L V8
6.0L V8 Conventional Trailer
6.0L V8 Fifth-Wheel Trailer
2500 Series 4WD Crew Cab Standard Box HD
6.0L V8
6.0L V8 Conventional Trailer
6.0L V8 Fifth-Wheel Trailer
Axle Ratio Maximum Trailer Weight
3.73 4 400 kg (9,700 lbs)
4.10 5 897 kg (13,000 lbs)
4.10 6 441 kg (14,200 lbs)
3.73 4 354 kg (9,600 lbs)
4.10 5 897 kg (13,000 lbs)
4.10 6 396 kg (14,100 lbs)
3.73 4 309 kg (9,500 lbs)
4.10 5 897 kg (13,000 lbs)
4.10 6 350 kg (14,000 lbs)
3.73 4 264 kg (9,400 lbs)
4.10 5 897 kg (13,000 lbs)
4.10 6 305 kg (13,900 lbs)
I n f o r ma t i o n P r o v i d e d b y :
Driving and Operating
GCWR (a)
7 257 kg (16,000 lbs)
9 299 kg (20,500 lbs)
9 299 kg (20,500 lbs)
7 257 kg (16,000 lbs)
9 299 kg (20,500 lbs)
9 299 kg (20,500 lbs)
7 257 kg (16,000 lbs)
9 299 kg (20,500 lbs)
9 299 kg (20,500 lbs)
7 257 kg (16,000 lbs)
9 299 kg (20,500 lbs)
9 299 kg (20,500 lbs)
9-93