GMC 2013 Sierra Owner's Manual page 347

Vehicle
5.3L V8 K5L HD Cooling Pkg
Fifth-Wheel Trailer
2500 Series 2WD Extended Cab Standard Box HD
6.0L V8
6.0L V8 Conventional Trailer
6.0L V8 Fifth-Wheel Trailer
2500 Series 2WD Crew Cab Standard Box HD
6.0L V8
6.0L V8 Conventional Trailer
6.0L V8 Fifth-Wheel Trailer
2500 Series 2WD Regular Cab Long Box HD
6.0L V8
6.0L V8 Payload Performance
Pkg (UB7)
6.0L V8 Conventional Trailer
6.0L V8 Fifth-Wheel Trailer
2500 Series 2WD Extended Cab Long Box HD
6.0L V8
Axle Ratio Maximum Trailer Weight
3.42 3 674 kg (8,100 lbs)
3.73 4 445 kg (9,800 lbs)
4.10 5 897 kg (13,000 lbs)
4.10 6 486 kg (14,300 lbs)
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 4 627 kg (10,200 lbs)
3.73 4 536 kg (10,000 lbs)
4.10 5 897 kg (13,000 lbs)
4.10 6 668 kg (14,700 lbs)
3.73 4 400 kg (9,700 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)
6 804 kg (15,000 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)
7 257 kg (16,000 lbs)
9 299 kg (20,500 lbs)
9 299 kg (20,500 lbs)
7 257 kg (16,000 lbs)
9-81