GMC 2006 Sierra 1500 Pickup Owner's Manual page 389

Vehicle*
C-2500 Crew Cab Long Box HD (2WD)
6000 V8
8100 V8
6.6L V8 Diesel
*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.
Vehicle*
K-1500 HD (4WD)*
6000 V8
*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.
Vehicle*
K-2500 Regular Cab Long Box HD (4WD)*
6000 V8
8100 V8
6.6L V8 Diesel
*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.
Fifth-wheel or gooseneck GCWR for 6.6L V8 Diesel 2500 HD series models is 23,200 lbs (10 523 kg).
Axle Ratio Maximum Trailer Weight
4.10 10,000 lbs (4 536 kg)
3.73 12,000 lbs (5 443 kg)
4.10 12,000 lbs (5 443 kg)
3.73 12,000 lbs (5 443 kg)
Axle Ratio Maximum Trailer Weight
3.73 7,900 lbs (3 583 kg)
4.10 9,900 lbs (4 491 kg)
Axle Ratio Maximum Trailer Weight
4.10 10,300 lbs (4 672 kg)
3.73 12,000 lbs (5 443 kg)
4.10 12,000 lbs (5 443 kg)
3.73 12,000 lbs (5 443 kg)
GCWR
16,000 lbs (7 257 kg)
20,000 lbs (9 072 kg)
22,000 lbs (9 979 kg)
22,000 lbs (9 979 kg)
GCWR
14,000 lbs (6 350 kg)
16,000 lbs (7 257 kg)
GCWR
16,000 lbs (7 257 kg)
20,000 lbs (9 072 kg)
22,000 lbs (9 979 kg)
22,000 lbs (9 979 kg)
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