GMC 2001 Sierra 1500 Pickup Owner's Manual page 290

-
K 2500 Crew Cab Short Box HD (4WD)*
Engine Axle
Ratio
6000 V8 4.10
8100 V8 3.73
4.10
6600 V8 Diesel 3.73
4.10
-
* Weight distributing hitch tongue weight 10% to 15% of trailer weight 1,200 lb. (544 kg) maximum.
-
Fifth wheel hitch tongue weight 15% to 25% of trailer weight 2,500 lb. (1 134 kg) maximum.
-
** Fifth wheel hitch rating; weight distributing hitch rating is limited to 12,000 lbs. (5 443 kg) maximum.
4-68
Max. Trailer Wt.
10,000 lbs. (4 536 kg)
13,200 lbs. (5 987 kg)**
15,200 lbs. (6 895 kg)**
15,200 lbs. (6 895 kg)**
15,200 lbs. (6 895 kg)**
-
K 2500 Crew Cab Long Box HD (4WD)*
Engine Axle
Ratio
6000 V8 4.10
8100 V8 3.73
4.10
6600 V8 Diesel 3.73
4.10
Max. Trailer Wt.
9,900 lbs. (4 491 kg)
13,200 lbs. (5 987 kg)**
15,200 lbs. (6 895 kg)**
15,100 lbs. (6 849 kg)**
15,100 lbs. (6 849 kg)**