1998 GMC Suburban Owner's Manual - Page 241

Vehicle Engine 5.7L Axle Ratio 3.73 4.10 Max. Trailer Wt. 6.000 Ibs. (2 724 kg) 7,500 lbs. ( 3 405 kg) 6.5L Diesel 3.73 6,500 Ibs. (2 95 1 kg) 8,000 lbs. (3 632 kg) 8,500 Ibs. (3 859 kg) 10,000 Ibs. (4 540 kg) 7,000 Ibs. (3 178 kg) 4.10 7.4L 3.73 4.10 K-2500 (4WD) Suburban 5.7L 6.SL Diesel 4.10 3.73 6,000 Ibs. (2 724 kg) 7,500 lbs. (3 40.5 kg) 4.10 7.4L 3.73 4.10 8,000 lbs. (3 632 kg) 10,000 Ibs. (4 540 kg) 4-49