A 3-axle vehicle with a 2-axle drive tandem capable of drawing a gross weight of up to 120,000 pounds; maximum of 20,000 pounds on steering axle and 48,000 pounds on tandem.
A 3-axle tandem semitrailer that, together with a truck tractor, will support and move a gross weight of 120,000 pounds; maximum of 60,000 pounds on tandem.
A 2-axle tandem semitrailer that, together with a truck tractor, will support and move a gross weight of 100,000 pounds; maximum of 48,000 pounds on tandem.
A 4-axle vehicle; 76,000 pounds gross weight; maximums of 34,000 pounds on one tandem and 44,000 pounds on the other; wheelbase 23 feet or more; not more than 12 feet wide; not over 60 feet long; not more than 15 feet high.
3-axle vehicle; 68,000 pounds gross weight; 20,000 pounds on steering axle and 48,000 pounds on tandem; wheelbase 18 feet or more; no more than 12 feet wide; not over 60 feet long; not more than 15 feet high.
Ill. Admin. Code tit. 92, § 554.112
Amended at 32 Ill. Reg. 18030, effective November 7, 2008