Todays modern rigs keep getting larger, and more powerful allowing some to pull in excess of 100,000 pounds. In the United States, the legal maximum weight is 40 tons, or 80,000 pounds. Larger loads require special permits.
In the US, unless otherwise permitted, 80,000 lbs.
34,000 on both the drives and tandems... 12,000 on the steers, with a gross weight of 80,000
80,000 lbs. is the maximum legal Gross Vehicle Weight according to the federal regulations without requiring a permit. Some states have higher weight tolerances grandfathered in.
Average weight of a road tractor and 53' dry van trailer is around 38,000 lbs. The Loaded weight is 80,000 lbs which is the legal maximum weight for a standard 5 axle tractor trailer.
I'm not sure what a semi-trailer is, but I would imagine a tow truck could help with your problem.
Daycab Semi trucks can range in size from 2 tons to 6 tons maximum.
A refridgerated truck can haul 42,500-44,500lbs of good depending on how heavy the rig is. The truck can gross 80,000 total.
69,500 pounds
truck and trailer 35000 pounds.
17,000 - 20,000 lbs.
Semi-truck tires can weigh up to 110 pounds. The tires for passenger cars have an average weight of 22 pounds, and tires for light-weight trucks average around 35 pounds.
Maximum Overdrive (1986), based on the Stephen King short story "Trucks"