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Assuming you're referring to a 53' semi trailer, 41,000 - 43,000 lbs. for an 80k combination is typical.
14,000 lbs
46-48 depending on the trimuck n trailer..wabash is 1.5k lighter. Dan great dane
96 inches.
semi trailer can be loaded up to 45000 lbs if its 53" long 13.6 high and 102 wide
1375
You call it a semi because it pulls a semi trailer.A semi is a type of trailer. A semi-trailer, as opposed to a full trailer, means it only has axles at the rear of the trailer and a full trailer has axles at the front and rear of the trailer. We call these in the UK "drags", as in wagon and drag, where the wagon that pulls the drag can carry a load on its own, whereas the semi-trailer truck, or tractor unit cannot carry anything without a trailer.
The total square footage inside a 53 foot semi trailer is about 3,400 square feet. This space can only be fully occupied if the semi truck and trailer weight combined is 80,000 pounds or less. Federal law regulates how much a loaded semi truck and trailer can weigh. There are also limits on axle weight to arrive at this total. It is 12,000 for steer tires, 34,000 for drives, and 34,000 for tandem axles.
The load on the king pin on a semi trailer can be calculated by weighing the vehicle. When weighing the vehicle on a certified scale, the steers (front tires), drives (the two axles on the semi cab) and the tandems (the two axles on the trailer) are all weighed separately as a part of the whole weight. The king pin weight is the weight of the drives.
semi trailer can be loaded up to 45000 lbs if its 53" long 13.6 high and 102 wide
A semi trailer costs over $100,000.
A typical conventional tractor with full tanks of fuel and typical driver weighs about 20,000#. A typical empty 53' foot trailer is about 13,000# for a total of 33,000#. this allows 47,000# of freight. A 48' is about 1,000 pounds lighter and you can load about 48,000 pounds of freight on it.