The Tractor-Trailer Combination Guide
A tractor-trailer combination is an articulated vehicle that combines a semi-truck, with or without a sleeper, and a semi-trailer. More on each below.
The tractor-trailer combination is the most popular type of commercial vehicle used for long-haul freight transportation because its articulated vehicle configuration provides shippers with a wide spectrum of hauling options.
Compared to its counterpart vehicle category, the main difference between straight trucks and tractor-trailers is their vehicle configuration type.
Below, find information about tractor-trailers

The biggest truck sleeper cabs in the world - find out video reviews of some on the largest sleeper cabs.
The inside of a semi-truck sleeper cab layout - find out what is the inside layout of a modern sleeper cab.
Truck sleeper cab accessories - find out what accessories you may need to improve your sleeper cab comfort.

The Weight per Axle Distribution in a 53' Tractor-Trailer - find out the correct weight distribution per axle on a semi-trailer.
Semi-Trailer Dimensions - find out the dimensions of different types of semi-trailers.
Popular Types of Semi-Trailers - find out the most used types of semi-trailers.

Best-Selling Semi-Truck Brands in the US - find out a list of popular semi-truck manufacturers.
What Is a Bobtail Truck Mean? - find out what is the meaning of bobtail in trucking.
Semi-Truck Classification by Weight - Find out how are semi-trucks classified by their weight.