Winch tractors include an array of important components. First, the winch tractor includes the truck itself. This includes the truck cab and all the standard components. Depending on the type of winch truck, the vehicle will also include an attached trailer or a flatbed. The most important component of a winch tractor is, of course, the winch itself. The winch is a device that can be used to pull in or let out the winch’s cable. Originally, a winch was as simple as a spool of rope with a mechanical hand crank. Today, modern winch tractors are much more complex. These winches include gear assemblies and are powered by electric, hydraulic, or even internal combustion drives. Modern winches also contain additional safety features such as a solenoid brake or a ratchet and pawl mechanism. These devices ensure that the winch does not unwind during transportation.