Drive shafts are an essential component of any vehicle's drivetrain system. They transmit power from the engine to the wheels, allowing the vehicle to move. There are several synonyms for drive shaft, including propeller shaft, cardan shaft, and transmission shaft. A propeller shaft is typically used in boats and large vehicles, while a cardan shaft is commonly found in trucks and SUVs. The term transmission shaft refers specifically to the segment of the drive shaft that connects the transmission to the rear axle. No matter the name used, each synonym refers to the same important mechanism, allowing any vehicle to translate the power of the engine into motion.