If you live in mountainous, snowy, or icy areas, then you may drive a vehicle with 4-wheel drive capabilities. Your 4-wheel drive car or truck may also have 2-wheel drive capability. If it does, then it may contain a part called a transfer case.
Transfer cases are specialized torque converting devices that attach to regular transmissions. When engaged, these devices can convert 2-wheel drive to 4-wheel drive, and vice versa. Many transfer cases also have the ability to run in high-mode or low-mode.
Low-gear ranges allow the transfer case to enhance the torque coming from the main...
