The TransDyno SF-66K advantage? Its unique modular design, which allows you to purchase only the equipment you need for your specific transmission testing operation. The basic unit comes with operator console, input drive, transmission support and at least one power absorption unit (PAU). So, if your operation strictly tests inline transmissions in a test cell, all you need is, the console, an input drive base unit and a single power absorption unit. To handle front-wheel drive (FWD) and all-wheel drive (AWD) transmission work, you simply add power absorber modules as needed.