The PV Series Planetary gear head combines Power and Versatility with its wide combination of competitive output faces, high radial load capacities and maintenance free operation. The PV series is available in four metric/NEMA frame sizes and a large offering of ratios. Whether you%u2019re an OEM or an end user searching for competitive alternatives the PV offers a superior solution. Manufactured in the USA, Parker Bayside%u2019s PV series gearbox is universally the only choice.