The Van der Graaf drum motor is a one component conveyor drive in which all moving parts are enclosed inside the drum. As the leading global supplier, Van der Graaf has proven to be highly intuitive in projecting and reacting to changing market demands. Their New Extreme Duty Mining Series incorporates the benefits of a tried and tested drum motor with an increase in power and capacity, providing a less complex, completely reliable, and virtually maintenance-free belt drive solution.