A roll coater assembly system for application of a fluid material having a transport system with a part loading system, an application system, and a curing system for curing the material applied. The transport system is a continuous conveyor having a plurality of work stations movably supporting and transporting items to be processed to the application systems and curing systems, with the conveyors of the transport and loading systems having a single drive mechanism which operates both of the conveyors, such that the cylindrical items are provided to circumferentially located stations within and surrounding a cylindrical wheel of the part loading system which rotates to engage and move the cylindrical items into and out of the stations of the cylindrical wheel about a central axis of the cylindrical wheel and into the transport system conveyor by movement of the drive mechanism and respective conveyor synchronized by a control system.