New variable speed drive pulleys, pressure roller, drum drive shaft, pressure roller shaft, hopper, new style door, pneumatic control manifold, door cover, electrical panel cover, drum locking ring, carriage plates, variable speed linear actuator, drum support ring, all bearings and seals, hydraulic pressure roller door cylinder, sheetmetal covers to upgrade to new style pressure roller assembly, blade holder mounting shaft, rear belt guard, variable speed v-belt, magnetic safety controller and operator control box.