KRONE center delivery rotary rakes – the most comprehensive offer on the market. The KRONE Swadro TC line-up of rotary rakes offers the largest choice of center delivery rakes in the market. Choose from an enormous variety of models and options – from the entry model, the Swadro TC 640 twin rotor rake as the best option for small and hilly fields, to the unique six-rotor unit, the Swadro 2000 that offers maximum efficiency and capacity.