The KUHN FC 3561 TCD RA center-pivot trailed disc mower conditioner with windrow merger sets a new level of reliability and durability in the market. The trailed machine incorporates the heavy-duty lubed-for-life Optidisc® Elite cutterbar utilizing a through-bolted design. The ability to vary conditioning intensity to match harvesting windows is assured with the use of the 2-speed DigiDry® finger conditioner. Operators have the ability to lay the windrow out wide like a standard machine or merge the windrow to either side with the rear mounted foldable windrow merging system providing more diversity in windrow placement.