Remanufactured from Weller, the Eaton FS4205A transmission delivers 5 forward speeds, dependable power transfer, and smooth performance for medium-duty trucking applications. Built to OEM Eaton standards, this model is engineered for durability, fuel efficiency, and long-term reliability under demanding operating conditions. With Weller’s precision remanufacturing process, the FS4205A helps fleets minimize downtime, lower maintenance costs, and maintain consistent productivity mile after mile.