Remanufactured from Weller, the Eaton FSO8406A transmission delivers 6 forward speeds, dependable power transfer, and smooth operation for medium-duty trucking applications. Built to OEM Eaton standards, this model is engineered for long-lasting durability, improved fuel efficiency, and reliable performance under demanding conditions. With Weller’s precision remanufacturing process, the FSO8406A helps fleets minimize downtime, reduce maintenance costs, and maintain consistent productivity mile after mile.