Remanufactured from Weller, the Eaton ESO66-7B transmission delivers 7 forward speeds, dependable power transfer, and smooth operation for medium-duty trucking applications. Built to OEM Eaton standards, this model is designed for long-lasting durability, fuel efficiency, and reliable performance under demanding conditions. With Weller’s precision remanufacturing process, the ESO66-7B helps fleets reduce downtime, lower maintenance costs, and maintain consistent productivity mile after mile.