Remanufactured from Weller, the Allison AT542N transmission delivers smooth shifting, dependable power transfer, and long-lasting durability for medium-duty trucks, buses, and vocational applications. Built to OEM Allison standards, this model features multiple forward speeds, a hydraulically controlled design, and rugged construction engineered for consistent performance under demanding conditions. With Weller’s precision remanufacturing process, the AT542N helps fleets reduce downtime, lower maintenance costs, and maintain reliable operation mile after mile.