Remanufactured from Weller, the ZF AS-Tronic 12AS2302 Astronic automatic transmission delivers smooth operation, high torque capacity, and proven durability for heavy duty trucks and special vehicles. Built to OEM ZF standards, this model supports up to 2300 Nm of input torque and comes cooler-ready, designed for demanding duty cycles, highway haul, or mixed applications. With its 12 forward gears, intelligent shift logic, and optimized gear spacing, the 12AS2302 helps reduce fuel consumption, minimize maintenance, and extend uptime for fleets that need reliable performance under load.