This genuine AGCO 3909794M1 alternator is a high-quality 12V 120A replacement part designed for Fendt Vario series tractors. It provides efficient and reliable electrical power generation, crucial for optimal machine performance. Confirmed fitment for Fendt 300, 500, 700, 800, 900, and 1000 Vario models. This part weighs approximately 5.7 kg and is an essential component for maintaining your tractor's electrical system. It replaces Valeo 440237 and 439600.