The McCormick 6678278A1 Alternator is a genuine OEM replacement part designed to provide reliable electrical power for a range of McCormick and Landini agricultural tractors. This high-performance alternator delivers 12 volts and 150 amps, ensuring optimal charging for the vehicle's battery and electrical systems. It is compatible with McCormick X4, X5, X6, X7, and X8 series tractors, as well as various Landini 4, 5, 6, 7, and 8 series models. This essential component ensures consistent power generation for critical tractor functions.