Nadorp and Tam Gearboxes We specializing in all automatic gearbox and manual. we do gearbox diagnostic, services, repairs, torque converter, One-year quality warranty on all repairs., We are one of the South African gearbox company that is leading in the gearbox industry. We are a quality approved Member of the RMI, Automatic gearbox Repairs: we are specializing in repairing and remanufacturing any type of automatic vehicle gearbox.we offer engineering facility and the best technology available in order to diagnose your gearbox and repairs it perfect.