6.5 " foot Baker Monitor Windmill Gearbox WB21B with hub . ans stub tower and bars. made in Evansville Wisconsin. Don't know anything about the Gearbox but its free. still the brake mechanism. . it is free not locked up. Case isn't broken. Condition is Used.. shipping is FedEx freight 300 $ will need your zip code to estimate shipping costs. cheaper if u can pick up at a FedEx dock..