Big Boy PST-641D
Medium duty antenna rotator, handling up to 1.2 square meters of antenna windload. Worm-wheel technology irreversible under mast torque. High braking torque resistance, 5500 Kg/cm (55 Nm). 1000 kg/cm (10 Nm) of rotating torque.
Big Boy PST-2051D
Medium to heavy duty antenna rotator, handling up to 2.5 square meter of antenna windload. Worm-wheel technology irreversible under mast torque. High torque resistance 1260 Nm. High starting torque 20 Nm.
Big Boy PST-61D
Extra heavy duty antenna rotator, handling up to 4.1 square meters of antenna windload. Perfect for low bands full size yagi antenna, multistack arrays, etc. Double worm-wheel technology irreversible under mast torque. Large 28 mm output shaft diameter, no sweep no backlash.
Big Boy PST-71D
Extremely heavy duty antenna rotator, handling up to 8.8 square meters of antenna windload. Perfect for low bands full size yagi antenna, multistack arrays, etc. Double worm wheel technology irreversible under mast torque. Large 38 mm output shaft diameter, no sweep no backlash.
Big Boy PST-110D
Extremely heavy duty antenna rotator, handling up to 13 square meters of antenna windload. Perfect for low bands full size yagi antenna, multistack arrays, etc. Double worm wheel technology irreversible under mast torque. Large 42 mm output shaft diameter, no sweep no backlash.