Home / Rotors / Rotor Drive, Coupling Rotor Drive, Coupling Application: 1640, 1644, 1660, 1666, 1670, 1680, 1688, 2144, 2166, 2188, 2344, 2366, 2377, 2388, 2577, 2588 Weight: 15 lb / 6.46 kg Item Nr.: WN-1345307C1 Category: Rotors Related products Beater, Assembly, Discharge Blade Concave, Wide Spaced Rotor Bar, Kicker Plate Concave, Wide Spaced, Front